Top 100 C# Developers in the United Kingdom

Headquartered in Kyiv, Ukraine, SVAIY ART is a AR/VR development company. The small firm was founded in 2020. Their team focuses on AR/VR development and blockchain.

AtraX is a small website development company established in 2006. Their services include web development, custom software development, graphic design, IT strategy consulting, and more. The company is in Florence, Italy and Tirana, Albania.

Ecatenate Limited is a custom software development company. They are based in Glasgow , United Kingdom and have a small team that specializes in custom software development, application management & support, mobile app development, and web development. The company was launched in 2001.

Conficio Product Design is a product design company. They specialize in product design, custom software development, and mobile app development and were established in 2017. The agency is based in Stockbridge, United Kingdom.

Uinno is a consultancy, solution design, and software development agency founded in 2019. Uinno has 50+ people on board with headquarters based in Ukraine and Estonia. The company works with midmarket companies and fast-growing startups. They are fully focused to solve your business challenges. No matter the technology or architecture, Uinno will find the most optimal solution and deliver a ready-to-operate product.

Think Digitally is a custom software development firm. The London, United Kingdom-based firm was founded in 2011. The midsize team offers custom software development, web development, IT staff augmentation, mobile app development, and more.

Established in 2013, Mitosis Technologies is an AI development company. Their midsize team is in Rajakilpakkam, India; Westminster, Colorado; Romford, United Kingdom and Itú , Brazil. Their team focuses on Artificial Intelligence, custom software development, BI & big data consulting & SI, and blockchain.

Dataphiles Ltd is a web design agency founded in 2000. They are based in Otley , United Kingdom and have a small team. Their services include web design, custom software development, ERP consulting and SI, IT managed services, and more.

Waqartech Ltd is a software development company. Based in Birmingham , United Kingdom, their small team focuses on custom software development, Artificial Intelligence, IT strategy consulting, mobile app development, and more. The firm was launched in 2008.

Based in Chester, United Kingdom, Titan Webtech Ltd is a small software development firm. They specialize in custom software development, web development, web design, IT strategy consulting, and more and were founded in 2018.

Erlang Solutions is a software development firm. Launched in 1999, the team offers custom software development, IT strategy consulting, blockchain, mobile app development, and more. Their midsize agency is London, United Kingdom-based.

ByteSnap Design is an application development firm. Launched in 2008, the small company is located in Birmingham, United Kingdom. Their team specializes in mobile app development and custom software development.

Talon Business Solutions is a custom software development firm launched in 1990. They are in Glasgow , United Kingdom and have a small team. Their services include custom software development, CRM consulting and SI, IT managed services, mobile app development, and more.

D55, a small cloud consulting & SI company, is based in Manchester, United Kingdom. They offer cloud consulting & SI, custom software development, IoT development, and IT staff augmentation and were established in 2018.

IronHyde is a IT staff augmentation company in London, United Kingdom. They focus on IT staff augmentation, mobile app development, web development, and custom software development and were launched in 2022.

Reflex Arc is a Leeds, United Kingdom-based AR/VR development company. The small team provides AR/VR development, custom software development, mobile app development, web development, and more and was founded in 2011.

Established in 2022, Oasis Private Limted is a custom software development firm. The company provides custom software development, BI & big data consulting & SI, cloud consulting & SI, web development, and more and has a small team. The company is located in South Croydon, United Kingdom.

Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
 

Incepteo is an innovation-led ‘IDEA TO MARKET’ technology services firm providing 360-degree offerings starting from software development, hosting, support, and digital marketing. Our mantra is to deliver growth outcomes with entrepreneurial vision, effective user experience, and innovation. We bring start-up know-how, corporate maturity, and strategic techno- entrepreneurial experience on the table from inception to growth phases.

Serious Software is a custom software development company. Their small team is based in Norwich, United Kingdom and , Ukraine. Their services include custom software development, mobile app development, application testing, wearable app development, and more.

WNP Holdings is a small custom software development company. Founded in 2012, the company is in Cobham, United Kingdom. Their team focuses on custom software development, social media marketing, branding, digital strategy, and more.

Launched in 2021, InnovaLab is a small software development firm headquartered in London, United Kingdom. Their services include custom software development, enterprise app modernization, cloud consulting & SI, cybersecurity, and more.

3D VERSO is a branding agency launched in 2019. The small Henley-on-Thames, United Kingdom-based team provides branding, web design, ux/ui design, product design, and more.

ProcessFlows, a non-voice bpo/back office services company, was established in 1987. Their midsize team is in Hants, United Kingdom; Ipswich , United Kingdom and София, Bulgaria. The company specializes in non-voice bpo/back office services, custom software development, finance & accounting outsourcing (FAO), IT managed services, and more.

Launched in 2015, Estech Digital is a midsize custom software development firm. Their services include custom software development, web development, mobile app development, e-commerce development, and more. The firm is based in Los Angeles, California and London, United Kingdom.

Fabrit Global is a web app development company based in Aberdeen, U.K., with an office in Cluj-Napoca, Romania. The company, founded in 2014, has a team of more than 30 that provides web development and custom software development services. Fabrit Global serves mid-market and small companies in various industries that include financial services, hospitality & leisure, and energy & natural resources.

Launched in 2013, KWA Analytics is an architectural design company. They are located in London, United Kingdom; New York, New York; Noida, India and Ciudad de México, Mexico and have a midsize team. The agency focuses on architectural design, custom software development, application testing, IT strategy consulting, and more.

Sharp Coders, a cloud consulting & SI company, is located in Edinburgh, United Kingdom. The small team provides cloud consulting & SI, custom software development, and web development and was founded in 2023.

Founded in 2017, HybridTechLabs - Custom Apps Development - Software Developers Poland is a custom software development firm. The small London, United Kingdom-based team specializes in custom software development, mobile app development, web development, enterprise app modernization, and more.

Argo 22 is an e-commerce development company. They are in London, United Kingdom and České Budějovice, Czech Republic and have a midsize team. Their services include e-commerce development, mobile app development, web development, custom software development, and more.