Top 100 Java Development Companies in London
The Best of December 2025Looking 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. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
>List of the Best London Java Developers
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31$10,000+10 - 49 employeesLondon, EnglandRead More
ExpandX is a web development firm. Their small team is in Sofia, Bulgaria; London, England; München, Germany and New York, New York. The firm specializes in Web Development, Social Media Marketing, Pay Per Click, E-Commerce Development, and more. The firm was established in 2015.
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High Touch Investment Corp Inc (USA) Assent Inc (Canada and USA) South Themes Colleges Group (UK) Airhosted (Switzerland)Industries
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32$50,000+50 - 249 employeesLondon, EnglandMetasite is a midsize software development firm established in 1997. Their services include Custom Software Development, Enterprise App Modernization, Generative AI, AI Agents, and more. The firm is based in Vilnius, Lithuania and London, England.Read More
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Man Group WTW BLME British LandIndustries
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33$25,000+250 - 999 employeesLondon , EnglandRead More
RNDpoint (former PST Labs) is a London-based development firm. The team of over 50 provides mobile app, custom software and web development services. Founded in 2014, they primarily serve enterprise businesses in the financial services industry.
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First Abu Dhabi Bank Basis Bank FICO TeraDataIndustries
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34$50,000+250 - 999 employeesLondon, EnglandRead More
Opinov8 Digital and Engineering Solutions is a cloud consulting & SI company launched in 2017. The firm provides cloud consulting & SI, IT staff augmentation, BI & big data consulting & SI, Custom Software Development, and more and has a midsize team. The firm is located in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England.
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Fortune 500 CompaniesIndustries
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35$25,000+50 - 249 employeesCobham, EnglandMobcoder, an IT staff augmentation company, is located in Seattle, Washington; Cobham, England; Ghaziabad, India and Burnaby, Canada. The midsize company was launched in 2014. Their services include IT staff augmentation, Artificial Intelligence, UX/UI Design, BI & big data consulting & SI, and more.Read More
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General millsIndustries
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36$50,000+50 - 249 employeesLondon, EnglandIntellectsoft is a software development company founded in 2007. The agency provides Custom Software Development, Mobile App Development, IT staff augmentation, Web Development, and more and has a midsize team. The agency is based in Miami, Florida; London, England; Oslo, Norway and Kyiv, Ukraine.Read More
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MitsubishiIndustries
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37$5,000+250 - 999 employeesLondon, EnglandRead More
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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British TelecomIndustries
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38$10,000+10 - 49 employeesLondon, EnglandRead More
5StarDesigners is a design agency founded in London in 2013 with more than 10 members. They are experts in UX/UI design, mobile app development, and custom software development solutions for small and medium-sized companies.
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SwikeIndustries
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39$50,000+10 - 49 employeesBerlin, GermanyBoldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.Read More
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ValoraIndustries
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40$10,000+1,000 - 9,999 employeesLondon, EnglandXebia is a large cloud consulting & SI company launched in 2001. Their team provides cloud consulting & SI, IT strategy consulting, Custom Software Development, BI & big data consulting & SI, and more. The agency is in Wrocław, Poland; Rzeszów, Poland; Gdańsk, Poland and Atlanta, Georgia.Read More
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YellIndustries
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41$25,000+50 - 249 employeesAlexandria, VAPlavno, an app development firm, was established in 2007. The midsize team offers Mobile App Development, Artificial Intelligence, Custom Software Development, Web Development, and more. The company is headquartered in Alexandria, Virginia; Berlin, Germany; Calgary, Canada and London, England.Read More
Clients
Mercedes, Xerox, Kia, eBay, PayPal, Amazon , IBM, Bank, MediacubeIndustries
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42$25,000+50 - 249 employeesLondon, EnglandInnovify is an artificial intelligence development company. Founded in 2011, the midsize agency is located in London, England; San Francisco, California; Austin, California and New York, New York. Their services include Artificial Intelligence, AI Consulting, Custom Software Development, IT strategy consulting, and more.Read More
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ARM INCIndustries
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43$5,000+10 - 49 employeesLondon, EnglandRead More
Mifort is a web development firm. Founded in 2015, the team focuses on web development and mobile app development. Their small company is Tallinn, Estonia-based.
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44Undisclosed10 - 49 employeesLondon, EnglandBlue Ripples Technologies Private Limited is a software development company headquartered in Kulathoor, India; London, United Kingdom and Thiruvananthapuram, India. The midsize agency was launched in 2012. Their team provides custom software development, IoT development, Artificial Intelligence, and other application development.Read More
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45$25,000+50 - 249 employeesLondon, EnglandWaracle, a software development firm, was established in 2004. Their midsize team is based in London, England; Dundee, Scotland; Edinburgh, Scotland and Glasgow, Scotland and provides Custom Software Development, Mobile App Development, Artificial Intelligence, Web Development, and more.Read More
Clients
Virgin MoneyIndustries
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46$25,000+10 - 49 employeesLondon, EnglandIn London, England and New York, New York, KOTA is a branding firm. The agency focuses on Branding, Web Design, Web Development, and AR/VR development and is small.The agency was established in 2013.Read More
Clients
Penguin Books & Jamie Oliver UPP DK&A WoganIndustries
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47$25,000+10 - 49 employeesTirana, AlbaniaAtraX is a small IT strategy consulting company. The Tirana, Albania-based company was established in 2015. Their services include IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
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48$10,000+50 - 249 employeesLondon, EnglandLimeup is a London, England-based custom software development firm. Launched in 2019, the midsize team offers Custom Software Development, Mobile App Development, and Web Design.Read More
Clients
Connect44Industries
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49$10,000+250 - 999 employeesLondon, EnglandRead More
Softwire is a digital design, engineering and support agency, with offices in London, Cambridge and Manchester. Employing over 200 engineers we create bespoke digital software, mobile apps, and offer strategic IT consulting for some of the UK’s leading brands including the BBC, David Lloyd Clubs, Channel 5 and many large Government Departments.
Clients
The BBCIndustries
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50$50,000+50 - 249 employeesLondon, EnglandSigli is a software development company. Their midsize team is in Antwerpen, Belgium; Vilnius, Lithuania; London, England and Amsterdam, Netherlands. The agency offers Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, AI Consulting, and more. The agency was established in 2015.Read More
Clients
Sensotec NVIndustries
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51$25,000+50 - 249 employeesLondon, EnglandIn London, England; L'viv, Ukraine and Warszawa, Poland, Impressit is a Generative AI company. The firm offers Generative AI, AI Consulting, IT staff augmentation, Custom Software Development, and more and is midsize.The firm was launched in 2018.Read More
Clients
ShellIndustries
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52$25,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
VodoriIndustries
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53$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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54$10,000+10 - 49 employeesLondon, EnglandRead More
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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Red5Pro.comIndustries
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55$5,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
UK Planet ToolsIndustries
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56$5,000+50 - 249 employeesLondon, EnglandPixelfield is an UX design agency in London, England and Praha 8, Czech Republic. The agency focuses on UX/UI Design, Mobile App Development, Web Design, Product Design, and more and has a midsize team.The agency was launched in 2012.Read More
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Raiffeisen BankIndustries
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57$50,000+50 - 249 employeesLondon, EnglandThinslices Development, a website development company, is located in Iași, Romania and London, England. The midsize firm was established in 2010. Their team focuses on Web Development, Mobile App Development, and UX/UI Design.Read More
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58$50,000+250 - 999 employeesLondon, EnglandRead More
Parkside Interactive is a software company founded in 2007 with more than 50 members. They provide custom software development, enterprise app modernization, and UX/UI design services from their office in Graz, Austria. They work primarily with small businesses.
Clients
LinkedInIndustries
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59$10,000+50 - 249 employeesLondon, EnglandRead More
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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60$25,000+10 - 49 employeesTallinn, EstoniaRead More
Umber.Tech — Fintech & Highload Experts is a Microservices Architecture Services company. Their small team is located in Tallinn, Estonia; Dubai, United Arab Emirates; Hannover, Germany and Boston, Massachusetts and offers Microservices Architecture Services, Web Development, Mobile App Development, UX/UI Design, and more. The agency was founded in 2017.
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Benzinga OLX AmeriaIndustries
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