Looking for a top custom software developer?

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. (And, if you want personalized recommendations, tell us about your project.)

List of the Best Custom Software Developers

  • 151
    $50,000+
    1,000 - 9,999 Employees
    Kyiv Ukraine

    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.

    Clients
    Agillic
    BICS
    Bosch
    British American Tobacco
    Industries
    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

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  • 152
    $10,000+
    10 - 49 Employees
    Cockeysville MD

    Founded in 2011, Bytelion is a software firm located in Hunt Valley, Md. Their team of 24 provide mobile app development, custom software development, web development and design. 

    Clients
    Pier1 Imports
    Allegis Group
    KeyW
    Johns Hopkins
    Industries
    Notable Project

    Bytelion developed a mobile application and website for a boat slip company that wanted to expand the different means their customers could interact with their company. They provided design, development, and QA testing for the client; the collaboration allowed the business to grow significantly. 

    “I have found that Bytelion manages to hire extraordinary designers, developers, QA analysts, and project managers. Each employee I meet from Bytelion is talented, professional, and receptive to client ideas.” –– Product & Technology, Boat Slip Company

  • 153
    $50,000+
    250 - 999 Employees
    New York NY

    Oxagile is a New York-based software engineering firm that provides full-fledged development and testing services across industries and domains. The company’s quality assurance offering includes managed testing services, dedicated QA, and QA consulting. Underpinned by cross-domain knowledge, the firm demonstrates its excellence in testing complex high-load solutions. Oxagile’s in-house automated testing tool ensures lower testing costs, faster time to market, and enhanced software quality.

    Clients
    Google
    Discovery Communications
    motorsport.tv
    Thomson Reuters
    Industries
    Notable Project

    Oxagile developed a cloud-based financial management platform, helping their client boost online presence and enhance customer acquisition. Their team leveraged cross-domain knowledge to deliver value throughout the project — from design and prototype development to full-fledged solution deployment and testing.

    “Oxagile has a real understanding of our business challenges and industry.” - CTO, Financial Company

  • 154
    $25,000+
    50 - 249 Employees
    Kharkiv Ukraine

    AltexSoft is a software development and consulting company founded in 2007 and based in Kharkiv, Ukraine. The company also has a U.S. office in Carlsbad, Calif., and offices in Lviv, Ukraine and Kremenchuk, Ukraine. Its team of more than 150 employees specializes in software development, web development, mobile app development, and IT strategy. 

    Clients
    Microsoft
    Bally
    Cornerstone
    Bruxlab
    Industries
    Notable Project

    AltexSoft developed custom software for a software consultancy's Azure-based security system. The client went to AltexSoft because of the newer technology they use as well as their forward-thinking skillset. The quality software they developed received positive feedback. 

    "Everyone has their role and knows what they are doing. They have good processes in place and everyone is motivated and committed to creating that atmosphere, which isn’t easy to do. That very positive atmosphere and positive structure means they have happy developers." – Owner, Software Development Consultancy 

  • 155
    $10,000+
    250 - 999 Employees
    Kyiv Ukraine

    SPD Group is an IT and development company in London, United Kingdom; Kyiv and Cherkasy, Ukraine; and Tel Aviv, Israel. Founded in 2006, they have about 16 employees that serve mostly midmarket and small-business clients in the business, financial, and IT sectors. Services include custom software development, AI, and IoT development.

    Clients
    PitchBook Data
    Morningstar
    POYNT (a GoDaddy Brand)
    floLive
    Industries
    Notable Project

    SPD Group developed an app for a real estate platform startup. Their team built an entire infrastructure and created versions for iOS and Android. The platform has received positive feedback and exceeds expectations.

    “Not only do they do great work, communicate really well, and document incredibly well.” – Founder & CEO, Real Estate App Startup

  • 156
    Undisclosed
    50 - 249 Employees
    New York City NY

    Azoft is a development outsourcing firm headquartered in New York City with an additional office in Novosibirsk, Russia. Founded in 2002, the team of about 100 primarily provides mobile, web, and custom software development, with additional design, testing, and consulting services. They mainly work with midmarket clients in a wide range of industries.

    Clients
    EY (former Ernst&Young)
    Tele2
    Effective Coverage
    CA Technologies
    Industries
    Notable Project

    Azoft provided framework development for a voice recognition company. The goal was to create a new platform technology with integrated virtual customer support systems, improved audio chatbot services, conversational AI, and natural language processing capabilities. The client built on Azoft’s technology to create their independent product for the market.

    “They have a very high level of professionalism, and very good communication skills. They are also extremely dedicated and considerate. They really listen to us, which is quite uncommon in my experience. I find them to be an excellent partner.” — CTO, Voice Recognition Company

  • 157
    $5,000+
    250 - 999 Employees
    Buenos Aires Argentina

    Huenei IT Services is a software development nearshoring firm based in Buenos Aires, Argentina with branch offices in Chile, Mexico, and Austin. Founded in 1995, Huenei has 167 employees and offers development services for specific needs or whole product cycles. Huenei IT Services provides a full range of solutions includes custom software development, mobile app development, IT managed services, and UI/UX design.

    Clients
    AIG
    Monsanto
    Phillip Morris
    Cardif BNP Paribas
    Notable Project

    Huenei IT Services developed the flagship mobile app for a leading Latin American retailer. The client operates an extensive network of distinct brands, but wanted a centralized application. Huenei designed a contemporary, enterprise-quality UX and integrated critical functionalities including e-commerce and a retail store locator. The client noted that despite virtually no marketing efforts, the published app is receiving many more downloads than expected along with many positive reviews.

    "I can call Huenei IT Services and know they will answer and take care of things. They listen to you and take care of your proposals.  –CIO, Retail Corporation

  • 158
    $10,000+
    50 - 249 Employees
    Niš Serbia

    INGSOFTWARE is a software development company that has offices in Nis, Serbia; Salzburg, Austria; Copenhagen, Denmark; Harare, Zimbabwe; and Princeton, N.J. INGSOFTWARE was founded in 2009 and currently has around 50 employees who specialize in custom software development, web development, mobile app development, and branding. The firm works with mainly small and midsized businesses in the financial, businesses services, and gaming industries.  

    Clients
    Gold Bullion International
    Empa
    Philip Morris
    ProfitOptics
    Industries
    Notable Project

    An IoT athletic tracker hired INGSOFTWARE to develop an iOS mobile app that measures players' performance metrics, such as heart rate and acceleration. INGSOFTWARE also created a database and improved a coach dashboard for the client.

    "The level of project management is some of the best, if not the best, I've ever seen." - CEO, IoT Athletic Tracker

  • 159
    Undisclosed
    10 - 49 Employees
    Portland ME

    Portland Webworks is a development agency based in Portland, Maine and founded in 1999. The agency has about 25 employees. Portland Webworks focuses on custom software development, but it also offers mobile app and web development services. Many of its clients are in the government industry.

    Clients
    Sappi Paper
    Washington Department of Social and Health Services
    Sappi Paper
    Massachusetts Clean Energy Center
    Industries
    Notable Project

    A paper products company hired Portland Webworks to modernize its website. Portland Webworks first created a regional company site, then worked on a global e-commerce portal.

    "Since engaging Portland Webworks, it has been recognized across the company that they're excellent, and they've remained the go-to choice for all of our global projects." - Area Manager, Manufacturing Website 

  • 160
    $10,000+
    250 - 999 Employees
    Kista Sweden

    Reksoft is a Moscow-based software development house founded in 1991. Their team of roughly 200 employees is housed in an additional office in Kista, Sweden. They offer custom software, web and mobile development, and blockchain consulting. They're proficient in Javascript, C#, Python, and SQL, among others.

    Clients
    VTB
    Swisscom
    Philip Morris International
    T-Systems
    Industries
    Notable Project

    Reksoft developed a logistics platform for a freight company. They executed a solution that consolidates data about tariffs and geographical restrictions. Their successful delivery of a reliable solution increased logistical efficiency.

    "The project allowed us to solve complex calculations and optimization issues." — Founder, Freight Company

  • 161
    Undisclosed
    50 - 249 Employees
    Plymouth MI

    Logic Solutions, a software development firm and mobile app development company, is located in Plymouth, Michigan. The firm specializes in custom software development and mobile app development and has a midsize team.The firm was founded in 1995.

    Notable Project

    After a previous vendor failed to deliver, Logic Solutions took over and created a website with functions for a recruitment company. They also built a mobile app for Android and iOS for staff users.

    "They worked magic turning our original site into something our users would actually want to use."

  • 162
    $25,000+
    50 - 249 Employees
    Wrocław Poland

    Monterail is a software development company founded in 2010. The company is located in Wroclaw, Poland where its team of 110+ experts provides web development, custom software development, and IoT development services to mostly small and mid-market businesses.

    Clients
    Pizza Hut
    Morizon
    Merck
    Solarflare
    Industries
    Notable Project

    An independent consultant hired Monterail to assist in developing a cloud based e-publishing tool. Using Javascript and Ruby on Rails, Monterail delivered a minimum viable product with drag and drop functionality. 

    "They would release versions that could be tested and what I enjoyed was the responsiveness of their team. The process was very lean and simplistic." — Founder, e-Publishing App

  • 163
    $75,000+
    10 - 49 Employees
    Aleksandrów Łódzki Poland

    eEngine Software House is a software development agency founded in 2007. Based in Aleksandrów Łódzki, Poland, the team of 18 specializes in web development, e-commerce development, and custom software development. They primarily serve mid-market clients in the eCommerce, business services, and utilities industries. 

    Clients
    IQ Dental Supply, LLC
    Everuptive Group
    Gatta
    Everuptive and Gatta
    Industries
    Notable Project

    eEngine Software House works on web development for a fashion manufacturer. The team builds and manages the infrastructure connecting an e-commerce store, an ERP, and a CMS. They use a proprietary software based in PHP, CSS, and Java. Overall, the client was impressed with the team's work. 

  • 164
    Undisclosed
    250 - 999 Employees
    Chicago IL

    Software development firm SPR was established in 1973. The midsize team specializes in custom software development, enterprise app modernization, cloud consulting & SI, ux/ui design, and more. The company is headquartered in Chicago, Illinois and Milwaukee, Wisconsin.

    Industries
    Notable Project

    A financial services company hired SPR to assist them in managing their backend processing platform.

    "I would definitely recommend them to anyone out there."

  • 165
    $50,000+
    50 - 249 Employees
    Kraków Poland

    Ready4S is a full-service web and mobile app development company based in Cracow, Poland, with offices in the UK and Ukraine. Started in 2011, this team of 25+ creates digital solutions for organizations both large and small.

    Clients
    Uber
    Coca-Cola
    Credit Agricole
    La Roche Company
    Industries
    Notable Project

    Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

    “I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

  • 166
    $10,000+
    50 - 249 Employees
    Wilmington DE

    Byteridge is a 30+ mobile and web development firm based in Hyderabad, India with an office in Sunnyvale, CA. Founded in 2008, they offer creative and scalable digital solutions to startups and Fortune 500 companies alike.

    Clients
    Microsoft
    India Infoline Ltd (IIFL)
    Philips
    Tata Strategic
    Industries
    Notable Project

    Demonstrating fluency in several coding languages, the team developed a highly successful app that earned 10,000 downloads in two months. The client praised the developers’ work ethic and management’s flexibility and communication skills, calling the project an overall positive partnership.

    “They have very good experience in product development. Their code is really good quality. The top management is very approachable.” – Founder, Real Estate Visualization Company

  • 167
    $1,000+
    250 - 999 Employees
    Minsk Belarus

    Located in Minsk, Belarus, Scand was founded in 2000. Since then, they’ve grown to 300+ employees and completed over 550 successful projects. Scand works on web, mobile, e-commerce, and custom software development.

    Clients
    IBM
    CISCO
    FedEx
    Bank of America
    Industries
    Notable Project

    An IT company needed to build out online ordering on its website and Scand tackled the project head-on. They developed the backend of the website and refined the frontend. Scand continues to provide support and maintenance.

    “The technology Scand developed is huge in both how many people use it and how much money the company earns from it. The entire company was actually built on the IT solution, so without it, the company wouldn’t even exist.”  – CEO, IT Company

  • 168
    $10,000+
    250 - 999 Employees
    Kyiv Ukraine

    Founded in 2001, Developex is a software development company that was founded in Kyiv, Ukraine with a secondary location in Vancouver. Their team of 231 specializes in custom software development, web development, app development, and application testing. 

    Clients
    Corsair
    Logitech
    AMD
    Scull Candy
    Industries
    Notable Project

    Developex entered at development partnership with a business intelligence software company to create design and implement that development for their software. The client was impressed with the level of efficiency they provided.   

    “They are deeply committed to the work. We sense that they feel just as much ownership in the product as we do. They are successful because of their high level of integrity and a strong commitment to quality.” –– CEO, Business Intelligence Software Company 

  • 169
    $100,000+
    50 - 249 Employees
    Cebu City Philippines

    Arcanys is a software outsourcing center of 156 employees, founded in 2010. They are headquartered in Cebu City, Philippines, with a second location in Makati City, Philippines. They specialize in custom software development, mobile app development, and AI. They primarily serve small and midmarket businesses in IT, business, healthcare, and consumer products industries.

    Clients
    General Electric Korea
    Enfo
    RateMyAgent
    Payment Logic
    Industries
    Notable Project

    An IT consultancy hired Arcanys as a partner during peaks in business. They mainly performed Java development, Angular, and NodeJS based on an Amazon Web Services platform. The client was pleased with their extensive knowledge base.

    “We wouldn’t be the company we are today without Arcanys. They’ve helped us achieve lots of success stories.” – Senior VP of Information Management, IT Consultancy
     

  • 170
    $25,000+
    50 - 249 Employees
    West Bloomfield MI

    Azilen Technologies is a product engineering company based in West Bloomfield, Mich., with Indian offices in Ahmedabad and Mumbai. Founded in 2009, the team of over 100 employees specializes in AI, IoT development and enterprise app modernization. They work primarily with small business and midmarket clients, mainly in the IT industry.

    Clients
    Samsung
    ICICI Bank
    Pizza Hut
    Hartsfield-Jackson Atlanta International Airport
    Industries
    Notable Project

    Azilen Technologies worked on mobile app development for a healthcare online education company. They redesigned and developed a mobile app, correcting coding errors and bugs. The client was impressed with the increase in engagements that resulted from the project.

    “Azilen significantly improved our app, improving overall customer satisfaction as a result. Thanks to their efforts, our earnings have increased by about 30% in the last year.” – Project Manager, Healthcare Online Education Company

  • 171
    $25,000+
    250 - 999 Employees
    Kyiv Ukraine

    Founded in 1999, Daxx is a software development and technology consulting company headquartered in Kyiv, Ukraine. Its team of more than 450 experts have 20 years of experience in custom software, quality control, security testing, and process and technical consulting, web development, and e-commerce development. Daxx mainly works with mid-sized clients. So far, the company has helped more than 300 companies set up, manage, and retain their remote development teams in Ukraine.

    Industries
    Notable Project

    Daxx assisted in bolstering the development team for a web applications company, providing both frontend and backend developers, as well as QA testers and a project manager. Daxx recruited the employees, onboarded them, and managed the team. The company thought outsourcing would be its best bet for increasing its team. Daxx provided excellent guidance and project management when the company needed it. 

    "Daxx’s guidance concerning expectation, task, process, and project management has helped the company take huge steps in the right direction." – CEO, IT Company

  • 172
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Eastern Peak is an international software development company based in Kharkiv, Ukraine, with offices in Herzliya, Israel; Birmingham, U.K.; Manchester, U.K.; Geneva, Switzerland; London, and New York. Founded in 2010, Eastern Peak employs a team of over 100 who provide custom software development, IoT development, and mobile app development services for primarily mid-market businesses.

    Clients
    DPD Group
    Gett
    Western Union
    Fly
    Industries
    Notable Project

    A SaaS enterprise provider engaged Eastern Peak to develop software development kits [SDK] that allowed users to connect to PHP and .NET components. Because users worked from various technologies, Eastern Peak's plug-ins allowed them to integrate with the client's Java platform. Users have implemented the plug-ins extensively.

    "Eastern Peak delivered 27 projects since we’ve started working together. Those connectors have been used by 461 of our customers." – CTO, SaaS Enterprise Provider

  • 173
    $10,000+
    50 - 249 Employees
    Cupertino CA

    Sibedge is a software development firm based in Cupertino, Calif. with more than 50 employees. Since their founding in 2006, they have provided custom software development, enterprise app modernization, and AI solutions for clients in the fields of IT and e-commerce.

    Clients
    Aura (ex Pango/AnchorFree)
    WhoTrades/Just2Trade
    PropertyMinder
    BPC Banking Technologies
    Industries
    Notable Project

    Sibedge developed a mobile app for an IT company. The company had a client that needed an app that assisted in auditing and management. The app is now used by several thousands of users.

    “Sibedge is dedicated to project success. Sibedge’s performance with us was exceptional in its attention to detail and focus on the high-quality.” - Project Manager, IT Company

  • 174
    Undisclosed
    50 - 249 Employees
    Soquel CA

    Axmor Software is a custom software development agency. Their team of fewer than 200 employees is headquartered in Soquel, Calif., with offices in Novosibirsk, Russia. Founded in 2003, they mainly service small businesses across industries such as IT, business services, and others.

    Clients
    IBM
    Deloitte
    Evernote
    Siemens
    Industries
    Notable Project

    Axmor Software partnered with a medical software company to provide custom development services. The team used C++ to refine the functionality and accuracy of the platform, which improves the decision-making processes of healthcare professionals. They provided consistent code with minimal bugs.

    “At the beginning of our relationship, we had about five bug releases. We’ve been able to decrease it over time to four and now it’s unusual that we have more than one bug release.”  — Executive, Software Company

  • 175
    $25,000+
    50 - 249 Employees
    London United Kingdom

    JustCoded is a web development company based in London with a satellite office in Kharkiv, Ukraine. Founded in 2007, it employs around 60 professionals who specialize in web development, e-commerce development, and mobile app development services to clients in primarily in the financial services industry.

    Clients
    Expedia
    FxPro
    ADS Securities
    Printed.com
    Industries
    Notable Project

    JustCoded worked with a community of creative agencies to provide tech and development services including custom-built projects, loan application processes, and API integrations. The main project JustCoded worked on was developing a community platform for a company using WordPress. This project included designing filters for over 1,000 pages of content and developing a strong search functionality for the site. The initiative ended up drawing over 1,000 customers within 6 months, well past the original goal of 100 clients in in 3 months.

    "When I started working with them, everything began running smoothly. We did a little test project, and I thought it was brilliant. The cost-to-value ratio was great as well. I can think of 25 companies I’ve worked with in different countries, but none delivered like JustCoded did. I’m still getting the same feedback from people I’ve introduced them to, which is great." – Managing Director, Community of Creative Agencies

  • 176
    $25,000+
    10 - 49 Employees
    La Plata Argentina

    NaNLABS is a digital agency based in La Plata, Argentina with another office in Neuquén. Established in 2013, the company consists of around 25 employees who specialize in custom software development, mobile app development, and UX/UI design.

    Clients
    Symantec
    Flight Club
    Fifth Wall
    Cyber Cube
    Industries
    Notable Project

    NaNLABS developed an iOS and Android app for a breast cancer foundation. The app operates in six languages and shows users how to perform their own examinations. It also features automatic push notifications as reminders. The client boasts a user base of over 50,000.

    "They were really fast and really easy to work with, and were great communicators throughout." — Founder, Breast Cancer Foundation

  • 177
    $5,000+
    50 - 249 Employees
    Montevideo Uruguay

    Capicua is a full-cycle digital agency based in Montevideo, Uruguay, and founded in 2010. Their team of 23 employees specializes in custom software development, UX/UI design, and mobile app development. 

    Clients
    Leadbird
    FR8
    Khül
    FlashParking
    Notable Project

    Capicua created a platform for a B2B lead generation company. They developed the platform to incorporate millions of existing records, making them easy to search and extract useful data from. The platform also let users make payments and create direct email campaigns. The client was very happy with their work.

    “The partnership has been positive overall. I've been very pleased with their quality of work for the price we paid.”   – CEO, B2B Lead Generation Company
     

  • 178
    Undisclosed
    250 - 999 Employees
    Addison TX

    Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences. 

    Clients
    Mercedes-Benz Financial Services
    Capital One
    Samsung Electronics
    The Container Store
    Notable Project

    Projekt202 designed a commercial consumer platform for a banking startup. They conducted extensive research and used it to design several versions of the platform, including a proof-of-concept, which was then developed into a working product. The clients says that the product was positively received by their consumers and that the design is intuitive, transparent, and relatively free from bugs or other issues. 

    “Their ideas were unique and thought-provoking and centered around getting the product to market faster.” – VP of Product Management, Banking Startup 
     

  • 179
    $10,000+
    50 - 249 Employees
    Warszawa Poland

    Startup Development House is custom software and product development company based in Poland. The team of 60 provides end-to-end product development services: ideation, prototyping, UX/ UI design, app & web development, scrum team augmentation, quality assurance, and product management. 

     

    Clients
    Siemens
    Startupmatcher
    Petricore
    Nöffe
    Industries
    Notable Project

    Startup Development House developed the platform for a ship technology startup to attract clients. They used Ruby on Rails and PostgreSQL to develop a user-friendly platform that easily handled all the client data.

    "Currently, we have a lot of shipyards using the site and they like it. We have also been contacted by shipyards without us having to reach out to them. We have received a lot of positive feedback, and people are happy that there is finally a platform that is easy to use." — CEO, Ship Tech Startup

  • 180
    $5,000+
    250 - 999 Employees
    Pune India

    Clarion Technologies is headquartered in Pune, India. The team has satellite offices stateside in New York as well as in Ahmedabad and Bangalore, India. Founded in 2000, Clarion's team of 500+ employees offers custom software development, web development, CRM consulting & SI, and cloud consulting services. Their client base primarily features small and midmarket businesses.

    Clients
    GoldenComm​
    Topline Systems
    Soft Tools Pro
    Aaron Equipment company
    Notable Project

    Clarion Technologies works as the development team of this language service provider. They successfully integrated a proprietary portal and its enterprise resource planning system. Throughout the entire process, Clarion Technologies offered high-level training and support. This project featured a variety of languages and platforms in different stacks, from AngularJS and C# to DotNetNuke.

    “The quality of the work is fantastic. We’ve had zero complaints and we’re happy with all their work so far.” – Co-CEO, Language Service Provider

Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT