Top 100 C# Developers in the United Kingdom

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Top 100 C# Developers in the United Kingdom

The Best of November 2024

Looking 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. 

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List of the Best United Kingdom C Sharp (C#) Software Development Companies

  • 31
    (18 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.9
    • $50,000+
    • 250 - 999 employees
    • London, England

    Method is a strategic design firm based in New York with offices in London; Denver; Atlanta; Charlotte, N.C.; and San Jose, Calif. The firm, founded in 1999, has more than 130 employees and provides UX/UI design, custom software development, digital strategy, web development, and branding services. Method serves enterprise and mid-market companies in the financial services, IT, arts & entertainment, customer products & services, medical, and e-commerce industries.

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    Industries

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  • 32
    (5 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Manchester, England

    VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services. 

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    Clients

    • Whispering Smith

    Industries

  • 33
    (3 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • London, England
    Metasite is a software development firm. Their midsize team is based in Vilnius, Lithuania and London, United Kingdom. The firm specializes in custom software development, application management & support, IT managed services, and IT strategy consulting.
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    Clients

    • Man Group

    Industries

  • 34
    (55 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $50,000+
    • 250 - 999 employees
    • Farnborough, England

    One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups

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    Clients

    • Smith & Nephew

    Industries

  • 35
    (7 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Chantry, England

    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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    Clients

    • Outboundless

    Industries

  • 36
    (4 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.9
    • $5,000+
    • 2 - 9 employees
    • Northampton, England

    Full Metal Software is a bespoke software development agency located in Northampton, England. Founded in 2004, they have three employees specializing in full stack web development and innovative business solutions for small and midmarket companies, typically in business services, finance, and healthcare. Services include project management, code updating, CMS support, software development, and outsourcing.

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    Clients

    • YourGene Health

    Industries

  • 37
    (76 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.6
    • Would Recommend

      4.6
    • $5,000+
    • 1,000 - 9,999 employees
    • London, England

    Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.

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    Clients

    • Ericsson

    Industries

  • 38
    (6 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Southend-on-Sea, England

    Software agency Atlas - Clever Software is headquartered in Essex and another office in London. With 17 employees, the agency specializes in web, custom software, mobile app development, and more for mainly midmarket businesses.

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    Clients

    • Barclays

    Industries

  • 39
    (5 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.9
    • Would Recommend

      4.9
    • Undisclosed
    • 10 - 49 employees
    • London, England
    Blue Ripples Technologies Private Limited is a software development company headquartered in Kulathoor, India; London, United Kingdom and Thiruvananthapuram, India. The midsize agency was launched in 2012. Their team provides custom software development, IoT development, Artificial Intelligence, and other application development.
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    Industries

  • 40
    (26 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, England

    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.

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    Industries

  • 41
    (10 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.9
    • $50,000+
    • 50 - 249 employees
    • Belfast, Northern Ireland

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

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    Industries

  • 42
    (12 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.2
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • London, England

    Global Talent is an IT firm based in London with more than 50 experts. Since their founding in 2017, they have provided IT staff augmentation, custom software development, and IT strategy consulting solutions for clients ranging from small firms to large companies.

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    Clients

    • Vodori

    Industries

  • 43
    (40 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.8
    • $50,000+
    • 50 - 249 employees
    • London, England

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

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    Clients

    • Mitsubishi

    Industries

  • 44
    (24 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • Whittlesey, England

    4Experience is am AR/VR development company founded in 2015. Based in Bielsko-Biała, Poland, the team of 35 specializes in AR/VR development. They mainly serve small businesses and midmarket clients in the education, real estate, and gaming industries. 

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    Clients

    • NATO EOD COE

    Industries

  • 45
    (23 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • London, England

    Robosoft Technologies is a full-service digital experiences agency offering digital advisory, design strategy, UX/UI services, application development & maintenance and expertise in emerging technologies such as AR, VR, blockchain, chatbots and more. Established in 1996 and headquartered in San Francisco, the team of 500+ has offices in Mumbai, Udupi, Bengaluru, Chicago, and New York.

     

     


     

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    Clients

    • Warner Bros. Discovery

    Industries

  • 46
    (17 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.4
    • Would Recommend

      4.6
    • $25,000+
    • 50 - 249 employees
    • Sutton, England

    Geeks is a software development company in London. Founded in 2007, Geeks' team of 85 specializes in custom software development, web development, and mobile app development, primarily for midmarket clients in media and govenment.

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    Clients

    • BBC

    Industries

  • 47
    (21 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 1,000 - 9,999 employees
    • Harrow, England

    Rishabh Software is a software development firm headquartered in San Jose, Calif., with additional offices in Harrow, U.K., and Vadodara, India. It was founded in 2000 and has more than 700 employees. They specialize in web development, enterprise app modernization, and custom software development. The team mainly works with small business and midmarket clients in the financial services, retail, and education industries.

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    Clients

    • Linde

    Industries

  • 48
    (18 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.4
    • Would Recommend

      4.8
    • $25,000+
    • 10 - 49 employees
    • Manchester, England

    Based in Manchester, UK, Corporation Pop has been around for over a decade and is now an established part of the mobile and web development industry. The small team delivers powerful results to clients across several industries.

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    Industries

  • 49
    (6 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $100,000+
    • 50 - 249 employees
    • Edinburgh, Scotland

    ClearSky Logic, a custom software development firm, was founded in 2018. The firm offers custom software development, BI & big data consulting & SI, cybersecurity, and IT staff augmentation and has a small team.

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    Industries

  • 50
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Henley-on-Thames, England
    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.
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    Industries

  • 51
    (5 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      5.0
    • $10,000+
    • 2 - 9 employees
    • Bristol, England

    Blue Sparrow Apps is a development agency based in Bristol, England, and founded in 2015. With fewer than 10 employees, they specialize in mobile app and custom software development solutions for both small and medium-sized businesses.

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    Clients

    • FanHub
  • 52
    (18 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • Kingston upon Thames, England

    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.

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    Clients

    • OnlyFans

    Industries

  • 53
    (12 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      4.8
    • $10,000+
    • 50 - 249 employees
    • London, England

    Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.

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    Clients

    • The William Pears Group

    Industries

  • 54
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, England
    Launched 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.
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    Industries

  • 55
    (14 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.6
    • Would Recommend

      4.7
    • $25,000+
    • 50 - 249 employees
    • London, England

    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.

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    Clients

    • Geodis

    Industries

  • 56
    (4 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, England
    Digitals OYT Ltd., a custom software development firm, was established in 2022. They are based in London, United Kingdom and have a small team. Digitals OYT Ltd. Specializes in custom software development, IT staff augmentation, web development, web design, and more.
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    Industries

  • 57
    (10 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, England

    Takeaway Reality is an AR/VR development company headquartered in London, United Kingdom. The small firm was established in 2020. Their team offers AR/VR development, marketing strategy, mobile & app marketing, and business consulting.

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    Clients

    • Microsoft
    • Ford

    Industries

  • 58
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $5,000+
    • 50 - 249 employees
    • Loughborough, England

    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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    Clients

    • Corevist

    Industries

  • 59
    (16 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Preston, England

    Wozify is a software company founded in Budapest, Hungary in 2018 with no more than 50 employees. They specialize in web development, architectural design, and IT strategy consulting services for various clients.

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    Clients

    • Auchan

    Industries

  • 60
    (4 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • Taunton , England

    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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    Industries

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