Top 100 Cross Platform App Developers in the United Kingdom
The Best of October 2026Looking 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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391$50,000+50 - 249 employeesLiverpool, EnglandYozu is a midsize custom software development firm founded in 2013. Their team focuses on Custom Software Development and Mobile App Development.Read More
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392$25,000+2 - 9 employeesBideford, EnglandSoftware development firm Barr Media was founded in 2018. The firm specializes in Custom Software Development and Web Development, and is small.Read More
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393$25,000+2 - 9 employeesLondon, EnglandSmall app development company Nyble, is based in London, England. Their services include Mobile App Development and Web Development.Read More
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394$10,000+10 - 49 employeesLondon, EnglandE-done is an app development firm established in 2017. Based in Zaporizhzhia, Ukraine and New York, New York, the team offers Mobile App Development and Blockchain.Read More
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395Undisclosed10 - 49 employeesEdinburgh, ScotlandIntelligent Mobile is a web design company established in 2004. Their team specializes in Web Design and Mobile App Development.Read More
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396$5,000+50 - 249 employeesPontprennau, WalesDEVHOUSE TECHNOLOGIES LTD is a website development firm. They are based in Pontprennau, Wales and Roma, Italy, and their services include Web Development and Mobile App Development.Read More
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397$5,000+2 - 9 employeesLondon, EnglandPortox is an e-commerce development firm. Established in 2020, the team specializes in e-commerce development, digital strategy, web development, mobile app development, and more. Their small company is headquartered in Porto, Portugal; Madrid, Spain and Firenze, Italy.Read More
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Unicef United Nations Samsung Porto VentureIndustries
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398$10,000+50 - 249 employeesLondon, EnglandMindCrew Technologies is a small software development firm. The Indore, India-based firm was established in 2011. Their team offers custom software development, Artificial Intelligence, blockchain, application management & support, and more.Read More
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399$1,000+50 - 249 employeesHeckmondwike, EnglandOrestes Technologies (P) Ltd, a web development company, is in Kochi, India and Heckmondwike, England. Founded in 2014, the team offers Web Development and Mobile App Development.Read More
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Prinktoner Ltd SPRIG Zach & Kiki SynthiteIndustries
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400$10,000+10 - 49 employeesNuneaton, EnglandSopchy Ltd is a small mobile application development company and web development firm located in Nuneaton, England and Kielce, Poland. The team provides Mobile App Development and Web Development.Read More
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401$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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402$10,000+250 - 999 employeesLondon, EnglandFounded in 2009, Gap Dynamics is a web development firm. The firm specializes in Web Development and Mobile App Development.Read More
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403$5,000+10 - 49 employeesLondon, EnglandFounded in 2016, Axonian is a small Blockchain company. Their services include Blockchain and Mobile App Development.Read More
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404$5,000+10 - 49 employeesBelfast, Northern IrelandENGEN, a web design company, was founded in 2018. The team offers Web Design and Web Development.Read More
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405$5,000+2 - 9 employeesKingston upon Hull, EnglandLocated in Kingston upon Hull, England, Veda Software is a custom software development firm. They specialize in Custom Software Development and AI Consulting and were founded in 2024.Read More
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406$5,000+2 - 9 employeesLiverpool, EnglandWebinnova Ltd is a web development firm. They are in Liverpool, England and have small team. They offer Web Development and Mobile App Development.Read More
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407$25,000+2 - 9 employeesLondon, EnglandRead More
We Are Outliers is a custom software development company. They specialize in custom software development, mobile app development, ux/ui design, web design, and more and were founded in 2021. The firm is based in London, United Kingdom.
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408$10,000+2 - 9 employeesLeeds, EnglandKNARKZ SOLUTIONS LIMITED is a web development company. Their team is in Leeds, England and offers Web Development and Mobile App Development.Read More
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409$5,000+10 - 49 employeesBournemouth, EnglandWebsite development firm Createful was founded in 2010. The company focuses on Web Development and UX/UI Design, and is small.Read More
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410$5,000+2 - 9 employeesWarfield, EnglandFounded in 2019, VersionMaybe. Is a small Warfield, England-based app development company. Their team provides Mobile App Development and Web Development.Read More
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411Undisclosed2 - 9 employeesManchester, EnglandLiberty Apps, a mobile application development firm, is headquartered in Manchester, England. They focus on Mobile App Development and were founded in 2008.Read More
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412$1,000+2 - 9 employeesLondon, EnglandBitSmiths is a web development firm based in London, England. They offer Web Development and Mobile App Development and were founded in 2018.Read More
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413$10,000+10 - 49 employeesHackney, EnglandIn Hackney, England, App Agency is a mobile application development firm. Founded in 2011, the team focuses on Mobile App Development and AR/VR development.Read More
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414$5,000+10 - 49 employeesLondon, EnglandFounded in 2018, Nodlays is a small London, England-based CRM consulting and SI company. Their team specializes in CRM consulting and SI and Custom Software Development.Read More
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415$5,000+250 - 999 employeesSlough, EnglandSoftoo is an IT staff augmentation company. The Slough, England-based agency specializes in IT staff augmentation and Custom Software Development.Read More
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ConfigureIndustries
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416Undisclosed50 - 249 employeesRichmond, EnglandGislen Software is a custom software development firm established in 1994. Their team specializes in Custom Software Development and Web Development.Read More
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417$5,000+2 - 9 employeesLondon, EnglandFounded in 2025, Purple Softworks is a small software development company. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The company is based in Johannesburg, South Africa and London, England.Read More
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418$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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419$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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420$1,000+2 - 9 employeesBeeston, EnglandAppatree, an user experience agency, was launched in 2022. The company specializes in UX/UI Design and Web Development.Read More
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