Top 100 C# Developers in the United Kingdom
The Best of October 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.
List of the Best United Kingdom C Sharp (C#) Software Development Companies
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61$10,000+10 - 49 employeesLondon, EnglandRead More
Rightsoft LTD, a custom software development company, was launched in 2018. Headquartered in London, United Kingdom, their small team offers custom software development, web development, mobile app development, IT strategy consulting, and more.
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AsicsIndustries
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62$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
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The William Pears GroupIndustries
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63$5,000+10 - 49 employeesLondon, EnglandKingIT Solutions is a Blockchain company. Their small team is located in London, England. Their services include Blockchain and Custom Software Development. The company was established in 2014.Read More
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64$10,000+250 - 999 employeesHarrow, EnglandLocated in Vadodara, India; Harrow, England; Konappana Agrahara, India and Round Rock, Texas, Rishabh Software is a software development company. The midsize team specializes in Custom Software Development, Digital Engineering, Enterprise App Modernization, Artificial Intelligence, and more and was established in 1999.Read More
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LindeIndustries
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65$100,000+50 - 249 employeesEdinburgh, ScotlandClearSky is a website development firm. Located in Edinburgh, Scotland and Glasgow, Scotland, their midsize team provides Web Development, Custom Software Development, IT staff augmentation, and Mobile App Development. The firm was founded in 2018.Read More
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66$50,000+10 - 49 employeesManchester , EnglandRead More
Founded in 2010, Silverchip is located in Manchester, United Kingdom. Their team of 13 employees provides mobile app development and custom software development services for enterprise, midmarket, and small businesses.
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Suits Me BankingIndustries
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67$5,000+50 - 249 employeesLoughborough, EnglandUNL Solutions LTD, a software development firm, is headquartered in Loughborough, England and New Rochelle, New York. The midsize firm was founded in 2007. Their services include Custom Software Development, Web Development, Mobile App Development, IT strategy consulting, and more.Read More
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CorevistIndustries
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68$25,000+250 - 999 employeesLondon, EnglandWeb design agency IT Labs is headquartered in Palm Beach Gardens, Florida; London, England; Noordwijk, Netherlands and Skopje, North Macedonia. The midsize team focuses on Web Design, BI & big data consulting & SI, UX/UI Design, IT strategy consulting, and more and was launched in 2005.Read More
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69$5,000+50 - 249 employeesTaunton , EnglandRead More
Software Solved is an Exeter, United Kingdom-based custom software development company. They specialize in custom software development, BI & big data consulting & SI, cloud consulting & SI, Artificial Intelligence, and more and were launched in 1998.
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70$5,000+250 - 999 employeesManchester, EnglandAress Software is a midsize software development firm. They offer Custom Software Development, IT managed services, CRM consulting and SI, Cybersecurity, and more and were founded in 1999. The company is in Nashik, India; Manchester, England; Woburn, Massachusetts and Pune, India.Read More
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71$25,000+50 - 249 employeesLondon, EnglandRead More
Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.
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72$10,000+50 - 249 employeesLondon, EnglandUbistart is a London, England-based software development company. They provide Custom Software Development and Mobile App Development and were launched in 2016.Read More
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73$50,000+50 - 249 employeesLondon, EnglandRead More
Vodworks is a London, United Kingdom-based data analytics company. They offer BI & big data consulting & SI, custom software development, broadcast video, IT strategy consulting, and more and were launched in 2011.
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74$5,000+2 - 9 employeesLondon, EnglandOcean View Games, a custom software development company, was established in 2020. Their small team is headquartered in London, England. Their services include Custom Software Development and AR/VR development.Read More
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75$25,000+50 - 249 employeesLondon, England2Base Technologies is a custom software development firm headquartered in London, England; Kochi, India; Dover, Delaware and Hilbert, Australia. The midsize agency was established in 2010. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, Enterprise App Modernization, and more.Read More
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United NationsIndustries
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76$10,000+10 - 49 employeesCoventry , EnglandImobisoft is an artificial intelligence company. The small team is in Coventry , England and London, England. Their services include Artificial Intelligence, Custom Software Development, Generative AI, Web Development, and more.Read More
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NHS (Multiple divisions)Industries
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77$75,000+50 - 249 employeesHolt, EnglandThe Virtual Forge, a big data analytics company, was established in 2010. The midsize Holt, United Kingdom-based team provides BI & big data consulting & SI, custom software development, cloud consulting & SI, devops managed services, and more.Read More
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SEGA Kelda Dynamics Ford Network RailIndustries
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78$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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79$10,000+50 - 249 employeesStanmore, EnglandSATVA Softech, an IT staff augmentation company, was founded in 2015. They are in Stanmore, England and Raleigh, North Carolina and have a midsize team. Their services include IT staff augmentation, Mobile App Development, Custom Software Development, and Artificial Intelligence.Read More
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RitzziIndustries
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80$10,000+10 - 49 employeesBristol, EnglandNew Icon, an user experience agency, was launched in 2007. Their small team is in Bristol, England. Their services include UX/UI Design, cloud consulting & SI, Custom Software Development, Mobile App Development, and more.Read More
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AirbusIndustries
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81$25,000+10 - 49 employeesYork, EnglandRead More
Thumbmunkeys Ltd is a mobile app development company based in York, United Kingdom. This company was founded in 2012 and has 25+ employees. Thumbmunkeys Ltd is responsible for mobile app development, web development, and wearable app development.
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CapitaIndustries
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82$10,000+10 - 49 employeesLondon, EnglandSkillo® is an IT staff augmentation company based in Sofia, Bulgaria and London, England. The small team specializes in IT staff augmentation, Custom Software Development, Artificial Intelligence, Corporate Training & Coaching, and more and was launched in 2018.Read More
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83$10,000+10 - 49 employeesRoyal Tunbridge Wells, EnglandAI company Chilliapple Ltd. Is located in Royal Tunbridge Wells, England. They offer Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more and were established in 2008.Read More
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easyCar Magee Riskpal Rugs of LondonIndustries
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84$25,000+10 - 49 employeesLeeds, EnglandRead More
Ventureaxis is a small custom software development firm. Established in 2003, the agency is in Leeds, United Kingdom. Their services include custom software development, web development, enterprise app modernization, and mobile app development.
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85$5,000+10 - 49 employeesSurbition, EnglandRead More
Mrmmbs Vision, an application development firm, was established in 2011. The small team provides mobile app development, web development, custom software development, ux/ui design, and more. The agency is located in New Delhi, India and Surbition, United Kingdom.
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86$1,000+10 - 49 employeesBirmingham, EnglandRead More
InfoRox is a web & apps development agency based in Birmingham, U.K. The agency, founded in 2012, has a team of less than ten that provides custom software development, mobile app development, web development, IT managed services, and e-commerce development services. InfoRox serves mid-market and other-sized companies in various industries.
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London Business School -
87$25,000+10 - 49 employeesLondon, EnglandCustom software development firm DEVITGROUP LTD was launched in 2020. They are headquartered in London, England and have a small team. DEVITGROUP LTD focuses on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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88$5,000+50 - 249 employeesSudbrooke, EnglandRead More
Inncrewin Technologies is a software agency based in Bangalore, India, and founded in 2008. Their team of more than 50 offers custom software, web, and mobile app development solutions for small and mid-market firms in the fields of e-commerce, hospitality, and advertising.
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Signature FlowIndustries
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89$5,000+50 - 249 employeesHarrow, EnglandIT Path Solutions, a web development company, is headquartered in Mooresville, North Carolina; Ahmedabad, India and Harrow, England. The midsize team focuses on Web Development, AI Consulting, Enterprise App Modernization, cloud consulting & SI, and more. The company was established in 2012.Read More
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Digital Civic- E CitizenIndustries
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90$10,000+50 - 249 employeesPotters Bar, EnglandAcademy Smart is a software development firm. Their midsize team is in Kharkiv, Ukraine; Potters Bar, England and Wrocław, Poland. The agency focuses on Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more. The agency was established in 2009.Read More
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Blue EQ Volidar 2LRN4 Cyber IncIndustries
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Check out a C# Developers in United Kingdom with the most new reviews in the past 12 months.
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