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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391$25,000+250 - 999 employeesLondon , EnglandEqual Experts is a custom software development firm launched in 2007. The firm focuses on Custom Software Development and Mobile App Development.Read More
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392$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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393$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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394$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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395Undisclosed2 - 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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396$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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397$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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398$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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399$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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400Undisclosed50 - 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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401$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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402$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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403$1,000+10 - 49 employeesLondon, EnglandRead More
EastSons' Technologies is a software development firm. They are located in Noida, India; London, United Kingdom and Burnaby, Canada and have a small team that focuses on custom software development, branding, e-commerce development, mobile app development, and more. The firm was launched in 2014.
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404$10,000+2 - 9 employeesEdinburgh, ScotlandLaunched in 2011, Katana is a web development company. The small team specializes in Web Development and Mobile App Development.Read More
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405UndisclosedFreelancer employeesColby, EnglandDCUK TECH is a mobile application development company. Located in Colby, England, their team focuses on Mobile App Development and Custom Software Development.Read More
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406$1,000+10 - 49 employeesKolkata, IndiaRead More
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.
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407$5,000+10 - 49 employeesManchester, EnglandApps Developer Lab is a Conversion Optimization company launched in 2018. The team specializes in Conversion Optimization and Web Development and is in Manchester, England and Islamabad, Pakistan.Read More
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408$1,000+10 - 49 employeesLondon, EnglandMellontical Solutions is a small London, England-based web development firm. Their services include Web Development and Branding.Read More
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409Undisclosed10 - 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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410$25,000+10 - 49 employeesLondon, EnglandRead More
ROKi is an IT firm based in London with more than 10 experts. They have provided e-commerce development, IT managed services, and IT strategy consulting solutions since their founding in 2015. They mainly work with small and medium-sized businesses in retail, e-commerce, and more.
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Recent projects or customers include TVSquaredIndustries
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411Undisclosed2 - 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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412$10,000+50 - 249 employeesLondon, EnglandSmall user experience agency Damex Digital, is located in Lake Kathyln, Bangladesh and Dhaka, Bangladesh. Established in 2020, the team provides ux/ui design, web design, print design, graphic design, and more.Read More
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IMCorp IncIndustries
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413$10,000+50 - 249 employeesBrentford, EnglandNaztech Inc, a custom software development firm, was founded in 2014. The agency focuses on Custom Software Development and Mobile App Development.Read More
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414$1,000+50 - 249 employeesBirmingham, EnglandLaunched in 2012, WhatsOn is a social media marketing agency. The midsize team provides Social Media Marketing and Search Engine Optimization.Read More
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415$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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416$1,000+2 - 9 employeesLondon, EnglandIATX Limited is an IT strategy consulting company. The London, England-based firm was established in 2023. Their team specializes in IT strategy consulting and Custom Software Development.Read More
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417Undisclosed50 - 249 employeesLancashire, EnglandEGLogics Softech Private Limited is a web development firm. They are located in Lancashire, England and Noida, India, and their services include Web Development and Web Design.Read More
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418Undisclosed10 - 49 employeesCheltenham, EnglandSAS Managed Applications is an UX company. They are headquartered in Cheltenham, England, and their services include UX/UI Design and Web Development.Read More
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419$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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420$1,000+2 - 9 employeesManchester, EnglandPolychromatic, a website development company, was established in 2017. The agency offers Web Development and Web Design, and is small.Read More
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