Top 100 Cross Platform App Developers in London

Oonaimedia is a small web development company based in Kent, United Kingdom. Founded in 2021, the team provides web development, digital strategy, conversion optimization, search engine optimization, and more.

Entrenovu is a custom software development company. They offer custom software development, cybersecurity, web development, mobile app development, and more and were founded in 2022. The company is headquartered in London, United Kingdom.

Chilliapple Ltd., a mobile app development company, was launched in 2008. The small team specializes in mobile app development, e-commerce development, custom software development, and web development. The company is based in Kent, United Kingdom and , United Kingdom.

LAYOUTindex is a small e-commerce development company. They offer e-commerce development, mobile app development, web development, custom software development, and more and were founded in 2009. The agency is in Madison, Alabama; Paris, France and Colombo, Sri Lanka.

Founded in 2013, M A Q Computer Services L.L.C is a small social media marketing firm. Their team offers social media marketing, search engine optimization, web design, web development, and more. The firm is headquartered in Dubai, United Arab Emirates; London, United Kingdom and , India.

Axiteq is an app development company. They are based in Islamabad, Pakistan and have a small team. Their services include mobile app development, web development, IoT development, custom software development, and more. The company was launched in 2019.

Located in Mississauga, Canada and Kolkata, India, Primary Infotech Private Limited is an app development firm. The small company was founded in 2019. Their services include mobile app development, web design, and e-commerce development.

Episty is an UX design company. Their small team is headquartered in London, United Kingdom and offers ux/ui design, mobile app development, web design, and web development. The firm was launched in 2010.

Zedkira Ltd, a e-commerce development firm, is headquartered in London, United Kingdom. Founded in 2023, the small team focuses on e-commerce development, web development, mobile app development, Artificial Intelligence, and more.

Engineer Box, a cloud consulting & SI company, was founded in 2023. They are based in London, United Kingdom and have a small team. Engineer Box provides cloud consulting & SI, web development, mobile app development, and application testing.

Equals Collective is an user experience design agency. Their small team is based in Guildford, United Kingdom. The firm specializes in ux/ui design, e-commerce development, IT strategy consulting, marketing strategy, and more.

Mobile app development firm VersionMaybe. Was launched in 2019. The small Warfield, United Kingdom-based team offers mobile app development, web development, web design, and ux/ui design.

Worth Internet Systems is a custom software development firm. The midsize team is located in Reading, United Kingdom and Rijswijk, Netherlands. Their services include custom software development, ux/ui design, mobile app development, web design, and more.

Insites Digital is a small digital strategy company. Founded in 2014, the team specializes in digital strategy, email marketing, web design, and web development. The agency is headquartered in Hitchin, United Kingdom.

SoftPak Financial Systems is a custom software development company. Founded in 1994, the team focuses on custom software development, mobile app development, and IT staff augmentation. Their midsize agency is Wayland, Massachusetts-based.

Webol, a custom software development firm, is based in Farnham, United Kingdom. They provide custom software development, mobile app development, web development, Artificial Intelligence, and more and were established in 2019.

GMS Technology Ltd is a digital strategy company. Founded in 2006, the small firm is located in Luton, United Kingdom. Their team offers digital strategy, e-commerce development, mobile app development, web design, and more.

3D VERSO is a branding agency launched in 2019. The small Henley-on-Thames, United Kingdom-based team provides branding, web design, ux/ui design, product design, and more.

Unified communications consulting & SI company BlackStone Associates - Technical Support Services is in Windsor, United Kingdom. The small firm was founded in 2014. Their services include unified communications consulting & SI, IT managed services, IT strategy consulting, cloud consulting & SI, and more.

Crowers Limited, a custom software development company, is based in Guilden Morden, United Kingdom. The company specializes in custom software development, mobile app development, web development, web design, and more and has a small team.The company was founded in 2017.

Brandon Cross, a custom software development company, was established in 2006. The company offers custom software development, enterprise app modernization, mobile app development, and application management & support and has a small team. The company is located in Lacey Green, United Kingdom.

DabApps is a web and mobile application development agency based in Brighton, England. They were founded in 2010 and have a staff of 21 employees. They specialize in custom software, web, and mobile app development for primarily small business clients in the business services, consumer products, and education industries.

Established in 2011, Genetic Digital is a SEO agency. The firm focuses on search engine optimization, web development, mobile app development, digital strategy, and more and has a small team. The firm is in High Wycombe, United Kingdom.

Established in 2020, Crockwell Solutions is a software development company. Their small team is located in Farnham, United Kingdom. Their team focuses on custom software development, cloud consulting & SI, web development, mobile app development, and more.

Automation Squared Ltd is an app development company based in Horsham, England, with offices in Croydon, England; Brighton, England; and Pittsburgh. The 13-person team got started in 2007 and offers mobile app development, AI development, and enterprise app modernization.

5G Digital Ltd is a small Stokenchurch, United Kingdom-based web design agency. Founded in 2017, the team offers web design, e-commerce development, mobile app development, search engine optimization, and more.

Altamira (formerly GBKSOFT) is a Ukraine-based web and mobile development company that specializes in UX/UI design, IT strategy consulting, web development, and mobile app development. Founded in 2011, the company delivers stable and efficient software solutions to clients looking to maximize ROI and capture consumer attention.

The Altamira team has experience in PHP, Yii2, MySQL, Postgre.sql, JSON, XML, AJAX, JavaScript, HTML, CSS, jQUERY, Angular.Js, Android SDK, iOS, Sockets.IO, and Apache. With under 250 employees, Altamira works closely with clients to produce complex web applications that accelerate sales, engage customers, and increase online traffic. 

In Aldermaston, United Kingdom, Peslo Studios Ltd is a mobile app development firm. Founded in 2018, the small team focuses on mobile app development and IT strategy consulting.

Laravel Lions is a small web development firm located in California, California. Launched in 2000, the team offers web development, e-commerce development, mobile app development, and other application development.

Located in Bletchley, United Kingdom, 4fx Design and Multimedia is a app development company. They offer mobile app development, web design, web development, and custom software development and were founded in 2000.