Top 30 Custom Software Development Companies

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.

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.

Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

CSHARK is a software and product development company that helps enterprises with digital transformation and start-ups translate ideas into products. Founded in 2014, it currently has over 300 mid and senior developers on board. CSHARK creates web and mobile apps from scratch and consults companies from FinTech and RegTech sectors. According to the Financial Times ranking in 2019 and 2020, we were among the fastest-growing companies in Europe.

WeSoftYou is a web and mobile development company of 50 employees. Their headquarters is in Kiev, Ukraine, with a secondary location in Santa Monica, Calif. Founded in 2016, they offer web development, mobile app development, and custom software development. They primarily serve small and midmarket businesses in the healthcare, education, IT, and real estate industries.
 

Ronas IT is a midsize mobile application development company. Established in 2007, the company is located in Tallinn, Estonia. Their team offers mobile app development and web development.

Scalo is a software solutions company based in Wroclay, Poland. The company, founded in 2007, has around 500 employees and provides custom software development, IT staff augmentation, web development, application testing, and IT strategy consulting services. Scalo serves mid-market and other-sized companies in various industries that include financial services, IT, and manufacturing.

Pell Software is a custom business software developer based out of Denver. Founded in 2019 and with about 5 team members, they focus on custom software development and website development mainly for small businesses in manufacturing, e-commerce, automotive, and financial industries. 

Ingsoftware is a full-cycle software development company from Southern Europe with representatives in Austria, Netherlands, United States, and Zimbabwe. Founded in 2009, they are now over 100 people strong, and provide product development services: discovery & consulting; web and mobile development, UI/UX design, and support & maintenance. Ingsoftware works with enterprise organizations and startups from fintech, precious metals, IoT & wearables, and automotive industries.

Empat is a digital agency based in Kyiv, Ukraine, and founded in 2013. With no more than 50 professionals, they provide e-commerce, web, and mobile app development solutions for clients in the industries of financial, dental, and healthcare services.

OAK'S LAB is a full-service digital product development agency and startup ecosystem based in Prague and San Francisco. Since their inception in 2016, the team has scaled to 70 employees and built 31 startups with a valuation of $750 million. They offer services in product management, UI/UX design, engineering, DevOps, and QAC. 

Emergent Software is a Minneapolis-based technology solution provider that was founded in 2015. Its notable proficiencies have an emphasis on custom software development, mobile app development, and web development. The team features 10-15 full-stack developers, SQL Server DBA’s, graphic & UI designers, and project managers. Additional areas of expertise include SharePoint, Salesforce, and SQL Server consulting and database administration.

Neologic Software is an IT company in Northbrook, Ill. Founded in 2018, they have about 4 employees that serve small-business and midmarket clients in a wide range of sectors. Services include custom software development and business consulting.

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.

ScaleFocus is an IT solutions consultancy based in Sofia, Bulgaria. Founded in 2012, ScaleFocus has more than 700 employees that primarily provide a diverse client base with custom software development, big data and BI, and e-commerce solutions.

Small app development firm Qualhon Informatics, is located in Mohali, India. The team provides mobile app development, web development, video production, web design, and more.