Top 100 Cross Platform App Developers in London

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Top 100 Cross Platform App Developers in London

The Best of June 2024

Looking 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. 

Jump to Most Reviewed Companies

List of the Best London Cross Platform Mobile App Development Companies

  • 1
    (38 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Rootquotient Technologies is a Custom Software Development agency with offices in London, Toronto and India Since 2019, the team of 170 has specialized in Custom made Web Application Development, Cross-platform Mobile App Development, Artificial Intelligence, Block chain, Machine Learning and Business Intelligence solutions.

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    Clients

    • Siemens Gamesa

    Industries

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  • 2
    (25 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    STAKK is a London-based mobile app company founded in 2020. With fewer than 50 employees, they specialize in mobile app development, web development, and UX/UI design for clients that work in various industries, such as IT, business services, and the government.

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    Clients

    • The British Museum

    Industries

  • 3
    (18 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 250 - 999 employees
    • Barking, United Kingdom

    Webskitters LLC is a software company headquartered in Miami, Fla. Founded in 2010, Webskitters LLC has a team of around 125 employees who specialize in web development, mobile app development, and mobile app modernization, primarily for small business clients.

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    Clients

    • Mercedes-AMG

    Industries

  • 4
    (20 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Xenia Tech is a development agency founded in 2017 with fewer than 50 members. Based in Da Nang, Vietnam, they are experts in web development, mobile app development, and web design for small businesses in the fields of IT, business services, and advertising.

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    Clients

    • nClud agency

    Industries

  • 5
    (47 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Plavno, a website development firm, is based in Nur - Sultan, Kazakhstan. They offer web development, mobile app development, and blockchain and were founded in 2007.

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    Clients

    • Mercedes, Xerox, Kia, eBay, PayPal, Amazon , IBM, Bank, Mediacube

    Industries

  • 6
    (27 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Blink22 is a mobile and web development firm based in Alexandria, Egypt. Founded in 2015, their team of 125 serves clients in the transportation and communal workplace sectors. Services include, iOS, Android, and React Native development.

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    Clients

    • Jumia

    Industries

  • 7
    (17 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Binary Mango is a mobile app development platform that's based in London. Since 2016, their team of fewer than 10 have provided mobile app as well as AR/VR development assistance to mid-market and enterprise-level clients in the fields of consumer products and advertising. 

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    Clients

    • GetLeslie

    Industries

  • 8
    (78 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • London, United Kingdom

    TekRevol is an app development startup of 18 employees. Founded in 2014, their headquarters is in Newark, Calif. They offer various services: mobile app development, web development, e-commerce development, blockchain, and more. They primarily work with enterprise and midmarket clients in the e-commerce and business services industries.
     

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    Industries

  • 9
    (121 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

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    Clients

    • Samsung

    Industries

  • 10
    (74 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

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    Clients

    • IBM
    • PayPal
    • pwc
    • IC Markets

    Industries

  • 11
    (15 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.

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    Clients

    • Kopona

    Industries

  • 12
    (33 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.

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    Clients

    • Health Match 360

    Industries

  • 13
    (18 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Indi IT Solutions is a custom software development firm. They are located in Sahibzada Ajit Singh Nagar, India and have a midsize team. Their services include custom software development, mobile app development, search engine optimization, and e-commerce development.

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    Industries

  • 14
    (107 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Empat is a digital agency based in Kyiv, Ukraine, and founded in 2013. With no more than 50 professionals, they provide e-commerce, web, and mobile app development solutions for clients in the industries of financial, dental, and healthcare services.

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    Clients

    • Porsche

    Industries

  • 15
    (23 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.

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    Clients

    • Bank of Kigali

    Industries

  • 16
    (30 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.

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    Clients

    • Pinterest

    Industries

  • 17
    (13 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Ingenious App Studios is a mobile app development firm based in London. Founded in 2018, their team of 8 serves clients in the internet and IT sectors. Services include web development.

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    Clients

    • MFP App

    Industries

  • 18
    (39 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      4.8
    • $10,000+
    • 250 - 999 employees
    • London, United Kingdom

    SoftProdigy is a software services provider headquartered in Budd Lake, NJ, with offices in India in Mohali, Chandigarh, and Ludhiana. Founded in 2006, SoftProdigy has about 250 employees that primarily provide small and midmarket businesses with web development and mobile app development services, although it can also offer SEO, blockchain, and social media marketing capabilities.

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    Clients

    • Deloitte

    Industries

  • 19
    (63 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Mobile app development company Tapptitude has offices in Romania, the US, and London. The team of 100+ employees specializes in iOS and Android app development and offers UX/UI design, IT strategy consulting, and web development. Founded in 2013, Tapptitude mainly works with small businesses and startups in the real estate, automotive, and arts and entertainment industries.

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    Clients

    • Tenor

    Industries

  • 20
    (11 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    Launched in 2020, hatch is a software development company. The company provides custom software development, mobile app development, ux/ui design, IT strategy consulting, and more and has a small team. The company is located in Berlin, Germany; Seefeld, Germany; Zürich, Switzerland and Triesen, Liechtenstein.

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    Clients

    • Valora

    Industries

  • 21
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Thinslices is a web development company. They are headquartered in Iasi, Romania and have a midsize team that offers web development, mobile app development, and ux/ui design. The agency was established in 2010.

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    Industries

  • 22
    (27 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Protocloud Technologies PVT. LTD. is an information technology and services provider that was founded in 2011. Their headquarters are in Jaipur, India, where they employ between 10 and 15 staff. They work with a range of midmarket and small businesses, offering a full suite of digital solutions, including e-commerce development, custom software development, websites, mobile apps and cloud integration.

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    Clients

    • Wayfair

    Industries

  • 23
    (57 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $1,000+
    • 50 - 249 employees
    • Hertfordshire, United Kingdom

    IIH Global is a web and software development agency in India. The company has a team of 46 specialists who offer web development and custom software development. Founded in 2013, IIH Global's clientele is primarily small, midmarket, or enterprise businesses in the IT, gambling, or e-commerce industries.
     

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    Clients

    • FLOORS TO WALLS

    Industries

  • 24
    (12 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Kernelics is a software development company founded in 2020 with over 50 employees. They provide web development, mobile app development, and AI solutions from their office in Minsk, Belarus. They work with small businesses across various industries.

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    Industries

  • 25
    (21 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.

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    Industries

  • 26
    (72 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.6
    • Would Recommend

      4.6
    • $5,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.

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    Clients

    • Ericsson

    Industries

  • 27
    (23 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • London, United Kingdom

    Robosoft Technologies is a full-service digital experiences agency offering digital advisory, design strategy, UX/UI services, application development & maintenance and expertise in emerging technologies such as AR, VR, blockchain, chatbots and more. Established in 1996 and headquartered in San Francisco, the team of 500+ has offices in Mumbai, Udupi, Bengaluru, Chicago, and New York.

     

     


     

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    Clients

    • Warner Bros. Discovery

    Industries

  • 28
    (15 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.9
    • Would Recommend

      4.9
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    WeUno is a digital agency founded in 2016 in Karachi, Pakistan. Their team of no more than 50 specializes in web development, mobile app development, and social media marketing services for clients in the fields of advertising, IT services, and e-commerce.

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    Clients

    • Strapp x University of Michigan

    Industries

  • 29
    (27 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.

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    Clients

    • The Venue Report

    Industries

  • 30
    (30 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.3
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Waracle is a digital products specialist in the UK with offices in London, Glasgow, Edinburgh, and Dundee. Founded in 2007, the company has more than 150 employees delivering high performance apps for mobile, web, Internet of Things, mixed reality, artificial intelligence, and voice. Waracle operates across a range of industry sectors, from fintech, energy, and digital health, to industrial IoT and oil and gas.

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    Clients

    • Virgin Money

    Industries

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