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

  • 121
    Undisclosed
    250 - 999 Employees
    Princeton NJ

    Artezio is a software development company headquartered in Princeton, N.J. with 3 offices in Belarus: Minsk, Vitebsk, & Mogilev, 3 offices in Russia: Moscow, Nizhny Novgorod, & Saratov, and 1 in Rosenheim, Germany. The agency's team of 311 offers a wide range of services like custom software development, web development, mobile app development, application testing, and more for clients of various sizes.

    Clients
    Microsoft
    Samsung
    PepsiCo
    Philip Morris International
    Industries
    Notable Project

    Artezio was hired by a healthcare company to develop an Android app and upgrade an existing iOS app. 

    "We've done multiple projects with them because we've been so impressed with everything they've produced for us." – CEO, Healthcare Company

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  • 122
    $25,000+
    50 - 249 Employees
    L'viv Ukraine

    Full-cycle software solutions provider INOXOFT is based in Lviv, Ukraine. Founded in 2014, their team of 76 specializes in web and custom software development for clients in the e-commerce and information technology industries.

    Clients
    TOSHIBA
    NIVEA
    Vestel
    University of San Diego
    Industries
    Notable Project

    INOXOFT developed a WordPress website for a marketing company. They provided different templates and functionalities for the client to choose from. While the website hasn't launched yet, the client already thinks it is better than its previous. 

    "They were very good at following their timelines. There were no problems throughout the process. We are very happy to work with them again."–Founder, Marketing Company

  • 123
    $10,000+
    50 - 249 Employees
    Irvine CA

    Based in Irvine, Calif., Ardas, a software development company founded in 2005, works primarily within the financial services industry for enterprise and midmarket clients. With a team of around 250 in the UK, Israel, Ukraine, and Paris, Ardas utilizes .NET, ASP.NET, and Java to meet client project objectives.

    Industries
    Notable Project

    Ardas began a partnership with an online trading platform to develop software for a lucrative financial control system. They bridged the gap between an online trading database and multi-level marketing to grow the traffic of the client’s site.

    “They’re a leading-edge company in their field. I wouldn’t raise them to the clouds, but I also wouldn’t raise anyone above them. They’re one of the best companies you can work with.” – Chief Product Officer, Online Trading Platform

  • 124
    $75,000+
    250 - 999 Employees
    Medellín Colombia

    Perficient Latin America (formerly PSL) is a software engineering company that was founded in 1986. With locations in New York; Medellín, Colombia; and Mexico City, Perficient Latin America has more than 650 employees. They specialize in custom software development, big data consulting, cloud consulting, system integration, and web development. Perficient Latin America supports mid-sized and enterprise clients across a range of industries.

    Clients
    Fortune 500/Large: IPG
    Deloitte
    Flex
    MuleSoft
    Industries
    Notable Project

    Perficient Latin America built a marketing web application for a sales software firm. The client valued Perficient Latin America's ability to program flawless, bug-free code thanks to their high level of expertise in development. To support the client and maintain quality assurance, Perficient Latin America continues to provide ongoing maintenance and support.

    "The developers are very careful to deliver a quality product from the start. The QA engineers don’t let errors slip through. It’s been a good, high-quality experience so far." – Vice President of Development, Sales and Marketing Software Firm  

  • 125
    Undisclosed
    10 - 49 Employees
    Austin TX

    Eureka is a custom software and technology engineering firm based in Austin, Texas. Founded in 1986, Eureka's has about 20 employees that primarily focus on midmarket businesses in the telecommunications sector. Services include custom software, mobile app development, and UX/UI design.

    Clients
    3M
    AMD
    AT&T
    Chevron
    Industries
    Notable Project

    Eureka was hired by a computer software firm to supply database and backend development through Python, C++, and Lua, among other coding languages. The client received a large amount of positive feedback on the product's reliability, scalability, and ability to handle heavy load volumes.

    "They have some very talented developers on their staff."  –  Software Department Manager, Computer Software Firm

  • 126
    $25,000+
    50 - 249 Employees
    Artesia CA

    Radixweb is a software development company based in India. Founded in 2000, the team of 350+ has worked with over 2,500 clients with their software development and web development needs. 

    Clients
    XEROX
    Cnet
    Ricoh
    Shutterfly
    Industries
    Notable Project

    An environmental software startup hired Radixweb to build their software to measure emissions from smokestacks. The software that Radixweb created met the client's goals and was easy to install. The client felt that Radixweb was professional and patient, and was happy with the work that they created.  

    "[Radixweb] did an excellent job and gave us exactly what we hoped for. It fulfills all our requirements. It’s easy to install, highly technical, and very accurate." – CEO, Environmental Software Company

  • 127
    $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
    Diageo
    Nesta
    Harth
    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

  • 128
    $10,000+
    10 - 49 Employees
    Kentwood MI

    Mutually Human is a custom software development company founded in 2006. The small Kentwood, Michigan-based team specializes in custom software development, mobile app development, and web development.

    Industries
    Notable Project

    A humanitarian organization hired Mutually Human to develop a custom media tracker. The custom software served as an online tool for organizing, tracking, and storing data about media coverage.

    "I was grateful to not only receive the final product but actually walk away with an understanding of how it worked."

  • 129
    $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
    Volvo
    RCI Bank
    University of Central Florida
    Inspired Performance Institute
    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

  • 130
    $1,000+
    250 - 999 Employees
    Lumberton NJ

    Miles Technologies is an IT and software firm founded in 1997 and headquartered in Moorestown, N.J. With an additional office in Philadelphia, they operate with a team of over 300 employees to provide various services, including custom software development, mobile app development, and cloud consulting and SI. Their clientele consists of small, midmarket, and enterprise companies within the business, financial, or health care industries. 
     

    Clients
    Kramer Beverage
    Gauze
    US Sedan
    Industries
    Notable Project

    Miles Technology built a website for a private career school. They created and implemented a functional website from scratch, and then proceeded to provide SEO, Google Ads, and Facebook management for the client. This raised awareness for the career school and boosted traffic on their website.

    “Results started to build over a six-month period, and we met our end-of-year goals. In the second year, we started to exceed our first year goals and pinpoint our target market.” – CEO, Private Career School
     

  • 131
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria

    Bianor is a software development company established in 1998. They also have offices in New York and Sofia, Bulgaria. Their team of 30+ designs and develops software solutions for technology, media, and telecommunication companies. Their software specialization includes image processing, video streaming, real-time broadcasting, encryption/decryption of video signal, and data transfer. 

    Clients
    NATO
    IBM
    Procter & Gamble
    Sunbird
    Industries
    Notable Project

    A medical technology startup contracted Bianor for outsourced Android development. After assessing prototypes of the client's Bluetooth medical devices, they created the app. The app used BLE 4.0 chips to visualize incoming data from the client's hardware and display it on mobile devices. Internal stakeholders praised Bianor for their professionalism and dedication.

    "I appreciate the fact they provided excellent service regardless how small our project or how much we’re paying them. " – Co-Founder, Medical Device Agency 

  • 132
    $25,000+
    1,000 - 9,999 Employees
    Reston VA

    Kellton Tech Solutions is a global IT outsourcing firm headquartered in New Brunswick, New Jersey, and has development and technical centers in McLean, Va. Gurgaon, India, and Hyderabad, India. Founded in 1993, they have over 850 employees. Their specialties include, custom software development, ERP, IT strategy, and IT managed services.

    Clients
    Financial Services - PNC Bank
    BNP Paribas
    Paytm
    Clix Capital
    Industries
    Notable Project

    Kellton Tech Solutions rebuilt a web and mobile application for a courier management software firm. They delivered native mobile apps and a web-based host platform. The ratings of the new apps have improved considerably, and there have been far fewer performance issues since bringing them on.

    "They’ve done very well. There have been moments of high-stress emergency but that’s not attributed to them. They were handed a project written with old code and many issues." – Project Manager, Delivery Software Firm

  • 133
    $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

  • 134
    $10,000+
    50 - 249 Employees
    San Francisco CA

    AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

    Clients
    HP
    Lenovo
    CVS
    Chevron
    Notable Project

    AirDev worked on web development for a travel platform. They guided the client through a planning phase for the site, then used those designs and decisions to develop the site fully. The client was impressed with the finished site.

    “AirDev put our prototype in front of users quickly, which exceeded my expectations. They delivered a quality product at a reasonable price.” – CEO, Travel Platform
     

  • 135
    $10,000+
    50 - 249 Employees
    Hudson OH

    Taazaa Inc. is a Cleveland-based software agency founded in 2007 with over 50 experts. They offer custom software, web, and mobile app development solutions for clients ranging from small businesses to large firms in the fields of health care, education, and real estate.

    Clients
    PulseBox
    Caring24
    Malley’s Chocolates
    Lachina
    Industries
    Notable Project

    Taazaa Inc. developed a custom software solution for a building and restoration services firm. The solution was a full CRM system that coordinated scheduling, managed photos, and more. Taazaa Inc. provided the solutions that the firm was looking for.

    “They’ve created something that’s intuitive and easy to work with.” - Executive, Building and Restoration Services Firm

  • 136
    $25,000+
    250 - 999 Employees
    Corte Madera CA

    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.

    Clients
    Inflection
    Cordial
    Statline
    Amplience
    Industries
    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

  • 137
    $10,000+
    250 - 999 Employees
    Katowice Poland

    JCommerce is a software company based in Katowice, Poland, with offices in six other cities in Poland. Founded in 2005, the team of 318 specializes in custom software development, IT staff augmentation, and BI and big data consulting and SI. They work primarily with midmarket, focusing on information technology, manufacturing, and financial services.

    Clients
    Aras Corp
    Backbase
    Boozt
    Bystronic
    Industries
    Notable Project

    JCommerce worked on insurance platform development for an IT transformation company. They provided long-term web and mobile platform development services. They also built a new platform using Java architecture on the backend and JavaScript on the frontend. The client was impressed with the results of the project.

    “We went live with the system and it’s now used by the end customer of leading insurance companies, which is significant a factor of success.” – Engineering Project Lead, IT Transformation Company

  • 138
    $10,000+
    50 - 249 Employees
    Lviv Ukraine

    Sombra is a web and mobile development company based in Lviv, Ukraine, that was established in 2013. Their team of 88 employees provides custom software, web, and mobile app development.  

    Clients
    ZappySales
    Wiser Investments
    Divido
    RenewAge
    Industries
    Notable Project

    Sombra revamped a video streaming platform for a media company. Their team added new features, including a broadcast scheduler and cross-platform streaming. Their work eliminated errors and boosted traffic.

    "Within the last year, our users haven’t had any crashes, even when there were high traffic loads."– Director, Streaming Service 

  • 139
    $50,000+
    1,000 - 9,999 Employees
    Leeds United Kingdom

    Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients. 

    Clients
    Euroclear
    Barclays
    Xerox
    BBC
    Industries
    Notable Project

    After BJSS worked on automating a grocery store's software system, they later redesigned their e-commerce platform and built product scan tools. The agency delivered everything on time. The client prides BJSS on tackling such a hard project with intense passion.

    "They're very straightforward, and they're very matter of fact. They tell you as it is, without dressing it up and without making drama of it." – Head of IT Delivery, Retail Grocer

  • 140
    $100,000+
    50 - 249 Employees
    Hingham MA

    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. 

    Clients
    Netflix
    Apple
    Nasdaq
    McGraw-Hill Education
    Industries
    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

  • 141
    $10,000+
    250 - 999 Employees
    Mckinney TX

    Arbisoft and its team of 300+ employees is a full-service software development company with a homebase in McKinney, TX. With other offices in Malaysia, Pakistan, and Australia, the company has a large of portfolio of Fortune 500 clients.

    Clients
    edX
    KAYAK
    Indeed
    Stanford
    Industries
    Notable Project

    A learning platform wanted to develop a learning development app and hired Arbisoft. The app aimed to raise awareness about sustainable development and how local organizations can benefit. The project included everything from design to execution. The client was extremely impressed with how Arbisoft executed.

    “I couldn't be more pleased with the Arbisoft team. Their engineering product is top notch, as is their client relations and account management. From the beginning, they felt like members of our own team – true partners rather than vendors.” – CEO, learning development platform

  • 142
    $10,000+
    10 - 49 Employees
    Wimborne United Kingdom

    Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.

    Clients
    Electrolux
    Virgin Atlantic Airways
    Investec
    American Express
    Industries
    Notable Project

    Ballard Chalmers developed an online investor onboarding platform to help make key processes such as fund launches faster and more cost-effective. The Azure-hosted web application was built using ASP.NET MVC, C#, SQL Server, TSQL, AngularJS, Bootstrap and SSRS. In only the first year it reached 20,000 active profiles.

    "Our standard process is to use Ballard Chalmers as a sounding board for technical designs. Whether we’re asking them to do the work or not, they still come back and help us make sure we’re making the right technical choices." - Head of IT, Financial Services Company

  • 143
    $10,000+
    250 - 999 Employees
    Nashua NH

    A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.

    Clients
    Golflogix
    Volkswagen
    Microsoft
    Harvard University
    Industries
    Notable Project

    Zco developed an app for both iOS and Android to showcase the products of a large electrical parts manufacturer. Their prompt turnaround and response time, competitive pricing, and immaculate deliverables resulted in an experience that was “overwhelmingly positive.”

    "Their technical expertise is spot-on and they're highly responsive, even post-launch." – Senior Product Manager, Manufacturing Company

  • 144
    $50,000+
    10 - 49 Employees
    East Sussex United Kingdom

    Bright Interactive is a software development company Based in East Sussex, United Kingdom, that was founded in 1999. Their team of 32 provides custom software development, web development, UX/UI design. 

    Clients
    Flight Centre
    Amnesty International
    Goway Travel
    Unilever
    Industries
    Notable Project

    Bright Interactive provided development services for a digital asset management firm. Their team at Bright Interactive customized interfaces and helped deploy backup servers. Their work received significant positive feedback from executives.

    "Everything has been highly successful. Our main performance metric is whether or not our end clients have been happy with their solutions. They have been in every single instance."–Founder & CEO, Digital Asset Management Firm

  • 145
    $25,000+
    10 - 49 Employees
    Cincinnati OH

    Gaslight is a small software development firm. They focus on custom software development, ux/ui design, and product design and were launched in 2009.

    Industries
    Notable Project

    Gaslight provides development services for an edtech startup. The team has completed designing a clickable prototype using Adobe, and they’ll be working further to develop the actual software. 

    “The team exceeded expectations and received nothing but good feedback.”

  • 146
    $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
    Sophia Laboratories
    Ekar De Gas
    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

  • 147
    $25,000+
    50 - 249 Employees
    L'viv Ukraine

    DevCom is a web development company that was founded in 2000. The company is headquartered in Lviv, Ukraine, has a second office in Port Orange, Fla., and consists of 105 employees. They specialize in web, custom software, and mobile app development. 
     

    Clients
    DevCom provides complex and cost-effective yet best Managed IT Solutions for large enterprises
    SME
    independent software vendors and specializes in a broad range of industries including Healthcare
    Finance
    Industries
    Notable Project

    DevCom helped a tech firm design and implement software. They collaborated together on multiple projects over several years, which included work in SQL, HTML, and cloud-based services. The client was pleased with their sophisticated and cost-effective solutions. 

    “They have a good understanding of development and design and they create useful programs for our users.”  CEO, Tech Firm
     

  • 148
    $10,000+
    250 - 999 Employees
    New Town India

    Capital Numbers is a digital production outsourcing company headquartered in Kolkata, India, with additional locations in Beerwah, Australia, Dover, Del., and the U.K. The company was founded in 2012, and has a team of nearly 300 people who provide web development, custom software development, mobile app development, and e-commerce development. They provide services mostly to mid-market businesses, but also to enterprise and small businesses. The businesses they serve are in different industries including the advertising & marketing, business services, and financial services industries.
     

    Clients
    Consumer Reports
    Fundation
    Thomson Reuters
    HelloBar
    Industries
    Notable Project

    Capital Numbers provided staff augmentation, WordPress development, and site design for a digital agency. The client wanted to integrate the Capital Numbers team into their internal operations; During the partnership, Capital Numbers had to learn the client’s processes. The client stated that Capital Numbers’ services have made them more productive and efficient.

    “Their team has helped us get numerous projects over the finish line with their quality execution and attention to detail. We’ve launched sites they built from scratch using our process and custom code base and they’ve helped us build internal tools as well.” — VP of Operations, Digital Agency
     

  • 149
    $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

  • 150
    $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

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