Top 100 Cross Platform App Developers in London
The Best of December 2025Looking for a top cross platform mobile app development company in London?
Cross-platform mobile applications have benefits that outweigh those of native applications if your users interact with your business on both Android and Apple products. Cross platform app development entails building a mobile app that’s compatible with multiple operating systems. Cross-platform, or hybrid apps, use a single codebase, which means you don’t need separate apps with separate technologies to appeal to customers using Android or iOS. Because of this single codebase, cross platform apps are less costly to create and maintain.
Most hybrid apps will use either Ionic or React as a development framework. React is a JavaScript framework that allow apps to support Android and iOS natively, while Ionic uses JavaScript, HTML5, CSS, and Sass for hybrid apps, desktop apps, and progressive web apps. Choosing an app developer with the right skillset to fit the technology framework your app needs is a good place to start when interviewing app development companies.
To assist you in your search for a partner, we’ve compiled this list of the top cross platform app developers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Cross Platform Mobile App Development Companies
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361Undisclosed2 - 9 employeesBletchley, England4fx Design and Multimedia is an application development firm. The Bletchley, England-based company was founded in 2000. Their services include Mobile App Development and Web Design.Read More
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362$10,000+10 - 49 employeesMilton Keynes, EnglandFounded in 2009, PODTECH is a small Milton Keynes, England-based IT strategy consulting company. Their team offers IT strategy consulting and Custom Software Development.Read More
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Royal Bank of ScotlandIndustries
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363Undisclosed10 - 49 employeesBrighton, EnglandRead More
Creative Stack Ltd, a software development firm, is located in Brighton, United Kingdom. The small team offers custom software development, web development, mobile app development, e-commerce development, and more. The company was founded in 2010.
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364$1,000+2 - 9 employeesBrighton, EnglandBONI Technology LTD, a web design company, was established in 2014. The small Brighton, United Kingdom-based team provides web design, web development, mobile app development, search engine optimization, and more.Read More
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365$25,000+2 - 9 employeesBrighton and Hove, EnglandUnusual Technologies is an AR/VR development company. Established in 2018, the team specializes in AR/VR development and UX/UI Design. The company is located in Brighton and Hove, England.Read More
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366$10,000+2 - 9 employeesMilton Keynes, EnglandMethod & Class Ltd, an UX company, was founded in 2007. Based in Milton Keynes, England, the team offers UX/UI Design and Custom Software Development.Read More
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367$10,000+10 - 49 employeesBrighton and Hove, EnglandWeDoAllTech, an user experience design company, is in Brighton and Hove, England. They specialize in UX/UI Design and Custom Software Development and were founded in 2023.Read More
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368$25,000+2 - 9 employeesCambridge, EnglandOrthogonality is a Cambridge, England-based software development firm. They offer Custom Software Development and Web Development.Read More
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369$10,000+2 - 9 employeesHove, EnglandDigital Tactics Ltd. Is a cloud consulting & SI company headquartered in Hove, England. They focus on cloud consulting & SI and IT strategy consulting and were established in 2011.Read More
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370$50,000+50 - 249 employeesStanway,Colchester, EnglandFounded in 1997, Kott Software is a custom software development firm. Their team provides Custom Software Development and Web Development.Read More
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371$1,000+10 - 49 employeesCambridge, EnglandEstablished in 2016, Elantratech is a website development firm. The team specializes in Web Development and E-Commerce Development.Read More
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372UndisclosedFreelancer employeesWorthing, EnglandBased in Worthing, England, Kennedy Digital Ltd is a small branding company. Their services include Branding and Web Design.Read More
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373$5,000+10 - 49 employeesWorthing, EnglandStrides Empower Ltd is a custom software development company founded in 2018. The agency provides Custom Software Development and Mobile App Development.Read More
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374Undisclosed250 - 999 employeesBrentford, EnglandBusiness Pro Designs is an app development firm. Founded in 2007, the company is based in Brentford, England. Their team focuses on Mobile App Development and Web Design.Read More
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375Undisclosed10 - 49 employeesLondon, EnglandWeb design agency Digital Broadcasters is located in London, England. They provide Web Design and Web Development.Read More
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376$10,000+50 - 249 employeesLondon, EnglandToexa Inc. Is a Digital Strategy company. Launched in 2017, the team offers Digital Strategy and Mobile App Development. The company is in Cleveland, Ohio and Noida, India.Read More
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377$5,000+2 - 9 employeesTenterden, EnglandLunar Works is a web design agency. The team provides Web Design and Web Development and is in Tenterden, England.Read More
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378Undisclosed10 - 49 employeesLondon, EnglandFounded in 2008, Genora Infotech is a mobile application development company. The firm provides Mobile App Development and UX/UI Design.Read More
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379$1,000+10,000+ employeesLondon, EnglandLarge user experience design company Williams Lea Tag, is headquartered in London, England. Their services include UX/UI Design and Mobile App Development.Read More
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380$5,000+50 - 249 employeesLondon, EnglandBrevity Software Solutions is an app development firm. They were founded in 2010, and their services include Mobile App Development and Web Development.Read More
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381$5,000+2 - 9 employeesChalfont Saint Peter, EnglandBAT CODERS is a Cybersecurity company. Launched in 2011, the team offers Cybersecurity and Mobile App Development. The agency is based in Chalfont Saint Peter, England.Read More
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382Undisclosed10 - 49 employeesLondon, EnglandWeb development company Quip Global was launched in 2014. The agency focuses on Web Development and Mobile App Development, and is small.Read More
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383Undisclosed10 - 49 employeesLondon , EnglandApp development company Sova Infotech Ltd was established in 2011. The firm specializes in Mobile App Development and Search Engine Optimization.Read More
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384Undisclosed10 - 49 employeesKeynes, EnglandTechradius Ltd. Is a Keynes, England-based Digital Strategy company. They provide Digital Strategy and Mobile App Development.Read More
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385Undisclosed10 - 49 employeesLondon , EnglandKingdom London is a Digital Strategy company. Their team is in London , England. The firm offers Digital Strategy and Mobile App Development.Read More
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386Undisclosed2 - 9 employeesLondon , EnglandTDSOFT London Web Design is a Digital Strategy company founded in 2007. Based in London , England, the team offers Digital Strategy and Mobile App Development.Read More
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387Undisclosed2 - 9 employeesLondon, EnglandBrand Formations is a branding firm. The London, England-based agency was founded in 2012. Their team specializes in Branding and Graphic Design.Read More
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