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
    $25,000+
    50 - 249 Employees
    Montevideo Uruguay

    Octobot is a software consultancy headquartered in Montevideo, Uruguay. Octobot was founded in 2014 with the objective of creating innovative digital solutions and transforming their client's ideas into products. They have a team of over 40 composed of designers, engineers, and innovators who specialize in mobile app development, web development, and custom software development for the healthcare, education, and business services industries. 

    Clients
    AMSJ Medical Center
    VES Environmental Solutions
    Milk Specialties Global
    COMPAS
    Industries
    Notable Project

    Octobot provided a customer data solutions company with product development services. They worked collaboratively to create a data-driven mobile application and attribution system.

    "They’ve greatly improved the speed, predictability, and quality of our development efforts." – VP of Product, Customer Data Solutions Company

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  • 152
    $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
    WootCloud
    Lamden
    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

  • 153
    $10,000+
    10 - 49 Employees
    Toronto Canada

    RootQuotient is a technology and development partner based in Montreal. The team of 12 also has an office in Chennai, India and offers cross-platform app and software development services to its midmarket and small business clients. 

    Clients
    Siemens Gamesa
    Verizon
    Nokia
    L&T
    Industries
    Notable Project

    An education communication platform hired RootQuotient to develop a mobile and web app to promote better communication between schools and parents. They used a cross-platform tool to develop the app and created automated functionalities including attendance tracking and student feedback. The product helped the client convert users. 

    "They’ve been really helpful right from the ideation stage. They clearly explained the process of the collaboration upfront." – Co-Founder, Education Platform 

  • 154
    $25,000+
    10 - 49 Employees
    Lisboa Portugal

    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.

     

    Clients
    Apiax
    AlixPartners
    QuartalFS
    Audio Test Kitchen
    Industries
    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

  • 155
    $5,000+
    250 - 999 Employees
    Surat India

    Narola Infotech Solutions LLP is an IT outsourcing company based in Surat, India. Their team of fewer than 500 employees serves mostly small to midmarket companies. Services include application management and support, mobile app development, and web design. They were founded in 2005.

    Clients
    Loople
    Keybee
    Industries
    Notable Project

    Narola Infotech Solutions LLP developed a mobile application designed to pair with a religious book. The app allows readers to plan meetings and discussions. The final product attracted customers with its intuitive, attractive UX/UI components.

    “The app is simple, which is the reason for our success. Users look at it and know what they’re doing.” — Co-Founder, Christian Ministry Group

  • 156
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Studio Graphene is a 90+ employee interdisciplinary team of strategists, designers, developers, and product managers. Studio Graphene is headquartered in London with studios in New Delhi, Lisbon, and Geneva. They collaborate with clients — from startups to established businesses — to define the details and specifications of projects, including custom software development, mobile app development, and UX/UI design.

    Clients
    Coca-Cola
    Huckletree
    Nesta
    Mars
    Industries
    Notable Project

    Studio Graphene developed an Android-based application for an IoT startup based in Dubai. The client wanted to build a physical kiosk for customer feedback in the retail sector, and needed digital support due to their smaller staff. Studio Graphene started by building a simple application that included form-based pages and interactive feedback gathering, and expanded into developing a custom CMS and marketing support for the product. The interface won 4 product design awards for the client.

    "We’ve won four different product design awards for the interface, graphic design, and animations. They integrate well with all of our teams and consistently produce high-quality materials." — Founder, IoT Startup

  • 157
    $10,000+
    10 - 49 Employees
    Minsk Belarus

    Adexin, founded in 2012, is a software development company headquartered in Minsk, Belarus, with an additional location in Philadelphia. They specialize in web development, but also provide custom software development and mobile app development. Their 38 employees work mostly with small businesses in the business services, health care & medical, and arts, entertainment & music industries. 

    Clients
    Teledini
    Codewerx
    Navigine
    Blazemeter
    Industries
    Notable Project

    Adexin did multiple development projects for an IT startup. For one project, they needed a service that would allow people to participate in sporting events. For another project, they needed native applications for publishers. Additionally, they needed Adexin’s services for a customer project where the system used a Microsoft stack. The client was happy with the quality of service Adexin provided. 

    “They finished the first project on time, within budget, and without any arguments, which was a nice accomplishment. I was happy with the results of the native apps they created for me. Also, some of the models they built are still being used today.” — CTO, IT Startup

  • 158
    $100,000+
    50 - 249 Employees
    Zagreb Croatia

    We are an award-winning, full-service software delivery agency. As one of Central Europe’s fastest-growing companies, our work spans many industries.

    Agency04 is a 100+ strong team that builds Mobile apps, Web apps & Enterprise backends. You can level-up your productivity with our Test automation, BPM systems & Agile coaching.

    Clients
    Kapsch Carrier
    Iskon Internet
    Siemens
    University of Minnesota
    Industries
    Notable Project

    AG04 provided resources to a continuous delivery software firm to help develop software products, including a software deployment tool. With their expertise in Java, Scala, React, and Angular, they quickly became integral contributors in multiple product lines.

    "They have a lot of domain knowledge and can solve really difficult customer issues." — VP of Product Development, Continuous Delivery Software Firm

  • 159
    $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 

  • 160
    $50,000+
    50 - 249 Employees
    Belfast United Kingdom

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

    Clients
    IBM
    Deloitte
    Rolls-Royce
    Salesforce
    Industries
    Notable Project

    Instil conducted research, design, and testing of several applications, from mobile apps to server architecture for a large Canadian telecommunications firm. They delivered several user and provider-side portals for changing features for telecom customers and improving the consumer experience. The client praised both quick delivery time and high-quality code from Instil's team.

    "Their competitiveness and their intelligence make them stand out from the crowd. Instil’s sheer breadth of knowledge makes their software services very desirable." - Software Architect, Telecommunications Firm

  • 161
    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
    US Transportation Company
    TEDx
    The Recipe Diva
    Clearwire
    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

  • 162
    $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
    NASA
    IBM
    Cisco
    FedEx
    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

  • 163
    $5,000+
    50 - 249 Employees
    Ivano-Frankivs'k Ukraine

    bvblogic is a full-stack web and mobile development company headquartered in Ivano-Frankivsk, Ukraine, with additional offices in Warsaw, Poland; Kiev, Ukraine; and Toronto, Ontario. Founded in 2008, bvblogic's team of around 75 employees specializes in web development, mobile app development, and custom software development. bvblogic primarily works with midmarket and enterprise clients in the business services, consumer products, and advertising industries. 

    Clients
    Netpeak
    Dekra
    MOYO
    Libresse
    Industries
    Notable Project

    A financial startup hired bvblogic to build the core API for its app. The client's goal was to build an app where users could quickly and securely exchange money online. bvblogic used an agile approach and advised the financial startup on the information architecture and systems design. The client appreciated that bvblogic worked similar hours to their team, including some nights and weekends.

    "I have received interesting funding offers from venture capital firms and angel investors. I definitely consider the platform a success." - CEO, Financial Startup

  • 164
    $25,000+
    50 - 249 Employees
    Warszawa Poland

    Decerto is an IT company founded in 2006 and currently located in Warsaw, Poland. They employ 101 industry professionals who offer a variety of digital solutions, including web and mobile applications, outsourcing, software consulting, testing, data migration, and UX design. They work primarily for midmarket and large businesses in insurance, finance and telecommunications.

    Clients
    Warta
    Generali
    Allianz
    Industries
    Notable Project

    Decerto reviewed third-party API docs to custom build and test integration projects for a business services company. Using the client's flagship software, they implemented authentication mechanisms, timeout parameters and data validation. Decerto's templates have significantly reduced the time required for users to accomplish their use case, which has led to multiple customer deals.

    “The team demonstrated keen documentation skills, navigating new territory in a systematic way. The team provided daily updates and tracked their work carefully. The project manager regularly offered helpful advice on how to communicate more effectively using Jira, Slack, and other communication tools.” – Product Manager, Business Services Company

  • 165
    $100,000+
    250 - 999 Employees
    Palo Alto CA

    Zoolatech is a custom software development company founded in 2017 in Palo Alto, Calif. with over 50 employees. They are experts in custom software, e-commerce, and mobile app development solutions for clients in the industries of retail and advertising.

    Clients
    Nordstrom
    Stanford Magazine
    Zeacon
    Industries
    Notable Project

    Zoolatech developed a software solution for a financial services firm. The firm needed the solution built using Ruby on Rails, MySQL, and React to increase development capacity. Zoolatech’s work has met the expectations of the firm thus far.

    “Their ability to customize their offerings to meet our needs stands out.” - VP Engineering, Financial Services Firm

  • 166
    $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
    Costco
    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

  • 167
    $25,000+
    50 - 249 Employees
    Curitiba Brazil

    Snowman Labs is a mobile development firm in Curitiba, Brazil. Established in 2012, they have just under 30 employees that serve a range of clients in a variety of sectors. Services include mobile app development, custom software development, and UI/UX design.

    Clients
    SEBRAE Canvas
    VHSYS
    TCP
    Industries
    Notable Project

    Snowman Labs developed a mobile app prototype for a large-scale auto manufacturer. The client wanted to demonstrate their paperless technology at a trade fair, for which Snowman Labs built an offline version as proof of concept. The client appreciated their team's ability to work on short deadlines and remain highly communicative throughout the process.

    "Snowman Labs has been able to give us a solution, exactly the one we were waiting for. They are very patient and they really listened and took notes about our requirements." — Production Manager, Auto Manufacturer

  • 168
    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
    Vermont Judiciary
    LabNetwork
    TruQC
    Sappi
    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 

  • 169
    $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
    O'KEY
    Agora Freight
    Safe City
    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

  • 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
    Prime Principal
    AP16 Limited
    Pizza Hut
    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
    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."

  • 172
    $25,000+
    250 - 999 Employees
    L'viv Ukraine

    Perfectial is a software development company with 224 employees, established in 2010. They are headquartered in Lviv, Ukraine, with offices in Kyiv, Ukraine, Ivano-Frankivsk, Ukraine, London and Boston. They offer services in web development, custom software development, IT staff augmentation, and blockchain. Their clients are largely midmarket and enterprise companies, with focuses in advertising and marketing, IT, and financial services.

    Clients
    RealNex
    BuzzTarget
    DataXu
    Cove Financial
    Industries
    Notable Project

    Perfectial increased software reliability and scalability for an online advertising software company. Their ongoing work with the client includes software and web development, API development, and reporting development. The client appreciated Perfectial’s collaboration and high-quality work.

    “The general feedback has been that they are extremely efficient at getting work completed and out the door.” – CEO, Online Advertising Software Company

  • 173
    $50,000+
    50 - 249 Employees
    Atlanta GA

    MaxMedia is an experience design company that was founded in 1996 and is located in Atlanta. They employ 68 staff experienced with delivering provocative content and interactive experiences to small, midmarket, and global companies, typically in media, retail, and telecommunications. Services include UI and UX design, 3D graphics, custom software development, and storytelling.

    Clients
    AT&T
    Tempur-Pedic
    Smithsonian
    Industries
    Notable Project

    MaxMedia provided full-package e-commerce development, building a healthcare company's mobile-responsive website, mobile app, and kiosk software. This involved several rounds of research and user testing. Conversion rates for the client have risen significantly after implementing the digital platforms. 

    “We've drastically increased conversion rates for the digital platforms, reduced bounced rates and with an extensive suite of data acquisition tools deployed improved retention rate to lead the industry.” – CMO & Sales Officer, Healthcare Company

  • 174
    $5,000+
    10 - 49 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
    Kühl
    LifeTripper
    MoneyPocket
    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
     

  • 175
    $10,000+
    50 - 249 Employees
    L'viv Ukraine

    Romexsoft is a software development and AWS managed services provider, headquartered in Lviv, Ukraine. Established in 2004, they have more than 50 employees and serve mostly midmarket customers in the fintech, healthcare, and media industries. They specialize in Cloud Application Development, AWS Cloud Migration, Application Modernization, DR infrastructures on AWS, Java Development, Software QA &Testing, DevOps Services, 24x7 AWS Support.

    Clients
    SavvyMoney
    Colorjinn
    Synadia Software
    TherapyBOSS
    Industries
    Notable Project

    Romexsoft developed a therapy system for the use of home health space companies to operate in all aspects of their activity. The team coded in Java and built versions for iOS and Android. AWS was chosen as a web hosting provider which is fully managed by Romexsoft.

    “The success of the product speaks for itself. We are far ahead of our competition in terms of features, usability, and overall strategic direction. The team at Romexsoft has added to our internal strength. Together, we have been an unmatched combination.” - Founder & CEO, Healthcare Technology Firm "

  • 176
    Undisclosed
    50 - 249 Employees
    București Romania

    Founded in 2004, Roweb Development is a software development company headquartered in Bucharest, Romania. They also have four other locations in Romania and a team of 110 employees who offer custom software development, web development, mobile app development, web design, and UX/UI design services.

    Clients
    Teilor
    Porsche Bank
    Tourpaq
    Digiconsul
    Notable Project

    Roweb Development created an Android mobile app for a safety and compliance company. The team also built a webpage using PHP, and provided maintenance support for both products. They communicated well and delivered streamlined solutions. 

    “The feedback from the users is very positive.” – Designer, Safety & Compliance Company

  • 177
    $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
    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 

  • 178
    $10,000+
    50 - 249 Employees
    Kraków Poland

    Codibly is a consulting and software development company based in Krakow, Poland. Founded in 2011, the team of 29 specializes in custom software development, web development, and mobile app development.

    Clients
    MyShowcase
    KiWi Power
    PA Consulting Group
    Industries
    Notable Project

    Codibly worked on an online platform for an insurance firm. Within a two-week period, they utilized existing wireframes to create a usable product. The client was impressed with the quality of work they delivered.

    “The quality is extremely high and the turnaround was very fast. If we had any issues, Codibly provided a solution. They’re exactly the kind of project team I needed, and the functionality and reliability of the portal is solid.” – Open Market and Facultative Manager, Insurance Firm

  • 179
    $25,000+
    50 - 249 Employees
    Corona CA

    Codebay is a software firm founded in 2014 and based in Corona, Calif. With more than 10 members, they are experts in custom software development, mobile app development, and application management and support solutions for both small and mid-market firms.

    Clients
    BanBajio
    Omnilife
    Picktrace
    Industries
    Notable Project

    Codebay developed a cloud-based platform for a research ethics center. Codebay not only provided development services for the platform’s mobile apps but also designed the platform’s logo. The system helped automate what was previously manual operations.

    “The result was so effective that to this day we continue to develop with them.” - Managing Director, Research Ethics Center

  • 180
    $50,000+
    50 - 249 Employees
    Sofia Bulgaria

    Melon is a software development agency that has offices in Sofia, Bulgaria and Skopje, Macedonia. Since 2003, the agency and its team of about 155 have specialized in web development and mobile app development, but also provide custom software development, app testing, and IT strategy consulting. Melon works primarily with midmarket businesses 

    Clients
    TimeHeroes
    Bookatable
    NIF
    Telenor
    Notable Project

    Melon provided software development for a mobile gaming platform. The client was extremely pleased with Melon's communication and project management.

    "They [Melon] have developed a countless number of features on the platform, and I have been mostly satisfied with their work." - Founder, Mobile Gaming Platform

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