Top 100 Java Development Companies in the United Kingdom
The Best of December 2025Looking for a top Java developer in the United Kingdom?
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 United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Java Developers
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91$5,000+10 - 49 employeesLondon, EnglandOzeito is an UX company. Their small team is located in London, England and Faisalabad, Pakistan. The agency provides UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more.Read More
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92$25,000+10,000+ employeesMumbai, IndiaRead More
Datamatics (formerly TechJini, Inc) is a mobile app development company based in Bangalore, India with an additional office in Princeton, N.J. The company was founded in 2005 and has grown since then to a team of about 300. They provide mobile app and web development, UX/UI design, and IT strategy consulting.
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HoneywellIndustries
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93$5,000+10 - 49 employeesLondon, EnglandRead More
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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My ManuIndustries
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94$10,000+10 - 49 employeesBrighton and Hove, EnglandASquared, a software development firm, is headquartered in Brighton and Hove, England. Founded in 2017, the small team focuses on Custom Software Development, Mobile App Development, UX/UI Design, Other Application Development, and more.Read More
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HCAIndustries
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95$25,000+50 - 249 employeesLondon, EnglandHeadquartered in London, England and Prague, Czech Republic, Applifting is a custom software development firm. Founded in 2014, the midsize team offers Custom Software Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.Read More
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AdidasIndustries
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96$50,000+10 - 49 employeesSHEFFIELD, EnglandRead More
REYT is a web design company located in Sheffield, United Kingdom. The small firm was founded in 2021. Their team provides web design, ux/ui design, web development, and mobile app development.
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97$5,000+10 - 49 employeesSintra, PortugalLAB325 is a web development company. The small Sintra, Portugal-based agency was established in 2016. Their team offers Web Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.Read More
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98$5,000+10 - 49 employeesLondon, EnglandRead More
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.
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99$25,000+10 - 49 employeesLondon, EnglandRead More
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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100$10,000+10 - 49 employeesLondon, EnglandKeyToTech is an application development company located in London, England; L'viv, Ukraine and London, England. The small company was launched in 2017. Their team provides Mobile App Development, Artificial Intelligence, Custom Software Development, Generative AI, and more.Read More
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Meest Post CyclingHero DonorSeeIndustries
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101$25,000+10 - 49 employeesLeicester, EnglandSparkTech is a custom software development company. The small Sarajevo, Bosnia and Herzegovina-based company was founded in 2020. Their team provides custom software development, web development, and mobile app development.Read More
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102Undisclosed10,000+ employeesLondon, EnglandRead More
Zensar Technologies is a software services company founded in 1991, currently employing over 10,000. Their headquarters is in Pune, India, with multiple offices worldwide in India, Europe, and the U.S. They offer services in ERP consulting and SI, application management and support, and custom software development. They serve clients in a variety of industries, including financial services, IT, and advertising and marketing.
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103$25,000+10 - 49 employeesLondon, EnglandBlott, an UX company, is based in London, England; Johannesburg, South Africa and Colombo, Sri Lanka. The small company was founded in 2018. Their team specializes in UX/UI Design, Product Design, Artificial Intelligence, Low/No Code Development, and more.Read More
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104Undisclosed10 - 49 employeesLondon , EnglandRead More
IdeaWork Studios is a full-service advertising, development, and design agency founded in 1999. Headquartered in New York City, the company also has offices in Santa Barbara, CA and Las Vegas, NV. The team of more than 20 employees offers branding, web design, web development, and other marketing and design services such as logo and packaging design and email marketing.
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105$100,000+10 - 49 employeesLondon, EnglandRead More
GBMF Tech, a software development firm, was established in 2019. Their small team is headquartered in London, United Kingdom; Citrus Heights, California and Chișinău, Moldova. The firm provides custom software development, web development, mobile app development, and e-commerce development.
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Freight CrewIndustries
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106$25,000+250 - 999 employeesLondon, EnglandWeb design agency IT Labs is headquartered in Palm Beach Gardens, Florida; London, England; Noordwijk, Netherlands and Skopje, North Macedonia. The midsize team focuses on Web Design, BI & big data consulting & SI, UX/UI Design, IT strategy consulting, and more and was launched in 2005.Read More
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107$25,000+50 - 249 employeesLondon, EnglandRead More
Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.
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108$5,000+10 - 49 employeesSurbition, EnglandRead More
Mrmmbs Vision, an application development firm, was established in 2011. The small team provides mobile app development, web development, custom software development, ux/ui design, and more. The agency is located in New Delhi, India and Surbition, United Kingdom.
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109$1,000+10 - 49 employeesBirmingham, EnglandRead More
InfoRox is a web & apps development agency based in Birmingham, U.K. The agency, founded in 2012, has a team of less than ten that provides custom software development, mobile app development, web development, IT managed services, and e-commerce development services. InfoRox serves mid-market and other-sized companies in various industries.
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London Business School -
110$25,000+50 - 249 employeesSouthampton, EnglandHotovo , an IT staff augmentation company, is headquartered in Košice, Slovakia; Southampton, United Kingdom; Buenos Aires, Argentina and Belgrade, Serbia. Established in 2010, the midsize team focuses on IT staff augmentation, enterprise app modernization, web development, mobile app development, and more.Read More
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The Protecht GroupIndustries
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111$25,000+50 - 249 employeesLondon, England2Base Technologies is a custom software development firm headquartered in London, England; Kochi, India; Dover, Delaware and Hilbert, Australia. The midsize agency was established in 2010. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, Enterprise App Modernization, and more.Read More
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United NationsIndustries
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112$10,000+10 - 49 employeesLondon, EnglandTechtiq is a London, England-based app development firm. The small firm was launched in 2017. Their services include Mobile App Development, Web Development, Custom Software Development, and Web Design.Read More
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Oxford UniversityIndustries
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113$1,000+10 - 49 employeesLeeds , EnglandEstablished in 2006, Cefar is a small web design agency. Their team focuses on Web Design, Branding, Search Engine Optimization, UX/UI Design, and more. The agency is based in Leeds , England and London, England.Read More
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Hillsborough Fencing Ginetta NHS Springfield TrainingIndustries
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114$50,000+50 - 249 employeesLondon, EnglandRead More
Vodworks is a London, United Kingdom-based data analytics company. They offer BI & big data consulting & SI, custom software development, broadcast video, IT strategy consulting, and more and were launched in 2011.
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115$1,000+2 - 9 employeesLondon, EnglandRead More
Market Jar is a digital marketing and design agency that was founded in 2017 and is based in London. Their team of 3 employees specializes in SEO, advertising, and email marketing for primarily small business clients in the consumer products, retail, and e-commerce industries.
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116$5,000+50 - 249 employeesBirmingham, EnglandRead More
Ficode is a web, mobile, and software development company based in London with offices in Chandigarh and Gurgaon, India. Founded in 2013, the team of 46 specializes in web design, web development, and e-commerce development. They work primarily with small businesses in the arts, entertainment, music, and e-commerce industries.
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PunctusIndustries
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117$1,000+2 - 9 employeesDownpatrick, Northern IrelandTriggerAppy Ltd is a Downpatrick, Northern Ireland-based custom software development company. The small team focuses on Custom Software Development, Web Development, Mobile App Development, and Other Application Development. The firm was launched in 2012.Read More
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118$25,000+10 - 49 employeesLondon, EnglandRead More
Aleios is a custom software development firm. They are located in London, United Kingdom and have a small team. Their services include custom software development, enterprise app modernization, web development, and other IT consulting and SI. The firm was founded in 2021.
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119$1,000+1,000 - 9,999 employeesCalgary, CanadaInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
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120$25,000+50 - 249 employeesLondon, EnglandDevGrid is a software development firm founded in 2015. Their midsize team is headquartered in London, United Kingdom and Caxias do Sul, Brazil and focuses on custom software development, IoT development, mobile app development, IT staff augmentation, and more.Read More
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Voltaware Services LimitedIndustries
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