Top 100 Cross Platform App Development Companies

RebelDot is a Cluj, Romania-based UX/ UI design and software development company founded in 2008. With offices in both Romania and Denmark, their team of 46 experts provides a full range of web and mobile app development for startups and enterprise-level companies.

openGeeksLab is an IT development company of around 50 employees, established in 2015. Their headquarters is in Toronto, Canada, with a second location in Zaporizhzhia, Ukraine. They offer services in mobile app development, web development, and blockchain. They serve small, midmarket, and enterprise clients in the business, energy, financial, and healthcare industries.

Reckonsys is a software development firm headquartered in Bangalore, India. The company was founded in 2015 and currently has 39 employees. They specialize in blockchain, AI, and custom software development.

Launched in 2013, PQube Business Solutions is a small SEO agency. Their services include search engine optimization, IT managed services, mobile app development, e-commerce development, and more. The company is based in Bengaluru, India.

Lampa Studio is a mobile app development agency founded in 2014. Based in Vinnytsya, Ukraine, the small team of four employees specializes in mobile app development, UX/UI design and AR/VR development. They primarily serve midmarket clients.

AppUnite is a software development company based in Poznan, Poland. Founded in 2009, the team of less than 50 specializes in mobile app development, web development, and UX/UI design. They work primarily with midmarket and small business clients, in the media, health care and medical, and real estate industries. 

SOLVVE is a web and mobile application development company that was founded in 2011. They're based in Dnipro, Ukraine. The team works with clients from various industries including healthcare, biometrics, e-commerce, real estate, and fin tech. 

A development studio based in Berlin, impltech was founded in 2017.  Their team of about 29 employees provides web and mobile app development as well as UX/UI design services to small and midmarket businesses. They primarily serve clients in the real estate, telecommunications, and manufacturing industries.

MAK IT is a software development firm. Established in 2011, the team provides custom software development, mobile app development, and ux/ui design. Their midsize company is based in Rīga, Latvia and Novi Sad, Serbia.

Waracle is a digital products specialist in the UK with offices in London, Glasgow, Edinburgh, and Dundee. Founded in 2007, the company has more than 150 employees delivering high performance apps for mobile, web, Internet of Things, mixed reality, artificial intelligence, and voice. Waracle operates across a range of industry sectors, from fintech, energy, and digital health, to industrial IoT and oil and gas.

S-PRO is a mobile app and blockchain development company based in Kiev, Ukraine. Founded in 2014, S-PRO's team of around 100 employees specializes in mobile app development, blockchain, and UI/UX design. S-PRO primarily works with small and midmarket clients. 

Cinnamon Agency is a digital development firm in Zagreb, Croatia. Founded in 2014, the employ a current team of 27 who specialize in mobile app development, web development, IoT development, and UX/UI design. 

Simply Technologies is a software development company located in Yerevan, Armenia, with additional locations in Kharkiv, Ukraine and Sydney. It was founded in 2011 and has 27 employees. They offer web development and mobile app development services.

Ameotech Informatics is a branding firm. Launched in 2010, the small company is located in Chandigarh, India. Their team specializes in branding, web development, ux/ui design, search engine optimization, and more.

Kodansoft is a small website development company and mobile application development company in Daugavpils, Latvia. They focus on web development and mobile app development and were founded in 2018.

OSSystem is a an outsource software development company based in Chornomorsk, Ukraine. Founded in 2007, they comprise 46 employees specializing in web and mobile app development, startup consulting, QA, UI and UX design, and custom software. They work for a variety of companies, typically in telecommunications, business services, and IT.

UBRAINIANS is a web and mobile app development firm founded in 2014 in Kyiv, Ukraine. With no more than 50 employees, they specialize in custom software, web, and mobile app development solutions for small businesses.

Sailet, a web development company, was established in 2017. Their small team is located in Germantown, Maryland. The company focuses on web development, mobile app development, web design, ux/ui design, and more.

Asahi Technologies is a custom software development firm with offices in New York City and India. Founded in 2010, they have 65 employees who serve mostly startups and mid-market clients in the non-profit, education, legal, financial, construction, and lifestyle sectors. Their services include software product development, web application development, mobile app development.

Clock Limited is a digital design and build company. Founded in 1997, the company is headquartered in Kings Langley, United Kingdom. They have a team of around 35 employees who focus on custom software, web, and mobile app development.

Launched in 2016, Jalan Technology Consulting is a website development firm. Headquartered in Jaipur, India, their small team focuses on web development, mobile app development, blockchain, and e-commerce development.

Pixels is a small Genève, Switzerland-based app development company. Established in 2011, the team provides mobile app development, digital strategy, branding, content marketing, and more.

Located in Montevideo, Uruguay, Nareia is a software development firm. They specialize in custom software development, mobile app development, and web development and were launched in 2015.

Cultivate is a brand agency based in Chicago that was founded in 2005. Their team of 92 employees offers a range of services including branding, mobile app development, UX/UI design, digital strategy, web development, and video production.

Polyany, an e-commerce development company, is based in Irpin', Ukraine. The small team specializes in e-commerce development and was founded in 2017.

SemperTeam is an app development firm founded in 2018. Their small team is in Kyiv, Ukraine and provides mobile app development, web development, other application development, custom software development, and more.

TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

Powercode is a web development agency based in Kyiv, Ukraine founded in 2015. They are operated by a team of 66 who are experts in web, mobile app, and custom software development for clients ranging from startups to enterprises. They have experience working in industries such as financial services, business services, and IT. They are also familiar with working with platforms like Amazon, Linux servers, and Azure, among others.

OrangeMantra is a big data company headquartered in Gurgaon, India, with offices in Wilmington, Del. and Wynnum, Australia. Founded in 2001, the team of over 100 employees specializes in UX/UI design, BI and big data consulting and SI, and e-commerce development. They work primarily with midmarket and enterprise clients, mainly in the IT industry.

Appingine is a mobile and web app development firm based in Los Angeles, Calif. Founded in 2008, their team of about 150 serves clients in the gaming and consumer goods sectors. Services include Android as well as React Native, .NET, and WordPress platform development.