Top 100 Software Development Companies in the United Kingdom
The Best of December 2025List of the Best United Kingdom Software Developers
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31$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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32$10,000+250 - 999 employeesLondon, EnglandRead More
Founded in 2015, Transparity is a cloud consulting & SI company. The midsize London, England-based team offers cloud consulting & SI, IT managed services, Custom Software Development, Artificial Intelligence, and more.
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Apex NSPCC NHS LushIndustries
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33$1,000+1,000 - 9,999 employeesShibuya, JapanProbey Services is a web design company founded in 2016. The large team specializes in Web Design, Web Development, Mobile App Development, and Custom Software Development. The agency is based in London, England; New York, New York; Noida, India and Toronto, Canada.Read More
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34$10,000+250 - 999 employeesLondon, EnglandSENLA is a midsize software development company. Located in Warszawa, Poland; London, England and Zagreb, Croatia, the agency was established in 2012. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
Clients
Abbott BOSCH KPMG Western UnionIndustries
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35$10,000+50 - 249 employeesLondon, EnglandBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
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NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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36$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.
Clients
Mariana UFP The Military App Allegr Pixel ArtworksIndustries
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37$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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38$50,000+10 - 49 employeesSarratt, EnglandCustom software development firm Clock Limited was established in 1997. The agency offers Custom Software Development, Mobile App Development, UX/UI Design, and Web Development and has a small team. The agency is headquartered in Sarratt, England and London, England.Read More
Clients
Riot Games Mythical Society Hearst International Tennis FederationIndustries
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39$50,000+10 - 49 employeesEdinburgh, ScotlandZudu, a software development firm, was founded in 2014. They are headquartered in Edinburgh, Scotland and have a small team. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, and Digital Strategy.Read More
Clients
NHSIndustries
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40$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.
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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41$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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42$25,000+250 - 999 employeesLondon, EnglandSTX Next is an AI firm established in 2005. The company focuses on Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Web Development, and more and has a midsize team.Read More
Clients
Mastercard Canon Hogarth ManIndustries
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43$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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44$10,000+10 - 49 employeesBromley, EnglandGoodface agency is a small UX design agency. They offer UX/UI Design, Custom Software Development, and Web Development and were established in 2016.Read More
Clients
Magnetiq Bank 365 Games Corefy KARL STORTZIndustries
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45$10,000+1,000 - 9,999 employeesLondon, EnglandDevsinc is a San Jose, California-based web development firm. The large team focuses on Web Development, Mobile App Development, AR/VR development, Custom Software Development, and more. The company was founded in 2009.Read More
Clients
Xiaomi Levis Al-Jouf (JADCO) Al Rajhi Bank (Saudia Arabia)Industries
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46$10,000+50 - 249 employeesLondon, EnglandEmvigo Technologies Ltd, a software development company, was established in 2012. In London, England; Kochi, India and Dammam, Saudi Arabia, their midsize team provides Custom Software Development, Mobile App Development, Web Design, cloud consulting & SI, and more.Read More
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47$10,000+50 - 249 employeesManchester, EnglandRead More
Launched in 2009, Digica is an artificial intelligence firm. Their midsize team is located in Manchester, England; Łódź, Poland; San Jose, California and Berlin, Germany. Their team offers Artificial Intelligence, Custom Software Development, and AI Consulting.
Clients
LEGOIndustries
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48$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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49$10,000+250 - 999 employeesNottingham, EnglandRead More
Brain Station 23 is a midsize IT staff augmentation company launched in 2006. Their team specializes in IT staff augmentation, Custom Software Development, Mobile App Development, E-Commerce Development, and more. The company is in Springfield, Virginia; Dhaka, Bangladesh; Dhaka, Bangladesh and Dubai, United Arab Emirates.
Clients
Unipet PayPal British Telecom British American TobaccoIndustries
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50$100,000+1,000 - 9,999 employeesBelfast, Northern IrelandSoftware development company unosquare, LLC is headquartered in Portland, Oregon; Guadalajara, Mexico and Belfast, Northern Ireland. The large team provides Custom Software Development, IT staff augmentation, Digital Engineering, UX/UI Design, and more. The agency was established in 2009.Read More
Clients
Axos Financial, Green Dot Bank, GTreasury, G2 Risk Solutions and Blue Owl Private Equity Stitch Fix and IDX Harvard and McGraw Hill Athena Health and Foundation MedicineIndustries
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51$5,000+10 - 49 employeesLondon, EnglandRead More
Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.
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52$25,000+50 - 249 employeesSalford, EnglandIn Salford, England; London, England and Houston, Texas, Digiryte is a cloud consulting & SI company. They focus on cloud consulting & SI, Mobile App Development, Custom Software Development, Digital Strategy, and more and were founded in 2016.Read More
Clients
NHSIndustries
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53$10,000+50 - 249 employeesPraha, Czech RepublicValor Software is a Lakewood, Colorado-based web design company. The midsize company was established in 2013. Their services include Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.Read More
Clients
BreetheIndustries
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54$25,000+10 - 49 employeesLondon, EnglandRead More
Steadfast Collective is a custom software development company established in 2014. The small team focuses on custom software development, web development, and e-commerce development. The agency is located in London, United Kingdom.
Clients
National Caravan CouncilIndustries
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55$25,000+10 - 49 employeesLondon, EnglandBit Zesty is a small Application Management & Support company. Based in London, England, the firm was founded in 2009. Their team focuses on Application Management & Support, Custom Software Development, E-Commerce Development, Web Development, and more.Read More
Clients
Oxford Medical SimulationIndustries
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56$10,000+50 - 249 employeesBarcelona, SpainHalo Lab is a midsize branding agency headquartered in Dubai, United Arab Emirates; New York, New York; 08, Andorra and Odesa, Ukraine. They offer Branding, Web Design, UX/UI Design, Graphic Design, and more and were established in 2013.Read More
Clients
Auth0Industries
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57$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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58$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
Clients
Farfetch IPSOS Elfa Group BTG PactualIndustries
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59$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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60$25,000+10 - 49 employeesLondon, EnglandTotally.Tech is a custom software development company founded in 2000. The agency offers custom software development, enterprise app modernization, mobile app development, and application management & support and has a small team. The agency is headquartered in London, United Kingdom.Read More
Clients
Start Up Loans (British Business Bank)Industries
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Check out a Software Developers in United Kingdom with the most new reviews in the past 12 months.
Software Developers
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