Top 100 Dot Net Developers in London
The Best of December 2025Looking for a top dot net developer in London?
.NET is a powerful, flexible software framework utilized by many businesses. A highly regarded developer can help ensure performance, security, and testing for your company.
To assist you in your search for a partner, we’ve compiled this list of the top dot net developers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London .NET Development Services
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31$10,000+10 - 49 employeesLondon, EnglandBased in London, England; Plymouth, England; Edinburgh, Scotland and Manchester, England, Coreblue is a custom software development firm. The small team offers Custom Software Development, Mobile App Development, IT strategy consulting, Low/No Code Development, and more. The agency was established in 2015.Read More
Clients
Bank of Kigali Executive Nexus ProConveyIndustries
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32$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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33$1,000+1,000 - 9,999 employeesNew Delhi, IndiaSunTec India, a software development company, was launched in 1999. Their large team is in New Delhi, India; Laguna Beach, California and London, England. Their services include Custom Software Development, Digital Engineering, Social Media Marketing, Search Engine Optimization, and more.Read More
Clients
NielsenIndustries
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34$10,000+50 - 249 employeesLondon, EnglandRead More
Snotor is a web development firm. The midsize Rīga, Latvia-based firm was founded in 2007. Their services include Web Development, Mobile App Development, UX/UI Design, IT staff augmentation, and more.
Clients
Defero Hypefill Wellics IsobioticsIndustries
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35$25,000+250 - 999 employeesLondon, EnglandSoftware development company Computools is in New York, New York; London, England; Oslo, Norway and Linz, Austria. The midsize team focuses on Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The firm was established in 2013.Read More
Clients
Visa Epson IBM DiorIndustries
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36$10,000+50 - 249 employeesLondon, EnglandAngry Nerds is a custom software development firm launched in 2015. The agency provides Custom Software Development, UX/UI Design, Web Development, and Mobile App Development and has a midsize team.Read More
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37$25,000+10 - 49 employeesLondon , EnglandRead More
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.
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BetDSIIndustries
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38$10,000+10 - 49 employeesLondon, EnglandRead More
Software agency Atlas - Clever Software is headquartered in Essex and another office in London. With 17 employees, the agency specializes in web, custom software, mobile app development, and more for mainly midmarket businesses.
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BarclaysIndustries
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39$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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OnlyFansIndustries
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40$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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41$25,000+250 - 999 employeesLondon, EnglandHelpware Tech is a midsize San Francisco, California-based IT strategy consulting company. They provide IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more and were founded in 2015.Read More
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Google Microsoft PWC CompIQIndustries
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42$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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43$100,000+250 - 999 employeesLondon, EnglandApadmi is a mobile app development company. The midsize Salford, England-based agency was established in 2009. Their services include Mobile App Development, Mobile & App Marketing, Web Development, and AR/VR development.Read More
Clients
BBCIndustries
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44$1,000+10 - 49 employeesLondon, EnglandE intelligence is a SEO agency founded in 2005. The agency provides Search Engine Optimization, Pay Per Click, Web Development, and Low/No Code Development and has a small team.Read More
Clients
Channers on NorfolkIndustries
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45$10,000+10 - 49 employeesLondon, EnglandHeadChannel Consulting, a software development company, is based in London, England; Katowice, Poland and New York, New York. The small team provides Custom Software Development, Artificial Intelligence, UX/UI Design, Web Development, and more and was founded in 2004.Read More
Clients
The William Pears GroupIndustries
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46$10,000+10 - 49 employeesLondon, EnglandEqual is a São Domingos de Rana, Portugal-based UX agency. The small team focuses on UX/UI Design, Product Design, Custom Software Development, Web Design, and more and was established in 2019.Read More
Clients
Management systems for Hospitality Management systems for Construction Management systems for Logistics Management systems for Energy & UtilityIndustries
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47$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
Clients
Man Group WTW BLME British LandIndustries
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48$25,000+10 - 49 employeesLondon, EnglandRead More
Silicon Reef are a SharePoint development & Microsoft 365 solutions agency. Founded in 2016, they are located in the United Kingdom with offices in London, Chester, and Bournemouth. They offer a range of services from consultancy, campaign-based web or app development, and front-end creative. They also offer full-blown migration, strategic road-mapping, and full-service development partnerships and partner with medium-sized to enterprise clients.
Clients
Unilever -
49$25,000+250 - 999 employeesLondon, EnglandRead More
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
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AudiocodesIndustries
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50$10,000+10 - 49 employeesLondon, EnglandRead More
Web Bureau is a web agency headquartered in Belfast, United Kingdom, with an office in Dublin, Ireland. Since 2005, the company has specialized in web development, pay-per-click, and web design solutions for small and midmarket businesses. They also offer SEO services, focusing on mobile optimization, on-site optimization, and local search, among other methods.
Clients
Harry CorryIndustries
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51$5,000+50 - 249 employeesLondon, EnglandUP THERE, EVERYWHERE, a branding agency, is located in Stockholm, Sweden; Guildford, England; London, England and Hamburg, Germany. The midsize firm was launched in 2011. Their services include Branding, Web Design, Web Development, Market Research, and more.Read More
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52$25,000+50 - 249 employeesSutton, EnglandHeadquartered in Sutton, England and Houston, Texas, Geeks Ltd is a custom software development company. The midsize team focuses on Custom Software Development, Product Design, AI Consulting, Web Development, and more. The company was launched in 2007.Read More
Clients
Search Acumen ChannelPorts BBC easyJetIndustries
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53$10,000+10 - 49 employeesLondon, EnglandRead More
Zesty is a full-service digital agency based in Dublin, Ireland, with additional offices in Belfast, Northern Ireland and London, England. Zesty was founded in 1996 and has 37 employees. Services offered by Zesty include web development, web design, and digital strategy.
Clients
Ulster OrchestraIndustries
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54$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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55$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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56$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.
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The BBCIndustries
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57$25,000+10 - 49 employeesLondon, EnglandJourni, a website development company, is in London, England. Launched in 2022, the small team provides Web Development, IT staff augmentation, Custom Software Development, Artificial Intelligence, and more.Read More
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58$10,000+50 - 249 employeesLondon, EnglandRead More
Blueberry Consultants is a software development company based in Birmingham, U.K., with additional locations in London and Cheltenham, U.K. It was founded in 1997 and has 55 employees. They offer custom software development, mobile app development, web development, and e-commerce development to small business and midmarket clients in the IT, business services, e-commerce, and manufacturing industries.
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NHSIndustries
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59$5,000+10 - 49 employeesLondon, EnglandAuthentic Digital, an UX design company, was launched in 2010. They are located in London, England; Hong Kong, Hong Kong and Kraków, Poland and have a small team. Authentic Digital offers UX/UI Design, Web Design, Custom Software Development, Blockchain, and more.Read More
Clients
J.P. Morgan Asset ManagementIndustries
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60$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.
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VodoriIndustries
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