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.

Fulcrum is a development company based in Kyiv, Ukraine. Founded in 2018, they work primarily with midmarket businesses in the business services, consumer products, and gaming industries. With 18 team members, their services include custom software, web, and mobile app development.

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.

AnyforSoft is a software development company with a major presence in Florida. Founded in 2011, it has delivered over 150 projects for businesses in Media & Entertainment, Sport, E-Learning, Education, E-commerce, and FinTech industries. Their services include web and mobile development, UI/UX design, project discovery, maintenance and support, and team extension. AnyforSoft is a customer-oriented company that builds professional product development teams that care. Their mission is to empower SMEs with digital transformation in the new economy via Python, Drupal, and React technologies. 

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.

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. 

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. 

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.

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.

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.