Top 100 Cross Platform App Development Companies

Founded in 2010, United Ideas is a software development agency that has been offers custom software development, mobile app development, and web development services to their enterprise, small business, and mid-market clients. The team of 259 works with clients in the arts and entertainment, consumer products, and marketing and advertising industries. UI is based out of their offices in Warsaw, Dubai, Oslo, Zurich, and Dublin, Paris, London, Stockholm, Berlin, Amsterdam, Copenhagen, Helsinki, and Farmington, Calif.

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.

Located in Barcelona, Spain, Onabitz is a small application development firm. They provide mobile app development, ux/ui design, e-commerce development, and web development and were founded in 2017.

Goldfish Code is a web and app development company based in New York and Sacramento, Calif. The company was founded in 2014, and their 50-person team develops mobile apps, custom software, and websites.

AppVin Technologies Private Limited is an IT staff augmentation company. The Leiden, Netherlands-based firm was launched in 2021. The midsize team offers IT staff augmentation, IT strategy consulting, web development, mobile app development, and more.

Website development company JINA CODE SYSTEMS was founded in 2024. Their small team is headquartered in Gurugram, India. Their services include Web Development, Mobile App Development, Artificial Intelligence, and AI Consulting.

NetLabCS is a digital agency in Moscow, Russia. Founded in 2010, they have about 10 employees that serve small-business and midmarket clients in the business, consumer products, and financial industries. Services include custom software development, web design, and UI/UX design.

Launched in 2013, Instance IT Solutions is a SEO agency. They are in Surat, India and have a midsize team. Their services include search engine optimization, social media marketing, pay per click, digital strategy, and more.

Ehecatl is a development company in Veracruz, Mexico. Founded in 2009, they have about 15 employees that serve mostly enterprise and small-business clients in the business, education, and IT sectors. Services include mobile app development, custom software development, and web development.

LowCode Agency is a software development firm based in Sheridan, Wyoming. They provide custom software development, web development, and mobile app development and were launched in 2015.

Raccoon Gang is an online learning solutions agency founded in 2015 with offices in Miami and Tallin, Estonia. Raccoon Gang's team of nearly 50 employees offers solutions in web development, mobile app development, IT strategy consulting, and e-learning products. Raccoon Gang specializes in building Open EdX ecosystems and technological R&Ds.

Digicorp Information Systems Pvt. Ltd. is a software consultancy and digital studio that is headquartered in Austin, Texas. Founded in 2004, this team of 118 delivers UX/UI design services and builds both web and mobile apps.

Rocket Farm Studios, an app development firm, was launched in 2008. In Needham, Massachusetts; Needham, Massachusetts and Providence, Rhode Island, their small team focuses on Mobile App Development, AI Consulting, Mobile & App Marketing, UX/UI Design, and more.

Fleapo is a custom software development company launched in 2015. The small team offers Custom Software Development, Mobile App Development, Artificial Intelligence, and IT strategy consulting. The firm is in London, England; Tallinn, Estonia; Singapore and Toronto, Canada.

Blue Whale Apps is a boutique web and mobile app developer based in Boca Raton, FL, with offices in Virginia, New York, and Washington, DC. These 10+ experts have been providing digital solutions to small and mid-size businesses since 2006.

Helm Experience & Design is a design firm that is located in Buffalo, N.Y. Founded in 2014, they have about 6 employees that do custom software development, web design, mobile app development, UX/UI design, and web development. Most clients are small businesses. 

Softroids is a web and mobile development company based in Wrocław, Poland. Since 2017, the 5-person team has developed mobile apps and websites for small businesses in the IT space. 

Custom software development firm SHIP IT Inc. Is headquartered in Washington, District of Columbia. They provide custom software development, mobile app development, ux/ui design, and IoT development and were launched in 2022.

Krootl is a mobile app development company. The small Kyiv, Ukraine-based company was established in 2018. Their services include Mobile App Development, Web Development, Application Management & Support, and AR/VR development.

Software development firm Radixweb was established in 2000. Located in Frisco, Texas; Ahmedabad, India; Calgary, Canada and Melbourne, Australia, their midsize team offers Custom Software Development, Web Development, Mobile App Development, Low/No Code Development, and more.

Gorazdo Studio is an UX company. Their small team is located in Amsterdam, Netherlands and focuses on ux/ui design, web development, web design, product design, and more. The firm was founded in 2018.

Digiprima Technologies is a custom software development company. They specialize in Custom Software Development, Product Design, BI & big data consulting & SI, IT managed services, and more and were launched in 2016. The agency is based in New York, New York; Indore, India; Pittsburgh, Pennsylvania and Columbus, Ohio.

Cartoon Mango is a design and development studio based in Bangalore, India. Founded in 2014, the team of 64 specializes in UX/UI design, mobile app development, and web development. They work mainly with small business clients, primarily in the consumer products and services industry. 

Mobikul is a mobile app development company launched in 2010. Their midsize team is in Noida, India and focuses on mobile app development, other application development, and AR/VR development.

Qunabu Interactive is a creative software company founded in 2010. With headquarters in Gdańsk, Poland, and offices in Glasgow, U.K., Qunabu Interactive has a team of 10. They offer a number of services including web development, custom software development, and mobile app development. They mainly focus on working with small businesses within the advertising, education, and entertainment industries. 

Founded in 2014, Lead IT Team is a software development firm that offers web development, mobile app development, and e-commerce development services to their clients. Their 50 employees are based out of Kyiv.

Website development company Tuxon is headquartered in Curitiba, Brazil. The company focuses on web development, mobile app development, and IT strategy consulting and is small.The company was launched in 2004.

WTT Solutions is a software agency founded in Kyiv, Ukraine with more than 10 members. They have offered web development, custom software development, and UX/UI development solutions since their founding in 2016. They mainly work with small businesses.

ADWEB STUDIO is an user experience design company. Established in 1999, the team offers ux/ui design, content marketing, digital strategy, mobile app development, and more. Their midsize agency is in , .

Web development company Dinarys GmbH was founded in 2014. With its headquarters in Berlin and an office in Dnipro, Ukraine they have a team of 43. They offer e-commerce development and web development services. They focus on small businesses within the retail, real estate, and entertainment industries.