The Best Custom Software Developers

List of the Best Custom Software Developers

Looking for a top custom software developers?

Software developers own the process of transforming data into an organized structure for a product such as a mobile app or website. As you tackle complex development projects to grow your business, you'll need the right partner for your needs.

That's why we've created this list of the best software development companies for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.

  • 1

    Altar.io

    Altar.io is a product and software development company based in Lisbon, London, and Milan. Founded in 2015, the team of 20 provides end-to-end IT services in web, mobile, and cloud. They also provide UX/UI design, development, and software deployment. They are cross-industry, with a specialty in fintech and work with companies of all sizes.

     

    Notable Project

    Using AngularJS and IBM LoopBack, Altar.io worked on an MVP for a fintech company. They developed the frontend of a working application to integrate with an existing backend. They created the UX and frontend design.

    “They deliver on their promises and to start projects exceptionally quickly. They put together a delivery team in no time." – CEO, Fintech Company

    Former clients
    Apiax
    AlixPartners
    QuartalFS
    Audio Test Kitchen
    McKinsey & Co.
    Legartis
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Lisboa, Portugal
    4.9
    4.9
    10 Clutch reviews
  • 2

    DCSL Software

    DCSL Software is a development company based in London and has an additional office in Hampshire, England. Founded in 1994, the team of over 100 has expertise in custom software development, mobile app development, and web development.

    Notable Project

    DCSL Software redeveloped the recruitment software system of a construction firm. The firm laid out what they wanted and DCSL designed, tested, and delivered on the system. The client was pleased with the project and felt that DCSL's skills made the collaboration extremely easy. 

    "We were able to see straightaway how the system would look and work. That’s another reason it went so smoothly." – Manager, Support Department, Construction Firm

    Former clients
    Mitsubishi
    Hospify
    Skanska
    Water Aid
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.9
    4.9
    35 Clutch reviews
    Awards

    UK IT Industry Awards: Winner, Organisational Excellence (2018) , Inspire Awards: Business of the Year – Winner (2018) , National Business Awards: The Vonage Nexmo Business Enabler of the Year – Finalist (2017) , Inspire Awards: Entrepreneur of the Year Award – Winner (2016) , 96.4 Eagle Biz Awards: Business of the Year – Winner (2016) , 96.4 Eagle Biz Awards: Entrepreneur of the Year – Winner (2016)

  • 3

    Zibtek

    Zibtek is full-stack development digital agency based in Draper, Utah. Services include mobile development, digital marketing, and custom software development. They were founded in 2009 and have more than 250 employees that serve a variety of clients, but mostly the healthcare and financial services sectors. 

    Notable Project

    Zibtek completed development on a rudimentary streaming sports platform. The launched tool includes user-contributed content. The team has been able to expand the service beyond the local market. 

    "They're very professional and understand my needs. I have a high level of confidence in them." – CEO, Sports Streaming Service

    Former clients
    Adobe
    Princeton Review
    Chegg
    Finworx
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Draper, UT
    4.8
    4.8
    17 Clutch reviews
  • 4

    MojoTech

    MojoTech is a full-service mobile, web, and custom software developer with headquarters in Providence, RI and offices in Boulder, New York, and Washington D.C. Since 2008, the 10+ team has offered clients of all sizes a comprehensive and results-driven approach to digital success.

    Notable Project

    As part of an ongoing partnership, MojoTech prototyped a flagship product and designed the UX, excelling in both the visual and UX design. The client was very happy with MojoTech, from the in-depth discovery process to the responsive workflow to the “execution-oriented” project management.

    “We highly recommend them. They’re a great team. They always underpromise and over-deliver.” – Senior VP of Products, Event Registration Platform

    Former clients
    Aetna
    Blue Cross Blue Shield
    TeeSpring
    United Way
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Providence, RI
    5.0
    5.0
    9 Clutch reviews
    Awards

    Tech10 Award 2016 for Company Innovation , Tech10 Award 2016 for Company Innovation , Providence Business News: CTO of the Year 2016, Best Place to Work 2016, Best Place to Work 2015, Fastest Growing Companies 2015 , Inc. 5000 in 2014 , Inc. 5000 #2 Top Rhode Island Companies 2013 , Gartner Cool Vendor 2013 , Forbes America's Most Promising Company

  • 5

    Goji Labs

    Goji Labs is a Los Angeles-based boutique software consultancy. They were founded in 2014 and have a team of three employees who specialize in web, mobile app, and IoT development.

    Notable Project

    Goji Labs developed a framework for a childcare management software platform. The foundation the team developed provided long-term support for the client's software. The client was impressed with their work.

    "They were phenomenal at guiding us through the implementation process. It always seemed as if they were ahead of schedule. Their team integrated with all of our systems, which made communication fast and simple...Every company in need of an outsourced developer should contact Goji Labs immediately." – CEO, Software Platform

    Former clients
    Boon
    Kangaroo Time
    DayPoint
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Los Angeles, CA
    5.0
    5.0
    30 Clutch reviews
  • 6

    Saritasa

    Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

    Notable Project

    A sporting goods brand partnered with Saritasa to develop a web application to manage hundreds of professional contracts with minor and major league baseball players. They had a system in place, but it was outdated. The new solution kept valuable features from the legacy platform, then integrated more responsive functionalities. Saritasa consistently showed patience and strong technical skills.

    “They were patient with me trying to explain features I wanted, or trying to understand different technical aspects of the project.” – Vice President, Sporting Goods Firm

    Former clients
    iHeartMedia
    Android Music
    St. Jude Medical
    Fantasy Suite
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Newport Beach, CA
    4.8
    4.8
    31 Clutch reviews
  • 7

    iTechArt Group

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 1600+ engineers with experience in all of the latest technologies.

    Notable Project

    iTechArt Group is assisting with the development of a content management software for video advertisements. The team is building the system to accommodate multiple social media platforms like YouTube and Facebook.

    “The engagement has been very successful overall thus far. The work we've been able to quickly launch wouldn't have been possible without iTechArt's help. In addition to the quality of their code, they've also integrated extremely well into our team, adapting to our internal processes relatively seamlessly.” – Founder & CTO, Software Consulting Agency

    Former clients
    ClassPass
    Forex.com
    Merkle
    ZEFR
    BuildingLink
    $ $ $ $ $
    equalizer $25,000+
    group1,000 - 9,999 Employees
    place New York, NY
    4.9
    4.9
    29 Clutch reviews
    Awards

    American Business Awards: Bronze Stevie Winner (2019) , Inc. 5000: 2018, 2019

  • 8

    Spiral Scout

    Spiral Scout is a design and development agency based in San Francisco with a Belarus office. Since 2010, the team of about 20 has provided expertise in web design, web development, custom software development and e-commerce development. Spiral Scout works with various industries including retail, education, and arts & entertainment.

    Notable Project

    Spiral Scout managed a demo automation platform's entire development process. They built out new features on the platform to help the client meet needs of its bigger clients. They were able to reduce client spend while maintaining quality. 

    "Their performance has been top-notch despite the challenge of taking over legacy code written by someone else." – VP of Operations, Demo Automation Platform

     

    Former clients
    Coca-Cola
    P&G
    Benchmark Education
    Off the Menu
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place San Francisco, CA
    4.9
    4.9
    24 Clutch reviews
  • 9

    DockYard

    Founded in 2010, DockYard is a digital product agency in Boston that focuses on custom software, mobile and web app design and development. DockYard caters to startups, mid-market, and enterprise clients nationwide and also offer UX, staff augmentation, and training. Their 80-person team develops using Ember, Elixir, and Phoenix. 

    Notable Project

    Dockyard developed a web app for an e-learning company, from front-end development to visual design to implementation. Their work ethic, creativity, collaboration, and overall dedication to a quality product was evident to the client.

    "In talking with DockYard, we found them to be brilliant. That's one of the real strengths of DockYard. … They're a major player in the development community in Boston and the East Coast. Their reputation is amazing in terms of the contributions they make to the community." – Former Sr. Software Engineer, E-learning Provider

    Former clients
    Apple
    Nasdaq
    Netflix
    ZipCar
    McGraw-Hill
    $ $ $ $ $
    equalizer $100,000+
    group50 - 249 Employees
    place Hingham, MA
    5.0
    5.0
    7 Clutch reviews
  • 10

    Syberry

    Syberry is a custom software development company of 65 employees, founded in 2011. Their headquarters is in Austin, Texas, with other locations in Warsaw, Poland, Minsk, Belarus, and New York. They offer services in custom software development, and application management and support.

    Notable Project

    Syberry developed a large, complex .NET application for a marketing agency. The client provided the blueprints, and Syberry built a multi-faceted application with a .NET backend. They also implemented numerous dependencies and third-party integrations. The client praised their high-quality work.

    “The most impressive things about Syberry were their attention to detail and communication style.” – CEO, Marketing Agency
     

    Former clients
    The Walt Disney Company
    THG Energy Solutions
    Livestream
    PayPal
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place Austin, TX
    5.0
    5.0
    11 Clutch reviews
  • 11

    Gecko Dynamics

    Gecko Dynamics is a web and software development company that was founded in 2002. The company has a team of 11 located in its Krakow, Poland headquarters and Vancouver, Canada office. Gecko Dynamics specializes in custom software development, web development, and mobile app development for companies of all sizes. 

    Notable Project

    A market research company needed a new platform for processing data. Gecko Dynamics built a custom platform that processed data as the client needed while also being user-friendly and visually appealing.

    "They [Gecko Dynamics] were passionate about the work, which isn't always the case when outsourcing. [They] demonstrated a greater understanding of our mission than other companies had shown in the past." - President, Market Research Firm

    Former clients
    Air Canada
    Nokia
    Cinepolis
    Jonas Software
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Cracow, Poland
    4.9
    4.9
    13 Clutch reviews
  • 12

    Xfive

    Xfive is a full-stack software house in Krakow, Poland that serves businesses, startups, and creative agencies. Its team of around 50 has delivered web & mobile apps, websites, and e-commerce solutions since 2005 to its clients. 

    Notable Project

    A brand development agency hired Xfive in order to work on various web development projects. Xfive began the partnership by converting the client's PSD based website into an HTML format. The firm then used WordPress to develop a new site with e-commerce capabilities for the client. Xfive used Magento and WooCommerce in order to build the e-commerce capable website. Xfive has also worked on other Drupal-based development projects for the client. The client was impressed with the skill and flexibility that the team at Xfive showed throughout the project. 

    "Team flexibility based on project demand was very impressive, especially when only given short notice. Expertise with a wide variety of technologies has been another strength because it’s expanded the scope of inbound projects. " – Partner, Brand Development Agency 

    Former clients
    Twitter
    Ebay
    Microsoft
    Threadless
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place Krakow, Poland
    4.9
    4.9
    15 Clutch reviews
  • 13

    Integrio Systems

    Integrio Systems is a custom software development and artificial intelligence company based in Vancouver, Canada. Founded in 2000, this company has over 30 employees. Services offered by Integrio Systems include custom software, AI, and web development for businesses of all sizes.

    Notable Project

    Integrio Systems provided software development for a personal training platform. They created an SaaS solution which allowed various fitness studios operating on the platform to manage their schedules and payments more easily. The client's company was acquired by a major software corporation as a result of the work undertaken by Integrio Systems.

    "The biggest evidence of our success is that we were acquired by a large software company. The other company was interested in us in large part because of the software that Integrio Systems helped develop." - Former Co-Founder, Personal Training Platform

    Former clients
    Air Canada
    Cinepolis
    Cam Tran
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Vancouver, Canada
    4.9
    4.9
    6 Clutch reviews
  • 14

    Diceus

    Diceus is a software engineering company headquartered in Kyiv, Ukraine, with offices also in Dubai, New York, and Vilnius, Lithuania. Founded in 2011, they have about 119 employees that do web and custom software development. Clients are mostly small and midmarket businesses in the real estate, healtchare, financial services, and advertising and marketing sectors. 

    Notable Project

    Diceus developed a suite of cloud-based products using C#, ASP.NET, and Azure. They provided QA and third-party project management. The partnership resulted in 25% annual growth.

    "They’re a good provider, and the company is still young and hungry. As such, it can be very accommodating and easy to work with them. " – Managing Director, Software Provider

    Former clients
    BriteCore
    NextCom
    TeamBase
    Total Image Group
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place Kyiv, Ukraine
    4.8
    4.8
    24 Clutch reviews
  • 15

    AccelOne

    AccelOne is a software development company based in Kirkland, Wash. with offices in Buenos Aires, Argentina. Founded in 2013, AccelOne's team of 25 employees provides custom software development, mobile app development, and UX/UI design services.

    Notable Project

    AccelOne worked with a publishing company to assist with a series of technical projects. They began with a cloud software migration, continued with a proof of concept Salesforce tool, and ended with a complete Salesforce CRM implementation. AccelOne's developers used Angular.js to coordinate the API integration with the client's subscription management system.

    "The feedback on the web app has been positive, a result of making membership services more readily available online." — CEO, Publishing Company

    Former clients
    Oreo
    Turner
    Bridge Patient Portal
    Nike
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Kirkland, WA
    4.9
    4.9
    8 Clutch reviews
  • 16

    Highland Solutions

    Highland Solutions is a digital experience agency based in Chicago. Founded in 1999, the team of about 30 specializes in product strategy, UX/UI design, and custom software development. They work primarily with midmarket to enterprise clients, mainly in the healthcare, financial services, and nonprofit sectors.

    Notable Project

    Highland Studios provided market testing and prototype design for a mission-driven financial services organization. They contributed from the ideation stage to the development stage of the prototype based on market research.

    “We captured key learnings to carry forward in our process. Highland Solutions were critical in finding these results and we now better understand how to continue with our ideas for our products and services.” – VP of Business Solutions, Thrivent Financial 

    Former clients
    Cigna
    Make-A-Wish
    American Marketing Association
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Chicago, IL
    4.9
    4.9
    22 Clutch reviews
    Awards

    Clutch Leader Award (2018, 2019, 2020), Built In Chicago Best Place's to Work (2019), Inc. 5000 (2015)

  • 17

    EffectiveSoft

    EffectiveSoft is a software development company with more than 20 years of professional experience and 300+ employees. Their key competence in recent years has been dedicated to fintech and healthcare. They are headquartered in San Diego and have offices in London, West Burlington, Mass., and Minsk, from which they offer both a local and offshore presence. 

    Notable Project

    EffectiveSoft developed a customer ERP platform for a pool and spa manufacturer. The team used .NET to ensure the system's compatibility with their Microsoft-based operations. The finished product was high-quality and cost-effective.

    "The estimations given to us were precise and the quality of work is very good. They have solid expertise in terms of database development and business application design." – IT Director, US Manufacturing Firm

    Former clients
    IKEA
    Acronis
    City Index Group
    Nissin Foods
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place San Diego, CA
    4.8
    4.8
    7 Clutch reviews
  • 18

    Baytech Consulting

    Baytech Consulting is a software development company headquartered in Irvine, Calif., that was founded in 2007. The company has 8 people, and they mainly provide custom software development and web development services. 
     

    Notable Project

    Baytech Consulting provided database and mapping development for a real estate company. They created a database for the client that would allow them to process the demographic and income data of their tenants. Since the company developed the software, the client has seen a great ROI, and they have been able to work more efficiently. 
     

    “We have three employees in our office, and with the new system, we can handle the workflow that would normally take dozens of people to manage. The return on the financial investment that we've made is more than tenfold.” — Director, Real Estate Company
     

    Former clients
    MedData
    Ralis Services Corp
    Animodus
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Irvine, CA
    5.0
    5.0
    6 Clutch reviews
  • 19

    SingleMind

    With over 14 years of experience, SingleMind is an award-winning design and development agency in Oregon. The team of around 20 offers mobile and web app development, user experience (UX) design, systems engineering, and other development specializations: IoT, e-commerce, and custom software. 

    Notable Project

    SingleMind developed a web app for a smart data company that emphasizes graphical displays and enables two core functions. The product is unique in the enterprise software space, and the client was impressed in their project management and development skills. 

    “SingleMind has a good understanding of the whole process from ideation to implementation and beyond. They’re able to take our ideas and turn them into functioning code. ” – CEO, Smart Data Company

    Former clients
    Portland State University
    Intel
    Kaiser Permanente
    OTTO
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Lake Oswego, OR
    4.8
    4.8
    13 Clutch reviews
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  • 20

    Fingent

    Headquartered in White Plains, N.Y., Fingent Corp is a web and mobile development services provider with additional offices in Dubai and India. The team of under 250 employees specializes in web development and custom software development for mid-market and enterprise firms. 

    Notable Project

    Fingent developed a mobile and web app that measures the talent of college athletic recruits. The goal of the app was to help high school athletes with college admissions by helping recruiters easily identify their skills. The initial feedback of the app was positive and several college coaches have shown interest in using it.  

    "Deliverables were timely and completed in a highly professional manner. The project manager was fantastic. I never had to ask for anything twice. I have nothing but the highest regard for them." – Founder, Sports Tracking Company

    Former clients
    Sony
    University of North Carolina
    CBN
    Johnson & Johnson
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place White Plains, NY
    4.9
    4.9
    33 Clutch reviews
    Awards

    Top App Creators: Top Mobile App Development Companies (2017)

  • 21

    Atomic Object

    Michigan-based software development company Atomic Objects serve clients around the world. The team of over 60 and has been creating custom products for web and mobile since being founded in 2001.

    Notable Project

    Atomic Object created an iPad app for a drug testing administration. The app stored data from athlete drug-testing. They handled development from beginning to end, with constant input from the client.

    “Atomic Object exhibited similar traits as our company. They were about the same size and had a wealth of experience based on past projects. We liked their leadership team and loved their presentation. … They took the time to understand who we were.” – CEO, Drug Testing Administrator

    Former clients
    ArtPrize
    Priority Health
    John Deere
    $ $ $ $ $
    equalizer

    Undisclosed

    group50 - 249 Employees
    place Grand Rapids, MI
    4.9
    4.9
    14 Clutch reviews
    Awards

    Michigan 50 Companies to Watch (2010) , Inc 5000 (2010) , When Work Works: Outstanding Workplace Culture (2016)

  • 22

    Spire Digital

    Spire Digital is a Denver, CO-based digital product development company. The team of more than 50 employees specializes in custom software development, UX/UI design, web development, and app development.

    Notable Project

    Spire Digital developed a minimum viable product (MVP) – a web app – for a freelance recruitment platform. The client and Spire Digital created the concept, and Spire Digital provided user experience design, app development, and quality assurance. Spire Digital has worked with the company on and off for 15 years.

    “Spire Digital has a tier of resources that are highly strategic. Beyond just taking our concepts and our ideas and executing, they’re actually highly strategic on the frontend … [and provide] pushback.” – Managing Director, Recruitment Company

    Former clients
    Lockheed Martin
    Coors
    USDA
    Dish Network
    $ $ $ $ $
    equalizer

    Undisclosed

    group1,000 - 9,999 Employees
    place Denver, CO
    4.9
    4.9
    29 Clutch reviews
    Awards

    Inc. 5000: Fastest Growing Companies in America (2016) , Denver Business Journal: Colorado’s Top Web Development Firm (2016) , Creativity International Award: Interactive Design (2016)

  • 23

    Praxent

    Since 2000, Praxent has launched over 300 unique software products. The team of 30+ is based in Austin, TX, and has experience working with small, mid-market, and large clients on their software development, web development, and mobile app development needs.

    Notable Project

    Using WordPress, Praxent designed an informational website for a public university's academic department. Praxent created a fresh-looking website that was easier to navigate. Praxent met every deadline and stayed on budget.

    "I was very impressed by the level of attention they [Praxent] devoted to us. I know they have bigger clients with bigger budgets, but they worked hard to deliver our project on time." – Faculty Director, Public University

    Former clients
    Keller Williams
    Cisco
    World Market
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Austin, TX
    4.8
    4.8
    41 Clutch reviews
  • 24

    Itransition

    Founded in 1998 outside Denver, CO, Itransition now has an office in Austin, TX, as well as the UK and Belarus. They bring their 20 years experience and 1500+ person team to the table for custom software development, web development, and e-commerce development.

    Notable Project

    Itransition was hired by another development firm to collaborate on a project for a tourism company. They migrated 44 websites into one e-commerce platform, Magento.

    “They have a good talent pool; they’ve been able to find the right individuals. Everyone they have found who has worked with us has approached the project as though they understand the bigger picture. They’re not just coding for a paycheck.” – Director, Development Company

    Former clients
    Adidas
    Pepsico
    Toyota
    PayPal
    Xerox
    $ $ $ $ $
    equalizer $10,000+
    group1,000 - 9,999 Employees
    place Denver, CO
    4.9
    4.9
    24 Clutch reviews
    Awards

    Inc. 5000 , Deloitte Technology Fast 500 , IAOP Global Outsourcing 100 , Softwaremag.com 500

  • 25

    The Software House

    Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects. 

    Notable Project

    The Software House developed booking software for an airport transportation company. The system, to which they added an admin panel, automated operations and determined the most efficient routes to the airport and expanded their potential persons serviced more than fourfold. 

    "Previously, one person could serve 80 people per day, planning the route and informing clients of the pickup time. We have increased our efficiency. Now, we are able to serve 450 people or more per day." –Product Manager, Transportation Service Company

    Former clients
    Smartum
    MEDarchiver
    Flyo
    PAAY
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Gliwice, Poland
    4.9
    4.9
    34 Clutch reviews
    Awards

    Deloitte: Fastest Growing IT Companies in Central Europe

  • 26

    Altoros

    Altoros is a software development company in Minsk, Belarus. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

    Notable Project

    Altoros worked on blockchain development for an insurance platform. Altoros developed multiple software projects for the client including a monitoring interface and a custom front end. Altoros also connected the client to Smart Contract and built a cloud-based monitoring network on the software. 

    "They [Altoros] have very high-class project management. All team members are skilled from a technical, organizational, and logistical standpoint. They perform very well." - CEO, Insurance Platform 

    Former clients
    Sony
    Allstate
    Toyota
    WMG
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Sunnyvale, CA
    4.8
    4.8
    8 Clutch reviews
  • 27

    DOOR3

    DOOR3 is a software development company headquartered in New York, NY. Founded in 2002, DOOR3 has grown to a team of about 60 employees that serves mostly enterprise and mid-market business. They provide software, web, and mobile app development, UX/UI design, and enterprise app modernization.

    Notable Project

    DOOR3 partnered with a medical device company to help in the planning phase of redesigning three websites. DOOR3 was involved with the research and discovery phase, helping the client identify the information needed on each site, content infrastructure, and navigation. All three websites were created on Drupal but DOOR3 was not involved in that phase of the project.

    “We selected them because we felt, during the presentation, that they had a really strong user experience approach, and I think the output that we had on the site definitely validated that.” – Former Digital Marketing Manager, Medical Device Company

    Former clients
    HP
    Morgan Stanley
    FreshDirect
    AIG
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place New York, NY
    4.9
    4.9
    20 Clutch reviews
  • 28

    Table XI

    Table XI is a mobile app and custom software developer based in Chicago, IL. Founded in 2002, they are a team of 50 curious minds that specialize in building websites, mobile applications and custom digital experiences for companies ranging from startups to well-known brands.

    Notable Project

    Table XI recreated the website of a global events company, building a video player and an iOS app to deliver content, all with no site downtime. After the migration, the app and site functioned seamlessly. The client recommended Table XI for their cost, clarity, and adherence to deadlines.

    “Table XI has been a key component in our growth, and without them, we couldn’t move forward.” – Founder and CEO, International Events App.

    Former clients
    Chicago Ideas
    Dickson
    Keiser
    Northwestern University
    Tyson Foods
    Discovery Financial
    AccuWeather
    $ $ $ $ $
    equalizer $75,000+
    group10 - 49 Employees
    place Chicago, IL
    4.9
    4.9
    42 Clutch reviews
  • 29

    Intellectsoft

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

    Notable Project

    Intellectsoft created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

    “We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

    Former clients
    Eurostar
    Harley Davidson
    Jaguar
    Universal Pictures
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Palo Alto, CA
    4.8
    4.8
    26 Clutch reviews
    Awards

    Inc. 5000: #846 in 2018 , Business of Apps: The Techies 2018: Best Use of Emerging Tech , IAOP: Top 100 Outsourcing Companies

  • 30

    Sidebench

    California-based agency Sidebench offers strategy, design, and development services. The team of 30+ employees works with businesses of all sizes – from enterprises to startups.

    Notable Project

    Sidebench reworked a crowdsourcing app for a company. With new designs, development and debugging, Sidebench delivered a high-quality, updated app.

    “They [Sidebench] delivered fantastic quality and communication. They also seemed to be agile enough to roll with changes and execute without much guidance from us.” – VP Product & Engineering, Crowdsourcing App

    Former clients
    Redbull
    Facebook
    NBCUniversal
    American Heart Association
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place Santa Monica, CA
    4.9
    4.9
    31 Clutch reviews
    Awards

    Inc. 5000 (2017) , Forbes 30 Under 30 (2017) , Mobile UX Awards: Social Impact Award (2017)

  • 31

    Spiria

    Spiria is a development company headquartered in Montreal, Québec, with additional offices in Gatineau, Québec; Oakville, Ontario; and Boston, Mass. Founded in 2003, Spiria's team of around 150 focuses on custom software development, web development, and mobile app development, primarily for midmarket and enterprise clients from the business services, entertainment, and manufacturing industries. 

    Notable Project

    An advertising software company hired Spiria for an ongoing partnership. As the advertising software company takes on new clients, Spiria provides assistance on a variety of projects by assigning individual contributors to augment the advertising software company's team. Additionally, Spiria has trained the advertising software company's team on a new project methodology. The advertising software company appreciates Spiria's ability to reliably provide development support and quality assurance.

    "When we receive a new contract, we are able to quickly augment our team and plan ahead. I have been using Spiria for this purpose ever since their company was created 10 years ago." - COO, Advertising Software Company

    Former clients
    Autodesk
    Shutterstock
    Evenko
    Disney Junior
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Montreal, Canada
    4.9
    4.9
    15 Clutch reviews
  • 32

    10Pearls

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

    Notable Project

    A telemedicine company needed assistance with platform development and maintenance. 10Pearls helped the telemedicine company with all aspects of platform development, creating a website and mobile app and ensuring the website’s backend was admin-friendly.

    “They [10Pearls] get the job done, work hard, and are very responsive. I’ve never had to question if I should replace them.” – CTO, Telemedicine Company

    Former clients
    Paypal
    Coca-Cola
    IRS
    AARP
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place Washington, DC
    4.8
    4.8
    21 Clutch reviews
    Awards

    50 on Fire: Hottest Companies Award

  • 33

    Experion Technologies

    Experion Technologies develops software solutions, mobile apps, cloud services, and IoT platforms. Established in 2006 and based in Addison, TX, their 350+ experts have created digital solutions for over 110 clients in the sectors of finance, retail, supply chain, and health.

    Notable Project

    Experion Technologies developed a custom CRM system for a large multinational food exporter that improved productivity by capturing sales metrics and tracking field sales. Aside from increased visibility, the client also benefited from Experion’s supportive take on project management, timeliness, and professionalism.

    "Our project with Experion has definitely been successful. We've seen its benefits, especially for our ice cream business." – Senior IT Manager, Food Exporter

    Former clients
    AstraZeneca
    Bacardi
    Mars
    TopGolf
    Tyson Foods
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Plano, TX
    4.9
    4.9
    36 Clutch reviews
    Awards

    Deloitte: 50 Fastest Growing Tech Companies 2017 , Fast 500 2017 & 2016 , Dallas Business Journal: Top 5 App Developers in Texas 2016 , IoT Evolution: Product of the Year Award 2016 , Red Herring Top 100 Fastest Growing Companies 2014 & 2013

  • 34

    Trigent Software

    Trigent is a software development company based in Southborough, MA company, with two additional offices in India. Trigent and its over 500 development experts provide offshore software development, application testing, and ECM consulting to companies for their clients. 

    Notable Project

    A non-profit hired Trigent to build an enterprise web app to provide and deliver programming throughout its partner network. Trigent developed the app using the ASP.NET program and everyone produced a quick turnaround. The final product met all of the client's expectations.

    "The system serves a number of people outside of our organization, and everyone is very complimentary of the finished product." – Senior Director, Youth Development Non-Profit 

    Former clients
    Honeywell
    Texas Instruments
    American Heart Association
    Kruger
    $ $ $ $ $
    equalizer $10,000+
    group250 - 999 Employees
    place Fayville, MA
    4.8
    4.8
    28 Clutch reviews
    Awards

    Microsoft Gold Partner, SiliconIndia: Company of the Year for Outsourced Product Development (2013) , SiliconIndia: Company of the Year for Outsourced Product Development (2013)

  • 35

    Orases

    Founded in 2000 in Frederick Maryland, Orases is a custom software development company with 20+ employees. They provide web and e-commerce development, branding, strategy, and design for mostly mid-market companies.

    Notable Project

    An enterprise software company needed to add an e-commerce element to its sales. Orases built a Magento-based site and integrated a custom ERP (enterprise resource planning). The site attracts a high volume of traffic, according to the client.

    “They were very responsive and diligent. We had a very aggressive timeline driven by a demanding customer, and Orases’s team said, ‘No problem, we can handle this.’ They were disciplined and made sure that we were meeting our milestones and goals.” – Senior Product Manager, Enterprise Software Company

    Former clients
    NFL
    MLB
    Johns Hopkins
    Dairy Farmers of America
    José Andrés
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Frederick, MD
    5.0
    5.0
    38 Clutch reviews
    Awards

    2017 Corporate Culture Award

  • 36

    SoftwareMill

    SoftwareMill is a software and consultancy company based in Warsaw, Poland. Founded in 2009, they have 40 employees who provide services including custom software development, big data consulting, blockchain development, and AI. 

    Notable Project

    SoftwareMill provided a mobile app developer in San Francisco with back-end server development using Scala. The client's project was for the media and communications industry, and they needed a comprehensive software architecture solution for a sophisticated project. SoftwareMill integrated several API's for automating data management, and optimized them for scalability. The client was satisfied both with the quality of results and with the service they received in the partnership.

    "Qualitatively, SoftwareMill has always hit projects on time and on budget. There have been no issues around major delays or cost overruns." - Managing Director, Mobile Development Firm

    Former clients
    Tipser
    HRoBOT
    Zerigo
    Vocado
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Warszawa, Poland
    4.9
    4.9
    17 Clutch reviews
  • 37

    Intellias

    Intellias is a software development services provider headquartered in Ukraine with delivery offices in Germany, Poland, and Saudi Arabia. Founded in 2002, they have 1,600+ employees today and supply Fortune 500 corporations and tech innovators across the globe with solutions in the automotive, financial, agriculture, transportation, telecommunications, edtech, healthcare, and retail domains. The services include custom software development, Big Data, AI/ML, IoT, and cloud solutions.

    Notable Project

    Intellias is developing a location data platform for a global leader in location-based services. The platform is powered by real-time HD maps, and the engineers are responsible for the cloud-based architecture and robotaxi technology that aims to enable self-driving cars in the future.

    The partnership resulted in increased efficiency and a 40% reduction in costs, while allowing in-house staff to focus on strategic projects. Intellias impressed with their solid talent acquisition process and quality standards. The agency's proactive management kept projects moving forward." - Manager, Location Platform Company

    Former clients
    HERE Technologies
    Siemens
    Deloitte
    Microsoft
    Nokia
    KIA
    LG Electronics
    Sapient
    $ $ $ $ $
    equalizer $50,000+
    group1,000 - 9,999 Employees
    place Lviv, Ukraine
    4.9
    4.9
    20 Clutch reviews
    Awards

    DOU.ua Top 10 Largest Ukrainian IT Companies – 2020 , The Best of The Global Outsourcing 100 List by IAOP – 2019 , Inc. 5000 – 2018 , GSA UK Awards – 2017

  • 38

    SimbirSoft

    SimbirSoft is a 250+ web, mobile, and custom software development firm based in Lexington, MA, with an office in Ulyanovsk, Russia. Founded in 2001, their full-service team delivers the full suite of digital tools needed for business growth.

    Notable Project

    Over a five-year span, SimbirSoft developed numerous web and mobile apps for brands in the client’s portfolio. The end-product enjoyed positive reviews and helped the client meet revenue goals, while the team’s service-oriented attitude and flexibility were also appreciated.

    “It is always pleasant to deal with the SimbirSoft team. A devoted manager who is always in touch with us also creates this sense of comfort. Their speed of delivery and the quality of their work is excellent.” – Project Manager, Russian Publishing Company

    Former clients
    Ferrero
    Kimberly-Clark
    lamoda
    Matsushita Corp
    The World Bank
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Lexington, MA
    4.9
    4.9
    51 Clutch reviews
    Awards

    Software Magazine World IT 500 , IAOP Top 100 Outsourcing Companies (2015-Present)

  • 39

    Future Processing

    Future Processing is a software developer based in Gliwice, Poland. Founded in 2000, they now have more than 900 employees. They specialize in custom software development, web development, and enterprise app modernization for primarily midmarket and small business companies in the healthcare, IT, and transportation industries.

    Notable Project

    Future Processing developed a scalable, bespoke solution for managing surplus food warehouses which helped to decrease product input time on key processes by up to 33% when compared to the old system.

    “Each and every project has been a success.” – Founder, Business Services Firm

    Former clients
    Allocate
    Algomi
    City Wonders
    Credit Agricole
    Etisoft
    Euromoney
    Flowbird
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Gliwice, Poland
    4.8
    4.8
    20 Clutch reviews
    Awards

    Named Outsourcing Service Provider of the Year by the Global Sourcing Association

  • 40

    eTeam

    eTeam is a software development firm based in Kviv, Ukraine. Founded in 2010, eTeam has 30 employees and primarily serves small businesses in the financial services and retail sectors. They mostly work on payment and consumer relations platforms that require custom software development, app development, and web development. 

    Notable Project

    A financial technology and services firm hired eTeam to develop a platform for simplifying payments. eTeam delivered a solution that uses barcodes for bill payments and deposits. Implementing this technology enables customers to use mobile phones and simplify the way they manage their finances. The client praised their dedication to the project and was especially impressed by their technical acumen.

    "eTeam stands behind what they produce and truly believes in what they do. Furthermore, they're flexible and understanding when things change." –Director, Financial Services Firm

    Former clients
    Walmart
    GameStop
    7-11
    China Mobile
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place San Francisco, CA
    4.9
    4.9
    17 Clutch reviews
  • 41

    Infopulse

    Infopulse is a digital software company based in Kyiv, Ukraine with additional offices in Israel, Germany, France, and the U.S. Since 1991, their team of more than 1,000 employees offers custom software development, web development, IT strategy consulting, mobile development and app testing services. They usually work with mid-sized clients in the information technology industry.

    Notable Project

    Infopulse designed and developed a mobile application for an Olympic committee within a tight timeline. The app included functionalities that allowed video content sharing and scheduling information.

    “Their openness, professionalism, attentiveness, and responsibility are what’s most impressive about them.” – Marketing Manager, Olympics Committee

    Former clients
    A2B.Direct
    American Chamber of Commerce in America
    BICS
    British American Tobacco
    $ $ $ $ $
    equalizer $25,000+
    group1,000 - 9,999 Employees
    place Kyiv, Ukraine
    4.7
    4.7
    9 Clutch reviews
    Awards

    Leading Global Outsourcing Providers (2018)

  • 42

    STX Next

    Based in Poland, STX Next is a global software development company. The agency was founded in 2005 and carries a team of over 170 full-stack Python developers alone. In total, the company has over 300 professionals that specialize in web development, software development, and application testing. 

    Notable Project

    STX Next developed an online platform and web application from scratch for a government-run financial services firm. The firm outsourced the entire back-end development project to STX Next. The client was pleased with the quality of work, despite its difficulty, and how quickly everything was done. Their partnership is ongoing. 

    "They always have brilliant ideas about how to improve the user experience, how to find exceptional cases. That part made my job and my decision to work with them again a lot easier." – Head of Product & Technology, Financial Services Firm

    Former clients
    Verve
    Wunderman
    Coras
    Realface
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Poznań, Poland
    4.7
    4.7
    57 Clutch reviews
    Awards

    Deloitte: Fastest Growing Tech Companies in Central Europe (2017)

  • 43

    N-iX

    N-iX is a software provider based in Lviv, Ukraine and founded in 2002. Their team of 873 employees provides custom software development, Artificial Intelligence, AR/VR development, and application testing.

    Notable Project

    N-iX provides development services for a computer software company. The agency developed four websites thus far. They currently provide ongoing mobile app development for the company. Their work increases the average page stack and average time on site by 50%.

    "We were forced to switch to Amazon Web Services from the dedicated ISP we had been using in Norway. N-iX’s involvement in this effort allowed us to reduce our networking costs."– Technology Manager, Computer Software Company 

    Former clients
    Lebara
    HotSchedules
    OpenText
    Cure Forward
    $ $ $ $ $
    equalizer $250,000+
    group1,000 - 9,999 Employees
    place Lviv, Ukraine
    4.8
    4.8
    14 Clutch reviews
    Awards

    Inc. 5000 Europe (2018) , IAOP: The Global Outsourcing 100 (2018)

  • 44

    Tivix

    Tivix is a software development company that was founded in 2008. With offices in the U.S. and U.K., Tivix has a team of just over 50 employees that uses an agile approach to web, mobile app, and software development. They serve mostly mid-market businesses, as well as small companies and enterprises.Notable ProjectTivix partnered with a civic engagement technology company to develop an interface that made managing its databases easier. They used the client’s wireframes to create an admin panel for the database and built out analytics. Tivix also integrated marketing elements such as an email campaign that regularly updates the client’s members.“I've worked with a few consultancies, and Tivix was hands down the best one in terms of talent, communication, and meeting deadlines. When it comes down to it, they met every deadline and accomplished every goal we’ve set out to accomplish.” – President, Civic Engagement Tech Firm

    Former clients
    SolarCity
    Bayer
    Apple
    VMware
    $ $ $ $ $
    equalizer $75,000+
    group50 - 249 Employees
    place San Francisco, CA
    4.9
    4.9
    20 Clutch reviews
  • 45

    10Clouds

    Headquartered in Warsaw, Poland and with an office in Atlanta, GA, 10Clouds has built software for businesses worldwide since 2009. The team of 120+ focuses on web development, software development, and DevOps services for scaleups and enterprise clients.

    Notable Project

    10Clouds built a software for speech recognition and language processing for an AI cloud computing company. They helped with coding, UX/UI design, integration and deployment, and maintenance. As a result of 10Clouds' work, the software now has tens of thousands of users. As a result, the company and 10Clouds have continued working together on different software projects. 

    "10Clouds can always find the best developer for a project. I'm often impressed by the quality of work they deliver. I appreciate their knowledge, discipline, code of conduct, and creativity. So far, 10Clouds has been the best engineering development company I have used. I've learned so much from them."- CEO, AI Company

    Former clients
    StepStone
    Trust Stamp
    Coinquista
    Royals
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Warsaw, Poland
    4.9
    4.9
    40 Clutch reviews
    Awards

    Deloitte: Fastest Growing Tech Companies in Central Europe (2017)

  • 46

    Caxy Interactive

    Caxy Interactive is a web design and development agency located in Chicago, IL. Since 1999, the agency and its team of 10+ specialize in creating better digital experiences for their clients through web development, software development, and enterprise content management services. 

    Notable Project

    A job platform that helps women return to the workforce hired Caxy Interactive to upgrade its website. Along with small development tasks, Caxy Interactive upgraded the company's job board and employer portal. The feedback has been positive regarding the features and looks of the website. 

    "[Caxy Interactive] has taken it to the next level — [our website] looks different and much more polished. I love their creative team and their graphics team who did a great job in that way." – Founder, Job Finding Platform

    Former clients
    Sifma Foundation
    The Popcorn Factory
    Experian
    Northwestern University
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Chicago, IL
    4.9
    4.9
    14 Clutch reviews
    Awards

    Acquia Engage Awards Finalist (2017)

  • 47

    Wizeline

    Headquartered in San Francisco, Wizeline is a global product development company with offices in Guadalajara and Mexico City, Mexico, and Ho Chi Minh, Vietnam. Since its founding in 2014, the team has grown to over 390 employees. Wizeline specializes in custom software, web, and mobile app development and UX/UI design. 

    Notable Project

    An entertainment company hired Wizeline to improve their website's CMS. Based on the team's initial success, they fostered a partnership that's still ongoing. The agency's skills made them stand out from comparably firms throughout the process. The client appreciates Wizeline's collaborative spirit and excellent communication skills. 

    "They have quickly learned our system, made helpful suggestions, and been very collaborative."–Senior Product Manager, Entertainment Company 

    Former clients
    Mastercard
    Dell
    WSJ
    Australian Open
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place San Francisco, CA
    4.9
    4.9
    10 Clutch reviews
  • 48

    Svitla Systems

    Svitla Systems is a software development company from Corte Madera, Calif. with offices in Ukraine and Guadalajara, Mexico. It was founded in 2003 and has grown to 319 employees who work on web development, custom software development, web design, mobile app development, and UX/UI design for companies of all sizes.

    Notable Project

    An academic publishing company needed extra developers to execute the conceptual design they had already created. Svitla Systems customized their existing e-commerce site on Magento and SugarCRM, mainly through optimizing the code and configuring the back end. 

    "They chat with our internal developers on every task. They’ve really become an integral part of the team... It’s nice to treat them as members of our team. They deliver some high quality work." — VP of Technology, Academic Publishing Company

    Former clients
    Statline
    Amplience
    The Rainmaker Group
    Cordial
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Corte Madera, CA
    4.8
    4.8
    10 Clutch reviews
  • 49

    Black Pepper Software Ltd.

    Black Pepper Software Ltd is a software development firm based in Leamington Spa, United Kingdom with a team of 40 experts. Founded in 1999, they have provided custom software development, IT strategy consulting, and UX/UI design solutions for small firms, midmarket businesses, and large companies. They have experience working in multiple industries, including consumer products & services, financial services, and non-profit.

    Notable Project

    Black Pepper Software Ltd developed an app for an international pharmaceutical company for use in trade shows. The app was designed to display running clinical trials and help medical representatives track these trials to aid suitable prescribers. Black Pepper Software Ltd also developed a system that collects real-time data for display on a global map.

    "Their estimation of project timing has been exceptional. So far, we've been ahead of schedule on every project, we've been able to use gained time to further enhance the final product beyond that of what we had promised our client." - Senior Project Manager, Multimedia Company

    Former clients
    Response Multimedia
    Bravissimo
    Attraction World
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Leamington Spa, United Kingdom
    4.9
    4.9
    13 Clutch reviews
  • 50

    Django Stars

    Software provider Django Stars is based in Kiev, Ukraine. Founded in 2008, the agency and their team of 60 specializes in web and custom software development for primarily midmarket clients. 

    Notable Project

    An investment services platform hired Django Stars to develop a web platform. The agency used Django Python to develop the backend on a CRM system. The project was completed successfully with near-perfect code and has received positive feedback.

    "They're serious and they do good work."–Managing Partner, Investment Services Platform

    Former clients
    Unleash12
    Kaspersky Labs
    moneypark
    Sindeo
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place Kiev, Ukraine
    4.8
    4.8
    36 Clutch reviews
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