Top 100 C# Developers in the United Kingdom
The Best of April 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.
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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1
- $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
Clients
- Smith & Nephew
Industries
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2
- $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.
Clients
- Apex
Industries
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3
- $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.
Clients
- Argentex
Industries
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4
- $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.
Clients
- The Woodhouse Partnership
- Brickflow
- Huma Business Intelligence
- Misys / Finastra
Industries
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5
- $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.
Clients
- Deloitte
Industries
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6
- $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.
Clients
- Fortune 500 Companies
Industries
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7
- $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.
Industries
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8
- $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.
Clients
- Printed Music Licensing
- Weight Loss Resources
- GC Business Finance
- XTracked Deliveries
Industries
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9
- $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.
Clients
- Epson
Industries
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10
- $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.
Clients
- Whispering Smith
- ATS Heritage
- Speakr
Industries
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11
- $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.
Clients
- Parcel SafePlace
Industries
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12
- $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.
Clients
- YourGene Health
- Pastdrives Ltd
- Zanzibar Amber Resort
Industries
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13
- $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.
Clients
- Barclays
Industries
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14
- $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.
Industries
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15
- $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.
Clients
- BBC
- EasyJet
- Euromoney
- Mitie
Industries
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16
- $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.
Clients
- FanHub
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17
- $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.
Clients
- The William Pears Group
Industries
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18
- $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.
Clients
- Vodafone
Industries
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19
- $10,000+
- 10 - 49 employees
- Martlesham, United Kingdom
Coderus is a software and mobile app development company based in Martlesham Heath, U.K., with offices in Cambridge and Norwich, U.K. The company, founded in 1998, has a team of more than 30 that provides mobile app development, IoT development, UX/UI design, product design, IT strategy consulting, wearable app development, and application testing services. Coderus serves small and larger-sized companies in various industries that include consumer products & services.
Clients
- Bosch
Industries
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20
- $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.
Industries
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21
- $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.
Clients
- Outboundless
- Pretendo
- Preezy
- Truly Simplistic innovations
Industries
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22
- $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.
Clients
- NHS
- The Cream Group
- Live Nation
- BBC
Industries
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23
- $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.
Clients
- Suits Me Banking
- England Squash
- LGBT Foundation
- Boundary Outlet
Industries
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24
- $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.
Clients
- Microsoft
- Ford
Industries
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25
- $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.
Clients
- Unilever
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26
- $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.Read MoreClients
- SAP
Industries
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27
- $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.
Clients
- Asics
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28
- $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.
Clients
- Gay Times
Industries
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29
- $50,000+
- 50 - 249 employees
- Leeds, United Kingdom
Audacia is a bespoke software development firm headquartered in Leeds, UK. Founded in 2007, and have about 30 employees, most of their clients are large-scale enterprises in the European market. They provide custom software development, web development, mobile apps, software integration, and staff augmentation.
Clients
- O2
- Story Homes
- AESSEAL
- ADM Agriculture
Industries
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30
- $10,000+
- 10 - 49 employees
- Coventry , United Kingdom
Imobisoft is a full-service mobile app & software development company based in Coventry, U.K., with an office in London. The company, founded in 2007, has a team of more than ten that provides custom software development, digital strategy, IoT development, web development, BI & big data consulting & SI, and SEO services. Imobisoft serves midmarket and other-sized companies in the medical, manufacturing, utilities, energy & natural resources, financial services, ane e-commerce industries.
Clients
- NHS (Multiple divisions)
- BSkyB
- E-Energy
- Northern Gas Networks
Industries
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