Top 100 C# Developers in the United Kingdom
The Best of January 2026Looking for a top C Sharp software development company in the United Kingdom?
The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.
To assist you in your search for a partner, we’ve compiled this list of the top C# developers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best United Kingdom C Sharp (C#) Software Development Companies
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151$50,000+250 - 999 employeesLeeds, EnglandFounded in 2014, Infinity Works is a custom software development company. Located in Leeds, England and London, England, the team focuses on Custom Software Development and cloud consulting & SI.Read More
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152$10,000+2 - 9 employeesEdinburgh, ScotlandWEB is a software development firm. Located in Edinburgh, Scotland, the firm was founded in 1995. Their team specializes in Custom Software Development and Conversion Optimization.Read More
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153$1,000+10 - 49 employeesIlford, EnglandWeb design agency Bestech Private Ltd is in Ilford, England and London, England. The small team focuses on Web Design, UX/UI Design, IT managed services, Custom Software Development, and more and was founded in 2014.Read More
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154$10,000+50 - 249 employeesLondon, EnglandDigiata is a custom software development firm founded in 2001. The firm offers Custom Software Development and Enterprise App Modernization.Read More
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Vitality Discovery Insurance Allan Gray Old MutualIndustries
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155$10,000+2 - 9 employeesLiverpool, EnglandCustom software development company Simul provides Custom Software Development and AR/VR development. They are based in Liverpool, England.Read More
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Microsoft Game StudiosIndustries
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156$10,000+50 - 249 employeesLondon, EnglandSriggle Tech is a social media marketing firm headquartered in Faridabad, India and Dubai, United Arab Emirates. They offer Social Media Marketing and Search Engine Optimization.Read More
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Yatra Holidays Holiday Market Silver Tray Hi ToursIndustries
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157$50,000+250 - 999 employeesLondon, EnglandSovTech UK is an IT staff augmentation company. They are headquartered in London, England and have midsize team. They offer IT staff augmentation and Custom Software Development.Read More
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158Undisclosed2 - 9 employeesBristol, EnglandSoftware development firm Elastic Mint was established in 2018. The team focuses on Custom Software Development.Read More
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159Undisclosed2 - 9 employeesBletchley, England4fx Design and Multimedia is an application development firm. The Bletchley, England-based company was founded in 2000. Their services include Mobile App Development and Web Design.Read More
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160$10,000+250 - 999 employeesLondon, EnglandIn Johannesburg, South Africa and London, England, DVT is a data analytics company. Their services include BI & big data consulting & SI and IT staff augmentation.Read More
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Nedgroup InvestmentsIndustries
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161Undisclosed2 - 9 employeesEdinburgh, ScotlandSharp Coders is a cloud consulting & SI company. Established in 2023, the agency is based in Edinburgh, Scotland. Their services include cloud consulting & SI and Custom Software Development.Read More
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162$1,000+2 - 9 employeesLondon, EnglandDashro Solutions is a software development company. They offer Custom Software Development and Application Management & Support and are in London, England.Read More
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163Undisclosed10 - 49 employeesStretford, EnglandCybersecurity company Aspire IT Services Ltd focuses on Cybersecurity and IT managed services. They are located in Stretford, England.Read More
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164$1,000+2 - 9 employeesMalvern, EnglandHaste Software Ltd, a custom software development firm, was founded in 2016. The firm provides Custom Software Development and Web Development, and is small.Read More
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165$5,000+10 - 49 employeesLondon, EnglandFounded in 2018, Nodlays is a small London, England-based CRM consulting and SI company. Their team specializes in CRM consulting and SI and Custom Software Development.Read More
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166$50,000+10 - 49 employeesLondon, EnglandSoftware Development UK is a custom software development firm. The London, England-based agency was founded in 2021. Their team offers Custom Software Development and Artificial Intelligence.Read More
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167Undisclosed10 - 49 employeesKeynsham, EnglandIT managed services company soVision IT focuses on IT managed services and Custom Software Development. They are based in Keynsham, England.Read More
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168Undisclosed50 - 249 employeesRichmond, EnglandGislen Software is a custom software development firm established in 1994. Their team specializes in Custom Software Development and Web Development.Read More
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169$10,000+10 - 49 employeesLondon, EnglandSoftware development company Xamun was founded in 2015. The small team provides Custom Software Development and Artificial Intelligence.Read More
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170$1,000+10 - 49 employeesManchester, EnglandD55 is a cloud consulting & SI company. They are in Manchester, England. Their team provides cloud consulting & SI and Custom Software Development.Read More
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171$50,000+50 - 249 employeesStanway,Colchester, EnglandFounded in 1997, Kott Software is a custom software development firm. Their team provides Custom Software Development and Web Development.Read More
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172$25,000+10 - 49 employeesDundee, ScotlandPocket Sized Hands is an AR/VR development company located in Dundee, Scotland. The team provides AR/VR development and Custom Software Development.Read More
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173Undisclosed10 - 49 employeesCheltenham, EnglandSAS Managed Applications is an UX company. They are headquartered in Cheltenham, England, and their services include UX/UI Design and Web Development.Read More
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174$1,000+2 - 9 employeesALTRINCHAM, EnglandAncyra Solutions Ltd, a custom software development company, specialize in Custom Software Development and Web Development. They were launched in 2014.Read More
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175Undisclosed250 - 999 employeesLake Oswego, ORFounded in 1986, Online Business Systems is a Cybersecurity company. The team specializes in Cybersecurity and IT strategy consulting.Read More
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176$10,000+2 - 9 employeesPlymouth, EnglandDisruption Works is a Generative AI company. Located in Plymouth, England, the company was established in 2017. Their services include Generative AI and API Development.Read More
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Atlanta Insurance GroupIndustries
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177$25,000+10 - 49 employeesLondon, EnglandGIS-point is a custom software development firm. The team is located in London, England and Tallinn, Estonia, and their services include Custom Software Development and Web Development.Read More
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178$5,000+50 - 249 employeesLondon, EnglandSpacecore is a custom software development company. The midsize Chișinău, Moldova-based team specializes in Custom Software Development and ERP consulting and SI. The agency was founded in 2017.Read More
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179$10,000+50 - 249 employeesMarston Green, EnglandSoftware development company Jumar Technology was founded in 1999. The midsize team focuses on Custom Software Development and Enterprise App Modernization.Read More
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180$10,000+10 - 49 employeesMilton Keynes, EnglandLaunched in 2007, Spinbox is a software development company. The team provides Custom Software Development and Web Development.Read More
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Check out a C# Developers in United Kingdom with the most new reviews in the past 12 months.
Most Reviewed
C# Developers
United Kingdom
- 11 5 new reviews
- 12 4 new reviews
- 13 4 new reviews
- 14 3 new reviews
- 15 3 new reviews
