Top 80 C# Developers in Southampton
The Best of April 2026Looking for a top C Sharp software development company in Southampton?
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 Southampton. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Southampton C Sharp (C#) Software Development Companies
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1$1,000+50 - 249 employeesHants, EnglandProcessFlows, a Back Office Outsourcing company, focus on Back Office Outsourcing and Custom Software Development. They were launched in 1987.Read More
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2$10,000+10 - 49 employeesBournemouth, EnglandCold Banana Limited is a Bournemouth, England-based web development company. The small company was launched in 2015. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more.Read More
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3$25,000+10 - 49 employeesWimborne, EnglandInStandart is a small Digital Engineering company. Launched in 2014, the team focuses on Digital Engineering, Custom Software Development, IT staff augmentation, and Computer Engineering. The firm is in Wimborne, England.Read More
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4$50,000+250 - 999 employeesFarnborough, EnglandOne Beyond is an UX design company. Their midsize team is headquartered in Farnborough, England; Madrid, Spain; Budapest, Hungary and Szeged, Hungary. The firm focuses on UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more.Read More
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Smith & NephewIndustries
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5Undisclosed2 - 9 employeesBournemouth, EnglandRead More
Established in 2008, Dorset Creative is a custom software development company. They are based in , and Bournemouth, United Kingdom and have a small team. Their services include custom software development, AR/VR development, mobile app development, ux/ui design, and more.
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6$10,000+2 - 9 employeesStockbridge, EnglandLocated in Stockbridge, England, Conficio Product Design is a Product Design company. Their services include Product Design and Custom Software Development.Read More
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7$5,000+2 - 9 employeesWest Lavant, EnglandLocated in West Lavant, England, Digital Republic is a software development company. The team offers Custom Software Development and UX/UI Design.Read More
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FreshphotoHouse Scafol Bloomsbury Square FabricsIndustries
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8$25,000+50 - 249 employeesReading, EnglandWorth Digital is a web design agency. They are in Reading, England and Rijswijk, Netherlands. Their team provides Web Design and UX/UI Design.Read More
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9$1,000+Freelancer employeesRingwood, EnglandCustom software development company Comsci Ltd. Was launched in 1990. The small team focuses on Custom Software Development and Mobile App Development.Read More
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10$75,000+50 - 249 employeesWinnersh, 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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11$1,000+1,000 - 9,999 employeesAlbourne, EnglandDotsquares, an IT managed services company, was founded in 2002. Their large team is located in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The agency offers IT managed services, Web Development, Custom Software Development, Mobile App Development, and more.Read More
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EricssonIndustries
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12$25,000+10 - 49 employeesChantry, EnglandRead More
Established in 2022, OnTheBlockGaming is a. The company offers and has a small team. The company is headquartered in , United Kingdom.
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OutboundlessIndustries
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13$25,000+10 - 49 employeesGuildford, EnglandCommunere Ltd is a website development company located in Guildford, United Kingdom. Established in 2012, the small team focuses on web development, custom software development, mobile app development, Artificial Intelligence, and more.Read More
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AgxioIndustries
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14$25,000+10 - 49 employeesCobham, EnglandWNP X INFLUENTIALLY is a custom software development firm. Their small team of employees is in Cobham, England. Their team offers Custom Software Development and Social Media Marketing.Read More
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LouennaIndustries
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15$25,000+2 - 9 employeesBroadstone, EnglandWeb development company Deadly Byte Limited was launched in 2011. The firm specializes in Web Development and Custom Software Development.Read More
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16$5,000+50 - 249 employeesTheale, EnglandCode Wizards Group is a custom software development company. The midsize Theale, England-based team focuses on Custom Software Development and Computer Engineering. The firm was founded in 2002.Read More
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17$50,000+250 - 999 employeesWeybridge, EnglandEstablished in 2017, Opinov8 Digital and Engineering Solutions is a midsize AI firm. Their services include Artificial Intelligence, BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, and more. The company is based in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England.Read More
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Fortune 500 CompaniesIndustries
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18$10,000+50 - 249 employeesSutton, EnglandSoftware development firm Geeks Ltd is located in Sutton, England and Houston, Texas. The midsize team focuses on Custom Software Development, Artificial Intelligence, AI Consulting, UX/UI Design, and more and was launched in 2007.Read More
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Search Acumen ChannelPorts BBC easyJetIndustries
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19$50,000+10 - 49 employeesEarley, EnglandLaunched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web Development.Read More
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20$25,000+50 - 249 employeesOxford, EnglandOxford Computer Consultants Ltd, a custom software development company, was established in 1989. The firm offers Custom Software Development and Mobile App Development, and is midsize.Read More
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21$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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22$10,000+50 - 249 employeesKingston upon Thames, EnglandRead 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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23$25,000+1,000 - 9,999 employeesLondon, EnglandItransition is a software development company. They offer Custom Software Development, ERP consulting and SI, Artificial Intelligence, CRM consulting and SI, and more and were established in 1998. Their large team is based in Decatur, Georgia; London, England; Vilnius, Lithuania and Warszawa, Poland.Read More
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ExpediaIndustries
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24Undisclosed2 - 9 employeesGuildford, EnglandPolystream is a software development company headquartered in Guildford, England. Founded in 2015, the team specializes in Custom Software Development and cloud consulting & SI.Read More
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25$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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26$50,000+1,000 - 9,999 employeesLondon, England10Pearls is a custom software development company located in Vienna, Virginia; Medellín, Colombia; New York, New York and San Rafael de Escazú, Costa Rica. The large firm was established in 2004. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.Read More
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HughesNetIndustries
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27$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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28$25,000+50 - 249 employeesLondon, EnglandMidsize software development firm GoodCore Software, is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Founded in 2005, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.Read More
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PMLL GCBF Hirevine London Women's ClinicIndustries
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29$10,000+50 - 249 employeesTwickenham, EnglandIT strategy consulting company INVINCIX Solutions Private Limited was founded in 2017. Their midsize team is in Singapore, Singapore; Bhubaneswar, India; Ho Chi Minh City, Vietnam and Twickenham, United Kingdom and provides IT strategy consulting, ux/ui design, IT managed services, custom software development, and more.Read More
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XimpleIndustries
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30$10,000+2 - 9 employeesBristol, EnglandApplication development firm Blue Sparrow was launched in 2015. The company offers Mobile App Development, Custom Software Development, Artificial Intelligence, and AR/VR development and has a small team. The company is in Bristol, England.Read More
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FanHub
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C# Developers
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