Top 100 C# Developers in the United Kingdom
The Best of April 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$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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62$10,000+2 - 9 employeesSheffield, EnglandSVAIY ART is a Sheffield, England-based AR/VR development company. The small team specializes in AR/VR development, Video Production, Custom Software Development, and Blockchain and was founded in 2020.Read More
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Katana Inu Mars4 Monday ArigamiIndustries
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63$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
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J.P. Morgan Asset ManagementIndustries
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64$10,000+10 - 49 employeesPreston, EnglandWozify is a web development firm. They specialize in Web Development, Custom Software Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2012. Their small team is Budapest, Hungary-based.Read More
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AuchanIndustries
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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$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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67$25,000+50 - 249 employeesLondon, EnglandIncepteo Labs is a midsize artificial intelligence development company. The London, England-based company was founded in 2007. Their services include Artificial Intelligence, Mobile App Development, UX/UI Design, Custom Software Development, and more.Read More
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GeodisIndustries
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68$5,000+50 - 249 employeesLoughborough, EnglandRead More
Development agency UNL Solutions LTD is headquartered in Loughborough, UK. Since the company was founded in 2006, their team has grown to 68 employees. UNL Solutions LTD specializes in IT managed services, e-commerce development, and mobile app development. They mainly work with mid-sized businesses.
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CorevistIndustries
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69$5,000+2 - 9 employeesColchester, EnglandRead More
Chick Digital, a website development firm, was established in 2015. The small team offers web development, BI & big data consulting & SI, custom software development, and Artificial Intelligence. The company is in Colchester, United Kingdom.
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Gay TimesIndustries
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70$25,000+10 - 49 employeesLondon, EnglandLaunched in 2006, Amexis Ltd is a cloud consulting & SI company. Their small team is in Sofia, Bulgaria; Plovdiv, Bulgaria; London, United Kingdom and Katy, Texas and offers cloud consulting & SI, IT managed services, custom software development, Artificial Intelligence, and more.Read More
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71$25,000+10 - 49 employeesLondon, EnglandSilicon Reef is an Enterprise App Modernization company. Founded in 2016, the agency is located in London, England. The small team specializes in Enterprise App Modernization, IT strategy consulting, API Development, ECM consulting and SI, and more.Read More
Clients
Gulf Oil Bauer Media Group Warner Bros. Discovery Virgin Media O2Industries
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72$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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73$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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74$10,000+10 - 49 employeesRoyal Tunbridge Wells, EnglandRead More
Chilliapple Ltd., a mobile app development company, was launched in 2008. The small team specializes in mobile app development, e-commerce development, custom software development, and web development. The company is based in Kent, United Kingdom and , United Kingdom.
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QuickvitIndustries
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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$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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77$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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78$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
Clients
RitzziIndustries
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79$5,000+250 - 999 employeesManchester, EnglandAress Software is a midsize IT strategy consulting company. They focus on IT strategy consulting, cloud consulting & SI, CRM consulting and SI, Cybersecurity, and more and were founded in 1999.Read More
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80$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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81$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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82$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
Clients
SEGA Kelda Dynamics Ford Network RailIndustries
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83$100,000+50 - 249 employeesLondon, EnglandInfinity Technologies is a London, England-based software development company. The company specializes in Custom Software Development, Web Development, Mobile App Development, and IT staff augmentation and is midsize.The company was established in 2003.Read More
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84$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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85$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
Industries
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86$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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87$5,000+2 - 9 employeesLondon, EnglandOcean View Games, a software development firm, was established in 2020. Their small team is headquartered in London, England. The agency offers Custom Software Development and AR/VR development.Read More
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88$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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89$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 -
90$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
Industries
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Schedule ConsultationMost Reviewed C# Developers in United Kingdom
Check out a C# Developers in United Kingdom with the most new reviews in the past 12 months.
C# Developers
United Kingdom
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