Top 100 Cross Platform App Developers in the United Kingdom
The Best of July 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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121$10,000+50 - 249 employeesLondon, EnglandBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
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NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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122$50,000+10 - 49 employeesLondon, EnglandBlank Space is an user experience company. The small Mississauga, Canada-based agency was founded in 2014. Their team offers UX/UI Design, Mobile App Development, Low/No Code Development, Custom Software Development, and more.Read More
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Dunkin'Industries
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123$5,000+2 - 9 employeesNorwich, EnglandRead More
Headquartered in Norwich, United Kingdom, Hyper Pixel is a small mobile application development firm. Founded in 2014, the team offers mobile app development, mobile & app marketing, web development, web design, and more.
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124$25,000+50 - 249 employeesLondon, EnglandZentix Soft, an e-commerce development firm, is headquartered in Jelgava, Latvia and London, England. The midsize firm was launched in 2022. Their services include E-Commerce Development, Custom Software Development, Artificial Intelligence, and Mobile App Development.Read More
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125$50,000+50 - 249 employeesLondon, EnglandRead More
Novoda is a digital-product agency based in London, England, that was established in 2008. Their team of 71 employees provides mobile app development, UX/UI design, enterprise app modernization, digital strategy, and AR/VR development services.
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Tesco News UKIndustries
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126$5,000+10 - 49 employeesLondon, EnglandQTech is a website development company established in 1999. In Amman, Jordan; Dubai, United Arab Emirates and London, England, their small team focuses on Web Development, Mobile App Development, E-Commerce Development, UX/UI Design, and more.Read More
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127$25,000+10 - 49 employeesLondon, EnglandBlott is an AI development company established in 2019. Their small team is located in London, England and Colombo, Sri Lanka. The firm focuses on Artificial Intelligence, UX/UI Design, Web Development, Mobile App Development, and more.Read More
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128$10,000+50 - 249 employeesLondon, EnglandRead More
Founded in 2010, PioGroup Software is a development company based in Kharkiv, Ukraine. They have a small team of fewer than 50 people, and they primarily work with small businesses.
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Moving PipeIndustries
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129$5,000+10 - 49 employeesLondon, EnglandEstablished in 2013, Diversido is an app development company. Their small team is in Claymont, Delaware and London, England and focuses on Mobile App Development, Web Development, and IoT development.Read More
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eTutorCloudIndustries
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130$25,000+10 - 49 employeesFleet, EnglandMobile app development company Evangelist Apps was founded in 2008. The small team provides Mobile App Development, Custom Software Development, IT staff augmentation, AI Consulting, and more. The agency is headquartered in Fleet, England and High Wycombe, England.Read More
Clients
Hastens Ltd.Industries
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131$5,000+50 - 249 employeesLondon, EnglandPixelfield is an user experience company. Founded in 2012, the firm is in London, England and Praha 8, Czech Republic. The midsize team provides UX/UI Design, Product Design, Mobile App Development, Artificial Intelligence, and more.Read More
Clients
Raiffeisen BankIndustries
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132$1,000+10 - 49 employeesLondon, EnglandRead More
Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.
Clients
Lyst (http://lyst.co.uk/) Which (http://which.co.uk/) Imray Laurie Norie & Wilson (http://imray.com/) Hintsa (https://www.hintsa.com/)Industries
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133$5,000+2 - 9 employeesLondon, EnglandRead More
Milo Creative is a digital studio located in London. Founded in 2002, it has a team of 17 that specializes in mobile app development, UX/UI design, and web development services. They work with companies in various industries including education, health care & medical, and advertising & marketing.
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Sony MusicIndustries
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134$10,000+2 - 9 employeesEdinburgh, ScotlandRead More
Bad Dinosaur is a development company in Edinburgh, Scotland. Founded in 2013, they have about 15 employees that serve small-business and midmarket clients in the financial, education, and business sectors. Services include custom software development, UI/UX design, and mobile app development.
Clients
University of St AndrewsIndustries
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135$10,000+50 - 249 employeesLondon, EnglandLaunched in 2015, Angry Nerds is a custom software development firm. The firm specializes in Custom Software Development, UX/UI Design, Web Development, and Mobile App Development and has a midsize team. The firm is in Wrocław, Poland; London, England; Atlanta, Georgia and Toronto, Canada.Read More
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136$100,000+50 - 249 employeesEdinburgh, ScotlandClearSky is a website development firm. Located in Edinburgh, Scotland and Glasgow, Scotland, their midsize team provides Web Development, Custom Software Development, IT staff augmentation, and Mobile App Development. The firm was founded in 2018.Read More
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137$25,000+10 - 49 employeesYork, EnglandMerisis, a small web development company, is headquartered in York, England. They provide Web Development, Mobile App Development, Custom Software Development, and E-Commerce Development and were launched in 2001.Read More
Clients
NYK Group Europe Yusen UK Yusen EU Dawson GroupIndustries
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138$10,000+10 - 49 employeesRoyal Tunbridge Wells, EnglandAI company Chilliapple Ltd. Is located in Royal Tunbridge Wells, England. They offer Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more and were established in 2008.Read More
Clients
easyCar Magee Riskpal Rugs of LondonIndustries
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139$5,000+50 - 249 employeesBradford, EnglandRead More
Lets Nurture is a web and mobile applications company headquartered in New York City, with offices in Seattle, India, Canada, Singapore, the UK, and Australia. Founded in 2009, the team of 131 specializes in AR/VR development, blockchain, and loT development. They work with small businesses and midmarkets, focusing on information technology, business services, arts, entertainment, and music.
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SmallPocketBookIndustries
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140$10,000+10 - 49 employeesManchester, EnglandTiksom Limited is an IT staff augmentation company. The small Manchester, England-based agency was established in 2017. Their team offers IT staff augmentation, Web Design, UX/UI Design, Custom Software Development, and more.Read More
Clients
𝗥𝗮𝗽𝗶𝗱𝗦𝗽𝗶𝗸𝗲 - Business Critical Website Monitoring & Security Solution ****************************** 𝗦𝘁𝗮𝗻𝗳𝗼𝗿𝗱 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝘆 - Shaping the Future of Medicine Through Premier Education and Innovation ******************************Industries
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141$10,000+10 - 49 employeesGuildford, EnglandRead More
Lightflows is a website development firm headquartered in Guildford, England and London, England. The small agency was established in 2009. Their services include Web Development, Mobile App Development, UX/UI Design, Custom Software Development, and more.
Clients
HomeViewsIndustries
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142$5,000+250 - 999 employeesLondon, EnglandRead More
Founded in 2006, NCrypted Technologies is a development company headquartered in Helsinki. With a team of nearly 500, they have additional locations in Gujarat, India. They serve mostly small to midmarket businesses across several industries, providing web, mobile app, and e-commerce development services.
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Ford Motor CompanyIndustries
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143$50,000+50 - 249 employeesLondon, EnglandAegeantic, a custom software development firm, is headquartered in İzmir, Türkiye; Dubai, United Arab Emirates; València, Spain and Berlin, Germany. Launched in 2018, the midsize team offers Custom Software Development, Mobile App Development, Web Development, AI Agents, and more.Read More
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144$50,000+10 - 49 employeesSheffield, EnglandRead More
The Curve, a software development firm, is in Sheffield, United Kingdom. They specialize in custom software development, web development, and mobile app development and were founded in 2019.
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145$5,000+10 - 49 employeesLondon, EnglandTelescopic is a CRM consulting and SI company. The small team is located in London, England. Their services include CRM consulting and SI, IT strategy consulting, ECM consulting and SI, Mobile App Development, and more.Read More
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146$5,000+10 - 49 employeesLondon, EnglandRead More
Appy Monkey is a mobile app development firm founded in 2011. Based in London, the team has more than 10 members who specialize in mobile app development, UX/UI and custom software development. They generally serve small business clients in the entertainment, advertising and marketing, and business services industries.
Clients
My AAA PassIndustries
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147$5,000+50 - 249 employeesHarrow, EnglandIT Path Solutions, a web development company, is headquartered in Mooresville, North Carolina; Ahmedabad, India and Harrow, England. The midsize team focuses on Web Development, AI Consulting, Enterprise App Modernization, cloud consulting & SI, and more. The company was established in 2012.Read More
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Digital Civic- E CitizenIndustries
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148$5,000+10 - 49 employeesGreat Baddow, EnglandRead More
Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.
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EpsonIndustries
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149Undisclosed1,000 - 9,999 employeesLondon, EnglandIntive is a large Enterprise App Modernization company. The Wrocław, Poland-based company was founded in 1999. Their team provides Enterprise App Modernization, UX/UI Design, Mobile App Development, Application Testing, and more.Read More
Clients
Audi BMW Pockit TandemIndustries
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150$25,000+50 - 249 employeesLondon, EnglandDIGIMETA DEV LTD is a midsize. Established in 2022, the company is located in London, United Kingdom; Gloucester, United Kingdom and Bengaluru, India. Their services include.Read More
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