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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1$25,000+1,000 - 9,999 employeesWoodbridge Township, NJSoftware development company Vention is headquartered in New York, New York; Marietta, Georgia; Woodbridge Township, New Jersey and London, England. The large team provides Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more. The firm was established in 2002.Read More
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IBM PayPal pwc IC MarketsIndustries
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2$1,000+50 - 249 employeesHertfordshire, EnglandRead More
IIH Global is a midsize custom software development company. The Hertfordshire, England-based firm was established in 2013. Their team provides Custom Software Development, Mobile App Development, Web Design, Web Development, and more.
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FLOORS TO WALLS Inode Ultimate Player HQ PharmsmartIndustries
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3$10,000+250 - 999 employeesLondon, EnglandRead More
SENLA is a custom software development company. Their midsize team is based in Warszawa, Poland; London, England and Zagreb, Croatia. The company offers Custom Software Development, Web Development, Mobile App Development, Blockchain, and more. The company was founded in 2012.
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Abbott BOSCH KPMG Western UnionIndustries
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4$50,000+250 - 999 employeesLondon, EnglandLaunched in 2006, SPD Technology is a software development company. Their midsize team is located in London, England; Kyiv, Ukraine; București, Romania and Aradippou, Cyprus. Their team offers Custom Software Development, Artificial Intelligence, and IT managed services.Read More
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PitchBook GoDaddy Roche MorningstarIndustries
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5$25,000+250 - 999 employeesLondon, EnglandRead More
Future Processing, a software development firm, was founded in 2000. They are based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany and have a midsize team. Future Processing provides Custom Software Development, cloud consulting & SI, BI & big data consulting & SI, Web Development, and more.
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AllocateIndustries
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6$50,000+250 - 999 employeesLjubljana, SloveniaInfinum, a custom software development company, was founded in 2005. The firm offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more and has a midsize team. The firm is in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia.Read More
Clients
PhilipsIndustries
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7$10,000+250 - 999 employeesNovi Sad, SerbiaVega IT is a midsize software development firm established in 2008. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more. The agency is headquartered in Novi Sad, Serbia; New York, New York and London, England.Read More
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8$10,000+50 - 249 employeesLondon, EnglandRead More
Old.St Labs is a London, England-based custom software development firm. Founded in 2020, the midsize team specializes in Custom Software Development, Web Development, Mobile App Development, and Artificial Intelligence.
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Mariana UFP The Military App Allegr Pixel ArtworksIndustries
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9$25,000+1,000 - 9,999 employeesLondon, EnglandItransition is a custom software development company founded in 1998. Their large team is located in Denver, Colorado; London, England; Vilnius, Lithuania and Warszawa, Poland and specializes in Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, ERP consulting and SI, and more.Read More
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ExpediaIndustries
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10$25,000+250 - 999 employeesLondon, EnglandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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11$1,000+1,000 - 9,999 employeesLondon, EnglandRead More
Dotsquares is an IT managed services company in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The firm specializes in IT managed services, Web Development, Custom Software Development, Mobile App Development, and more and has a large team.The firm was founded in 2002.
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EricssonIndustries
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12$10,000+250 - 999 employeesLondon, EnglandRead More
Launched in 2000, *instinctools is a software development company. The midsize team specializes in Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm is in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.
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Daimler Fujitsu Nostrum SpexAIIndustries
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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$25,000+1,000 - 9,999 employeesLondon, EnglandLocated in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England, TatvaSoft is a custom software development firm. The large firm was launched in 2001. Their services include Custom Software Development, Web Development, Mobile App Development, and cloud consulting & SI.Read More
Clients
Anglo AmericanIndustries
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15$100,000+1,000 - 9,999 employeesWrocław, PolandN-iX, a big data analytics company, was founded in 2002. In North Miami Beach, Florida; Malmö, Sweden; North Miami Beach, Florida and Kraków, Poland, their large team provides BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more.Read More
Clients
Bosch Siemens eBay Total EnergiesIndustries
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16$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Andersen Inc. Is a software development company based in Warszawa, Poland; Kraków, Poland; Dallas, Texas and London, England. The large team provides Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The agency was established in 2007.
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SamsungIndustries
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17$50,000+1,000 - 9,999 employeesCraiova, RomaniaRead 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$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.
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BNY Mellon DPD Acino DRAXIndustries
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19$25,000+50 - 249 employeesLondon, EnglandMidsize software development firm GoodCore Software, is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Founded in 2005, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.Read More
Clients
PMLL GCBF Hirevine London Women's ClinicIndustries
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20$100,000+1,000 - 9,999 employeesNew York, NYSoftware development firm DataArt is located in New York, New York; Zug, Switzerland; London , England and München, Germany. Established in 1997, the large team provides Custom Software Development, IoT development, Artificial Intelligence, BI & big data consulting & SI, and more.Read More
Clients
Ocado Technology Metro Markets Nasdaq InvescoIndustries
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21$10,000+10 - 49 employeesLondon, EnglandRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
Clients
Vodacom BMW Liberty Life Signal HillIndustries
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22$25,000+250 - 999 employeesLondon, EnglandRobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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23$5,000+50 - 249 employeesKazhakkoottam, IndiaRead More
ZOONDIA is a software development company based in Kazhakkoottam, India; Kozhikode, India; Dubai, United Arab Emirates and Miami, Florida. Established in 2008, the midsize team provides Custom Software Development, Web Development, Mobile App Development, IoT development, and more.
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24$10,000+50 - 249 employeesLondon, EnglandThe Codest is a midsize IT staff augmentation company launched in 2009. Their team provides 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
Clients
Mixfit Inc. (CH)Industries
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25$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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26$10,000+50 - 249 employeesLondon, EnglandInfluential Software is a London, England-based software development firm. The midsize team focuses on Custom Software Development, Web Development, BI & big data consulting & SI, IT managed services, and more and was founded in 1993.Read More
Clients
DeloitteIndustries
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27$50,000+50 - 249 employeesLondon, EnglandRead More
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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28$5,000+10 - 49 employeesLondon, EnglandTH-EY, a custom software development firm, is based in London, England and Kraków, Poland. They offer Custom Software Development, UX/UI Design, Mobile App Development, Application Testing, and more and were launched in 2017.Read More
Clients
LaunchworksIndustries
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29$5,000+1,000 - 9,999 employeesSt Albans, EnglandFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
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Farfetch IPSOS Elfa Group BTG PactualIndustries
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30$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
Clients
Virgin TrainsIndustries
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