Top 100 C# Developers in the United Kingdom

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Top 100 C# Developers in the United Kingdom

The Best of July 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

  • 1
    (13 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      5.0
    • $10,000+
    • 250 - 999 employees
    • Winnersh, United Kingdom

    Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.

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    Clients

    • Apex

    Industries

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  • 2
    (19 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.

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    Clients

    • Argentex

    Industries

  • 3
    (11 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Founded in 2004, Computer Conquest is an IT managed services company. The company offers IT managed services, cloud consulting & SI, custom software development, IT strategy consulting, and more and has a small team. The company is in Cirencester, United Kingdom.

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    Clients

    • The Woodhouse Partnership

    Industries

  • 4
    (18 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

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

    Headquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.

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    Clients

    • Fortune 500 Companies

    Industries

  • 5
    (3 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.

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    Clients

    • Deloitte

    Industries

  • 6
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 2 - 9 employees
    • SHEFFIELD, United Kingdom

    Inflecto Systems, a software development company, is located in SHEFFIELD, United Kingdom. The firm provides custom software development, mobile app development, and business consulting and has a small team.The firm was founded in 2006.

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    Industries

  • 7
    (31 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • Croydon, United Kingdom

    Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. WIth a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed- cost and dedicated development teams.

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    Clients

    • Printed Music Licensing

    Industries

  • 8
    (4 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Great Baddow, United Kingdom

    Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.

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    Clients

    • Epson

    Industries

  • 9
    (55 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

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

    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

  • 10
    (5 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

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

    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

  • 11
    (3 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Bury St Edmunds, United Kingdom

    SourceCodeStudio is a small custom software development company. The Bury St Edmunds, United Kingdom-based company was founded in 2016. Their services include custom software development, ux/ui design, web development, e-commerce development, and more.

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    Clients

    • Parcel SafePlace

    Industries

  • 12
    (4 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

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

    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

  • 13
    (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, United Kingdom

    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

  • 14
    (9 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • Belfast, United Kingdom

    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.

    Read More

    Industries

  • 15
    (17 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • Value

      4.4
    • Would Recommend

      4.6
    • $50,000+
    • 50 - 249 employees
    • Sutton, United Kingdom

    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

  • 16
    (5 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

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

    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
  • 17
    (6 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

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

    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.

    Read More

    Industries

  • 18
    (12 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

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

    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

  • 19
    (5 Reviews) 4.9
    • Timeliness

      4.5
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • Nottingham, United Kingdom

    Founded in 1998, AtomicMedia is a digital agency that works with enterprise, mid market, and small businesses. With two UK offices in Nottingham and Shoreditch, the team of 50  specialize in mobile app development, SEO, content marketing, PPC, web design, UX/UI design, and web development services for client.

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    Clients

    • Vodafone

    Industries

  • 20
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

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

    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

  • 21
    (4 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

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

    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.

    Read More

    Industries

  • 22
    (16 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.4
    • Would Recommend

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

    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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    Clients

    • NHS

    Industries

  • 23
    (9 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    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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    Clients

    • Asics

    Industries

  • 24
    (7 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Chantry, United Kingdom

    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

  • 25
    (3 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • Manchester , United Kingdom

    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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    Clients

    • Suits Me Banking

    Industries

  • 26
    (9 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.9
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    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

    Industries

  • 27
    (4 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.6
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Silicon Reef are a SharePoint development & Microsoft 365 solutions agency. Founded in 2016, they are located in the United Kingdom with offices in London, Chester, and Bournemouth. They offer a range of services from consultancy, campaign-based web or app development, and front-end creative. They also offer full-blown migration, strategic road-mapping, and full-service development partnerships and partner with medium-sized to enterprise clients. 

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    Clients

    • Unilever
  • 28
    (3 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.7
    • Would Recommend

      5.0
    • $5,000+
    • 2 - 9 employees
    • Colchester, United Kingdom

    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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    Clients

    • Gay Times

    Industries

  • 29
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Bedford, United Kingdom
    Custom software development firm Unity Developers was launched in 2017. Their small team is located in Bedford, United Kingdom. Unity Developers offers custom software development, mobile app development, AR/VR development, product design, and more.
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    Clients

    • SAP

    Industries

  • 30
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Newcastle upon Tyne, United Kingdom
    Readysalted Design Ltd, a web design agency, was founded in 2003. They are headquartered in Newcastle upon Tyne, United Kingdom and have a small team. Their services include web design, web development, mobile app development, print design, and more.
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    Clients

    • Sage

    Industries

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