Top 100 Cross Platform App Development Companies

Ptolemay is a software company based in Walnut, Calif. with more than 10 employees. Founded in 2017, they provide custom software, web, and mobile app development solutions to small and mid-market companies in the fields of financial services, education, and arts.

WDI - A Mobile App Development Company is an app development firm founded in 2001. The agency offers Mobile App Development, Artificial Intelligence, Custom Software Development, and Web Development and has a midsize team.

Founded in 2007, Fleye is a product design company. Their midsize team is based in Porto Alegre, Brazil and Madrid, Spain and focuses on product design, custom software development, and IT staff augmentation.

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.

EB Pearls is a mobile app development company headquartered in Sydney, Australia with offices in Melbourne, Australia and Lalitpur, Nepal.  EB Pearls is comprised of 132 employees that specializes in e-commerce development, UX/UI design, mobile app development, and web development. Founded in 2005, the company works with enterprises, small businesses, and middle-market companies across industries such as retail, telecommunications, business services, arts, entertainment, and music, government, and non-profit.

SpdLoad is a Kharkiv, Ukraine-based software solutions company. It was founded in 2013 and currently has a team of 20 employees. SpdLoad provides a range of services including BI & big data consulting & SI, web development, internet of things development, custom software development. Most of their clients are small businesses. 

CrustLab is a web and mobile app agency founded in 2017 and based in Kraków, Poland. Their team of more than 10 provides custom software, web, and mobile app development services for clients that work in the industries of gambling, financial services, and business services.

Established in 2011, iConnect info solutions pvt ltd is a web development firm. They are headquartered in Navi Mumbai, India and London, United Kingdom and have a small team. Their services include web development, IT staff augmentation, mobile app development, and cloud consulting & SI.

Q agency is a software development firm founded in 2013. Based in Zagreb, Croatia, the company has additional offices in Oslo, Zürich, Belfast, U.K., Toronto, and Los Angeles. With a team of 120+ employees, they specialize in web development, UX/UI, custom software development, and mobile app development. 

Established in 2017, DianApps is an application development company. They are in ST. Petersburg, Florida; Jaipur, India; Gurugram, India and Mindarie, Australia and have a midsize team. Their services include Mobile App Development, CRM consulting and SI, Web Development, AR/VR development, and more.

Brainhub is a software development firm. They offer Custom Software Development, Mobile App Development, and Enterprise App Modernization and were founded in 2015. Their midsize team is headquartered in Gliwice, Poland; Warszawa, Poland; Bielsko-Biała, Poland and Kraków, Poland.

Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.

Apex Labs is a small application development firm. Based in Prague, Czech Republic, the agency was launched in 2019. Their services include mobile app development, custom software development, e-commerce development, IoT development, and more.

Webskitters LLC is a software company headquartered in Miami, Fla. Founded in 2010, Webskitters LLC has a team of around 125 employees who specialize in web development, mobile app development, and mobile app modernization, primarily for small business clients.

Morrow formerly known as App Sapiens is a development firm based in Bristol was founded in 2019. With less than 10 members on their team, they offer web and mobile app development as well as IT strategy consulting assistance to small businesses, using languages such as JavaScript and frameworks such as React Native, NodeJS, and ReactJS.

Launched in 2013, Innostax Software Labs Pvt LTD is a software development firm. Their small team is headquartered in Gurugram, India. Their services include custom software development.

Launched in 2003, Trango Tech is a. The midsize team specializes in. The company is based in San Jose, California and Salt Lake City, Utah.

Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

Appventurez is a software development company that was founded in 2018. With a team of 64 employees, they have offices in Noida, India, San Jose, Calif., Johannesburg, and Doha, Qatar. Their main service lines are mobile app development, web development, and blockchain.  

Confianz Global is an IT solutions firm based in Charlotte, N.C. with a development center in Kerala, India. They were founded in 2008 and grew rapidly to 55 employees. Confianz provides a wide range of options for business technology, including ERP consulting & software integration, mobile development, web development, and e-commerce development. 

Iteo is a Poland-based digital product agency that specializes in mobile app development, web development, mobile platforms, frameworks and CMS platforms, programming and scripting, and UX/UI design. Established in 2011, the agency works with small, mid-market, and enterprise clients across a variety of industries including financial services, consumer products and services, and business services. The agency is comprised of about 25 specialists.

Devstringx Technologies is a midsize software development company headquartered in Lewes, Delaware and Noida, India. They provide Custom Software Development, Mobile App Development, IT staff augmentation, AR/VR development, and more and were founded in 2013.

UPCORE, an app development company, was established in 2016. The midsize Barangaroo, Australia-based team offers Mobile App Development, Artificial Intelligence, and Web Development.

AppTailors is a mobile app agency based in Poznań, Poland, and founded in 2018. With more than 10 members, they specialize in mobile app development and IT strategy consulting for small businesses in the fields of business and financial services.

From Minneapolis, Minn., MentorMate has expanded to Sweden and Bulgaria. Founded in 2001, MentorMate is a custom software development company that also has experience in strategic consulting, cloud services, and Internet of Things (IoT).

Xenia Tech is a development agency founded in 2017 with fewer than 50 members. Based in Da Nang, Vietnam, they are experts in web development, mobile app development, and web design for small businesses in the fields of IT, business services, and advertising.

MindInventory offers expert web, mobile app, and e-commerce development from headquarters in Gujarat, India. The mobile app development company has grown to over 110 employees since being founded in 2011. Most of MindInventory’s small business, midmarket, and enterprise client work in gaming, IT, and in arts, entertainment, and music.

Kyanon Digital, a mobile app development firm, is based in Ho Chi Minh, Vietnam; Singapore, Singapore and Ho Chi Minh, Vietnam. Established in 2012, the midsize team provides mobile app development, e-commerce development, custom software development, enterprise app modernization, and more.

Jploft Solutions Pvt Ltd is a development company headquartered in Kansas City, Kan. They also have offices in Nicholls, Australia; South Tauranga, New Zealand; Jaipur, India; and Basingstoke, United Kingdom. Founded in 2015, they have about 13 employees that serve mostly midmarket and enterprise clients in the arts, consumer products, and education. Services include mobile app development, web development, and SEO.

Binary Studio is a software development firm headquartered in Lviv, Ukraine with an office in San Francisco. Founded in 2005, the team of 72 specializes in web development, custom software development, and IT managed services. They work primarily with midmarket-level and small businesses, focusing on gambling, telecommunications, and business services.