Top 100 Java Development Companies in the United Kingdom
The Best of April 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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1$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
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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IBM PayPal pwc IC MarketsIndustries
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2$1,000+50 - 249 employeesHertfordshire, EnglandIIH Global is a midsize software development company. The Hertfordshire, England-based firm was founded in 2013. Their services include Custom Software Development, Mobile App Development, Web Design, Web Development, and more.Read More
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FLOORS TO WALLS Inode Ultimate Player HQ PharmsmartIndustries
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3$10,000+250 - 999 employeesLondon, EnglandLaunched in 2012, SENLA is a software development firm. Headquartered in Warszawa, Poland; London, England and Zagreb, Croatia, their midsize team provides Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
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Abbott BOSCH KPMG Western UnionIndustries
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4$25,000+250 - 999 employeesLondon, EnglandRead More
Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry.
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BNP ParibasIndustries
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5$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others.
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ExpediaIndustries
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6$100,000+1,000 - 9,999 employeesLondon, EnglandN-iX, an IT staff augmentation company, was launched in 2002. The agency provides IT staff augmentation, Custom Software Development, BI & big data consulting & SI, Artificial Intelligence, and more and has a large team. The agency is located in North Miami Beach, Florida; Malmö, Sweden; North Miami Beach, Florida and Kraków, Poland.Read More
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Bosch Siemens eBay Total EnergiesIndustries
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7$10,000+250 - 999 employeesLondon, EnglandVega IT is a midsize software development company. Founded in 2008, the firm is located in Novi Sad, Serbia; New York, New York and London, England. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.Read More
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8$25,000+250 - 999 employeesLondon, EnglandFuture Processing is a custom software development company located in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany. The agency offers Custom Software Development and cloud consulting & SI and has a midsize team.The agency was founded in 2000.Read More
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AllocateIndustries
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9$25,000+250 - 999 employeesLondon, EnglandRead More
Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.
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PhilipsIndustries
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10$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
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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SamsungIndustries
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11$50,000+1,000 - 9,999 employeesBasingstoke, EnglandLaunched in 1999, Software Mind is an IT strategy consulting company. Their large team is headquartered in Kraków, Poland; Warszawa, Poland; Rzeszów, Poland and Bielsko-Biała, Poland and offers IT strategy consulting, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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Backbase Baillie Gifford Branch CallcreditIndustries
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12$50,000+250 - 999 employeesLondon, EnglandSPD Technology is a custom software development company based in London, England; Kyiv, Ukraine; București, Romania and Aradippou, Cyprus. The firm offers Custom Software Development, Web Development, Mobile App Development, IT managed services, and more and has a midsize team.The firm was founded in 2006.Read More
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PitchBook DataIndustries
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13$25,000+50 - 249 employeesLondon, EnglandRead More
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.
Clients
Ply LCM Digital Fly Jets ThriveIndustries
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14$10,000+10 - 49 employeesLondon, EnglandSprint Innovations is a small software development firm located in London, England and Brno, Czech Republic. Founded in 2014, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.Read More
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Virgin TrainsIndustries
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15$10,000+10 - 49 employeesLondon, EnglandRead More
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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KoponaIndustries
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16$10,000+50 - 249 employeesLondon, EnglandThe Codest is a midsize IT staff augmentation company launched in 2009. Their team focuses on IT staff augmentation, Custom Software Development, Web Development, and DevOps Managed Services. The firm is in London, England; Cracow, England; Warszawa, Poland and Berlin, Germany.Read More
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Mixfit Inc. (CH)Industries
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17$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Pentalog is a large Brașov, Romania-based custom software development company. Established in 1993, the team offers custom software development, IT staff augmentation, e-commerce development, and web development.
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AdidasIndustries
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18$100,000+1,000 - 9,999 employeesLondon , EnglandRead More
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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Ocado Technology Metro Markets Nasdaq InvescoIndustries
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19$10,000+250 - 999 employeesLondon, EnglandRead More
*instinctools is a leading AI and software development company with 25+ years of experience in guiding global businesses through Digital Transformation.
Their comprehensive services include: AI and Machine Learning development, Custom Software Solutions, BI & Big Data, IoT, and Enterprise Automation through an innovative approach and global presence as they have teams in United States, UK, Germany, Poland and Canada.Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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20$25,000+1,000 - 9,999 employeesLondon, EnglandELEKS is a software development company. Their large team is located in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. The company provides Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.Read More
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BNY Mellon DPD Acino DRAXIndustries
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21$5,000+1,000 - 9,999 employeesLondon, EnglandRead More
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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EricssonIndustries
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22$5,000+50 - 249 employeesLondon, EnglandRead More
Default-Value Software Developers is an e-commerce development company. They specialize in e-commerce development, custom software development, and web development and were founded in 2010. Their small team is Chercassy, Ukraine-based.
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Quad NovaIndustries
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23$5,000+10 - 49 employeesMaidstone, EnglandRead More
3SIX5 - Best Webflow & No Code Agency In UK is a web design agency and website development company. They offer web design and web development and were founded in 2016. Their small team is in Maidstone, United Kingdom.
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The City Of LondonIndustries
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24$5,000+50 - 249 employeesLondon, EnglandDigis is an IT staff augmentation company. They focus on IT staff augmentation, Web Development, Custom Software Development, and AR/VR development and were launched in 2015. Their midsize team is L'viv, Ukraine-based.Read More
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Blablacar Hubspot PwC HumaIndustries
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25$5,000+10 - 49 employeesLondon, EnglandSoftware development firm TH-EY is based in London, England and Kraków, Poland. The small firm was founded in 2017. Their team specializes in Custom Software Development, UX/UI Design, Mobile App Development, Application Testing, and more.Read More
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LaunchworksIndustries
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26$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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27$25,000+50 - 249 employeesLondon, EnglandGoodCore Software is a software development firm launched in 2005. They are located in London, England; Karachi, Pakistan and Cyberjaya, Malaysia and have a midsize team. Their services include Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.Read More
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PMLL GCBF Hirevine London Women's ClinicIndustries
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28Undisclosed10 - 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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29$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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30$10,000+50 - 249 employeesLondon, EnglandPecode is an Application Testing company located in Tallinn, Estonia; L'viv, Ukraine; London, England and Houston, Texas. The midsize firm was established in 2017. Their services include Application Testing, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Industries
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