Top 100 Cross Platform App Developers in the United Kingdom
The Best of December 2025Looking for a top cross platform mobile app development company in the United Kingdom?
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 United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Cross Platform Mobile App Development Companies
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421$10,000+10 - 49 employeesLondon, EnglandJAPCO is a software development company launched in 2021. Their services include Custom Software Development and Mobile App Development.Read More
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422$1,000+10 - 49 employeesBirmingham, EnglandPhi Horizon Tech and Services is a branding agency established in 2020. Their services include Branding and Web Development.Read More
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423$1,000+10 - 49 employeesLondon, EnglandKodkodkod is a small Lyon, France-based mobile application development firm. The team focuses on Mobile App Development and E-Commerce Development.Read More
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424$1,000+10 - 49 employeesAltrincham, EnglandElite IT Team is an Altrincham, England-based SEO agency. They offer Search Engine Optimization and Web Design.Read More
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425$5,000+2 - 9 employeesWest Lavant, EnglandLocated in West Lavant, England, Digital Republic is a software development company. The team offers Custom Software Development and UX/UI Design.Read More
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FreshphotoHouse Scafol Bloomsbury Square FabricsIndustries
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426$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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427$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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428$1,000+10 - 49 employeesLondon, EnglandKibris Order Ltd. Is a Product Design company. Established in 2017, their team provides Product Design and Custom Software Development.Read More
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429$1,000+50 - 249 employeesMalvern, EnglandStudio 444 is an Architectural Design company. Their midsize team of employees is located in Malvern, England. Their team offers Architectural Design and Product Design.Read More
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430$5,000+10 - 49 employeesGuildford, EnglandEquals Collective, a small user experience design company, is in Guildford, England. The team focuses on UX/UI Design and E-Commerce Development.Read More
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431$1,000+50 - 249 employeesLondon, EnglandOptimumTech is a website development company. The midsize Faisalabad, Pakistan-based agency was launched in 2018. Their services include web development, mobile app development, digital strategy, social media marketing, and more.Read More
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432$10,000+10 - 49 employeesLondon, EnglandGraph is a small web development firm launched in 2010. Their services include Web Development and UX/UI Design.Read More
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433$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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434$1,000+2 - 9 employeesManchester, EnglandInitforthe, a small software development company, is located in Manchester, England. Their services include Custom Software Development and Mobile App Development.Read More
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435$25,000+2 - 9 employeesLondon, EnglandLaunched in 2019, Yaya is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Product Design.Read More
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436$10,000+50 - 249 employeesCheltenham, EnglandFounded in 2007, Salpo Technologies is a custom software development company. Their team provides Custom Software Development and Mobile App Development.Read More
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437$1,000+10 - 49 employeesLondon, EnglandEstablished in 2019, Codematic Technology Services is a website development company. The small team specializes in Web Development and Mobile App Development.Read More
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438$1,000+2 - 9 employeesLondon, EnglandBxoft is a web development firm. The London, England-based firm was launched in 2019. Their team specializes in Web Development and Web Design.Read More
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439$5,000+2 - 9 employeesBournemouth, EnglandBlue Synapse is a web design agency. The small Bournemouth, England-based team specializes in Web Design and UX/UI Design. The company was established in 2024.Read More
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440Undisclosed2 - 9 employeesLondon, EnglandDevifyhub is a small London, England-based SEO agency. The team provides Search Engine Optimization and Web Development.Read More
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441$1,000+10 - 49 employeesSheffield, EnglandXune Solutions is a web development firm. The Sheffield, England-based company was established in 2015. Their services include Web Development and Branding.Read More
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442$25,000+10 - 49 employeesLondon, EnglandSmall web design agency Lunar Web Solution Technologies Private Limited, is in Noida, India. Their services include Web Design and UX/UI Design.Read More
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443$1,000+10 - 49 employeesBootle, EnglandRAIBS LTD is a custom software development company. The company is based in Bootle, England. Their services include Custom Software Development and Mobile App Development.Read More
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444$25,000+50 - 249 employeesLondon, EnglandLaunched in 2014, XPERTNEST SOLUTIONS PRIVATE LIMITED is an AR/VR development company. The team specializes in AR/VR development and Artificial Intelligence.Read More
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445$1,000+50 - 249 employeesSheffield, EnglandWeb design company SpyreSync is headquartered in Sheffield, United Kingdom. The midsize firm was founded in 2005. Their team provides web design, ux/ui design, custom software development, web development, and more.Read More
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446$1,000+10 - 49 employeesOxford, EnglandWeb development firm OWA Digital is based in Oxford, England and Fitzrovia, London, England. Their services include Web Development and Mobile App Development.Read More
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447$5,000+Freelancer employeesBelfast, Northern IrelandBased in Belfast, Northern Ireland, CausewaySoft LTD is a small web development company. The team provides Web Development and Mobile App Development.Read More
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448UndisclosedFreelancer employeesOadby, EnglandRam Infosystems Limited is a custom software development company and app development firm. Their team is located in Oadby, England and provides Custom Software Development and Mobile App Development.Read More
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449$10,000+250 - 999 employeesWolverhampton, EnglandFounded in 2019, Kaswans Technologies is a mobile application development company. The firm specializes in Mobile App Development and E-Commerce Development.Read More
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450$5,000+2 - 9 employeesLiverpool, EnglandWebinnova Ltd is a website development firm. Founded in 2025, the firm is headquartered in Liverpool, England. Their team provides Web Development and Mobile App Development.Read More
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