Top 100 Java Development Companies in London

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Top 100 Java Development Companies in London

The Best of April 2024

Looking for a top Java developer in London?

Getting started with the Java programming language can be difficult, especially when you go at it alone.

To assist you in your search for a partner, we’ve compiled this list of the top Java development companies in London. 

Jump to Most Reviewed Companies

List of the Best London Java Developers

  • 31
    (26 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

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  • 32
    (26 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.9
    • $100,000+
    • 1,000 - 9,999 employees
    • London , United Kingdom

    DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

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    Clients

    • The Carlyle Group

    Industries

  • 33
    (18 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.9
    • $50,000+
    • 250 - 999 employees
    • London, United Kingdom

    Headquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.

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    Clients

    • Fortune 500 Companies

    Industries

  • 34
    (18 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

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

    Supercharge is a digital production firm that is headquartered in Budapest, Hungary with a second office in London. Founded in 2010, Supercharge's team of more than 100 employees specializes in web and mobile app development. The firm also offers UI/UX design services to its clients.  

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    Industries

  • 35
    (19 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.7
    • Would Recommend

      4.8
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Located in Ahmedabad, India with additional offices in the US and UK, Innovify has been delivering high quality solutions since 2011. Although the team of nearly 130 specializes in mobile app development, they also engage in growth hacking, consulting, and UX design.

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    Clients

    • ARM INC

    Industries

  • 36
    (45 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

  • 37
    (12 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

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

    AtraX is a small website development company established in 2006. Their services include web development, custom software development, graphic design, IT strategy consulting, and more. The company is in Florence, Italy and Tirana, Albania.

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    Industries

  • 38
    (3 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

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

    Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.

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    Clients

    • Deloitte

    Industries

  • 39
    (37 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

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

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

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    Clients

    • Mitsubishi

    Industries

  • 40
    (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

  • 41
    (12 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.2
    • Would Recommend

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

    Global Talent is an IT firm based in London with more than 50 experts. Since their founding in 2017, they have provided IT staff augmentation, custom software development, and IT strategy consulting solutions for clients ranging from small firms to large companies.

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    Clients

    • Vodori

    Industries

  • 42
    (13 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

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

    Founded in 2009, Trembit is a full-service software development company based in Kiev. The team of 35+ provides custom software development, e-commerce development, web development, and mobile app development for mainly small businesses. 

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    Clients

    • Red5Pro.com

    Industries

  • 43
    (11 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

    Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.

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    Clients

    • Connect44

    Industries

  • 44
    (5 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.9
    • Would Recommend

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

    Web design company Brander Studio is located in Kharkiv, Ukraine. The midsize agency was founded in 2009. Their team provides web design, mobile app development, web development, and digital strategy.

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    Clients

    • UK Planet Tools

    Industries

  • 45
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      3.6
    • Would Recommend

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

    Blockchain company Bitorix was founded in 2018. Their small team is headquartered in London, United Kingdom. Bitorix provides blockchain, custom software development, and web development.

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    Industries

  • 46
    (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

  • 47
    (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.

    Read More

    Industries

  • 48
    (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.

    Read More

    Industries

  • 49
    (11 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 250 - 999 employees
    • London, United Kingdom

    Coders Dev is a web design and mobile app development company based in London with offices in Singapore and Abu Dhabi, U.A.E. The company, founded in 2010, has more than 500 employees and provides web development and AI services. Coders Dev serves small and larger-sized companies in the health care & medical, hospitality & leisure, consumer products & services, financial services, gaming, telecommunications, automotive, manufacturing, and e-commerce industries. 

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    Clients

    • British Telecom

    Industries

  • 50
    (31 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

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

    Mobcoder is a software development company based in Seattle. They also have an office in Noida, India. Founded in 2014, their team of 40 employees provides mobile app development, custom software, and web development services to its midmarket and small business clients. They also serve enterprise clients. 

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    Clients

    • General mills

    Industries

  • 51
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    Softexpoit Pvt. Limited, a mobile application development company, was founded in 2021. The small London, United Kingdom-based team specializes in mobile app development, custom software development, other application development, application management & support, and more.

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    Clients

    • Framers Group Sarl Switzerland

    Industries

  • 52
    (11 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

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

    Blott.io, a small mobile app development firm, is in London, United Kingdom; Johannesburg, South Africa and Colombo, Sri Lanka. They provide mobile app development, ux/ui design, product design, custom software development, and more and were founded in 2018.

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    Industries

  • 53
    (5 Reviews) 5.0
    • Timeliness

      4.7
    • Service Excellence

      5.0
    • Value

      4.2
    • Would Recommend

      4.6
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

     Cefar is a digital agency founded in 2006 and headquartered in Leeds, UK with an office in London. Their team of 20 provides PPC, web design, graphic design, and web development services. 

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    Clients

    • Hillsborough Fencing

    Industries

  • 54
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    200OK Solutions is a mobile app development firm based in Ahmedabad, India. Founded in 2009, their team of 30 serves clients in the hospitality, transportation, and dental sectors. Services include custom software development and web design.

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    Clients

    • My Manu

    Industries

  • 55
    (10 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    Pixelfield is a digital agency based in London. Founded in 2012, their team of around 15 employees specializes in UX/UI design, product design, and custom software development.

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    Clients

    • Raiffeisen Bank

    Industries

  • 56
    (17 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Hyper Apps is a mobile technology firm founded in 2015 with offices in Cluj-Napoca, Romania, Sydney and Melbourne, Australia, and London. Hyper Apps' team of about 100 employees specializes in mobile app development, web development, and UI/UX design.

    Read More

    Industries

  • 57
    (10 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

    Artificial intelligence company blackthorn.ai is headquartered in London, United Kingdom. Launched in 2021, the small team offers Artificial Intelligence, IT staff augmentation, and custom software development.

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    Clients

    • One.Skin Technologies LLC

    Industries

  • 58
    (14 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

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

    Applifting is a software studio based in Prague. Since 2014, their team of 70+ has been specializing in custom software development, digital strategy, and UX/UI design. 

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    Clients

    • Adidas

    Industries

  • 59
    (20 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

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

    KOTA - Creative Digital Agency is a creative digital agency based in London operated by a team of less than 50 people. Since 2013, they have provided solutions in web design, digital strategy, and advertising. They also offer branding services with a focus on corporate identity, brand messaging, and brand strategy.

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    Clients

    • Penguin Books & Jamie Oliver

    Industries

  • 60
    (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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