Explore Top C# Companies in United Kingdom
Use the advanced filter to find companies near you or refine the results Last updated in: September, 2026

Ezulix Software Pvt Ltd Verified Company
London, United Kingdom Head office in: India
Ezulix Software Pvt. Ltd. is a global tech company offering custom software, web, and mobile app solutions across India, UAE, and the UK.
Execelion Solutions is a leading digital agency providing website design & development, mobile apps, software development & digital marketing services
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UK-based consultancy firm offering technology and tailored legal solutions to businesses operating in the FMCG, Retail and E-Commerce sectors.

Wolf Logic Ltd. Verified Company
Birmingham, United Kingdom Head office in: United Kingdom
We are an agile team of Developers & Designers. We build bespoke software solutions and integrate these with core business systems using cloud tech.

Persistent Systems Verified Company
Surrey, United Kingdom Head office in: India
See Beyond, Rise Above
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Whiz Solutions: Web & App Development Company UK
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Divine Tech Sol offers digital marketing, web development, and BPO services, helping businesses grow through tailored, innovative solutions.
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AI coaching clones enabling coaches to support students 24/7, scale businesses, and generate revenue without increasing their workload.

Webtonic Solutions Verified Company
Guildford, United Kingdom Head office in: South Africa
We partner with businesses to design innovative solutions and build robust software that improve customer engagement and satisfaction.
Softonix Limited: Expert digital solutions provider specializing in web development, digital marketing, and software innovation.
Creators of dedicated, custom software to help your business confront challenges. Experts integrating SharePoint, Sage, DBS, TransUnion & much more.
Level up your brand with expert web development, SEO & PPC! Drive traffic, boost visibility, and maximize ROI. Let's grow together.
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Mobile Apps, Websites, and Automations Delivered At Lightning-Speed
Turbo Digital creates sleek, responsive websites that help UK businesses grow through smart design, solid tech, and SEO.
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Silicon Valley Infomedia Pvt Ltd. Verified Company
Swindon, United Kingdom Head office in: India
Outsource Web Development India | PHP Development Company | AngularJS Developer | MEAN Stack | Full Stack | iPhone App | Android App | Educational ERP
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Siliconplex delivers mobile and web apps, AI automation, MVP, and team augmentation services, turning ideas into scalable digital products.
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London, United Kingdom Head office in: United States
Elevate your business: custom solutions, built to scale
Web | Mobile | Desktop | Software Development

Manchester, United Kingdom Head office in: Germany
Squareball is a development and design studio from Berlin. We're full service - defining, designing and developing custom digital products, website...
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Hertfordshire, United Kingdom Head office in: Vietnam
JANETO is a software company with business focused on web & mobile development. If you have an idea but are unsure of how to get it off the ground...

Wokingham, United Kingdom Head office in: Croatia
Since 2002, Infosit designs, develops, and delivers elegant, innovative, and intuitive web, mobile, and custom software solutions that drive business...
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Designer Websites provide a bespoke development and design service for businesses who need a high-quality website or a professional web-based software...
Byndyusoft develops software for complicated domains and implements highload projects. We’ve worked with big e-commerce, outdoor advertising and finan...
We have been providing software development services for over 15 years to many SME as well as blue-chip clients. At HeadChannel, we translate the need...
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ICT in the United Kingdom: General Profile and Insights
The UK technology sector is growing more than two-and-a-half times faster than the overall economy, and London has been ranked as the second most connected place for tech in the world behind Silicon Valley in the US.
According to Statista, the UK IT Services market is worth nearly $113.46 billion to the economy, a rise from $3.44 billion in 2020. Between 2024 and 2025, the tech market in the UK continued to grow with increased market productivity, influencing the UK’s GDP.
Why Should You Work With a UK-based Company?
Probably the second-largest IT hub in the world, the UK is one of the fastest-growing IT leaders. It is the home of over 225,000 IT & web companies based according to a report delivered by Computer Weekly. Web companies from the UK provide the entire range of services and are known for good management, rich business culture, and great tech performance.
What You Should Be Aware of When Working With UK Web Companies
A report by Tech Nation in 2018 revealed that the main challenges companies and IT hubs face are related to access to talent, affecting 83% of tech hubs. Access to funding and poor transport links were also found to be major challenges for some of the UK’s tech hubs. This challenge is still relevant for 2025, especially the lack of funding possibilities.
Are UK IT Companies Reliable?
The UK companies enjoy a high trust level on a global level and are considered reliable overall. However, due to the wide variety of web & software companies, not all UK-based companies represent the business culture, performance, and tech skills that the UK is so well known for. This is why choosing the IT company as a partner is important.
How the UK IT Industry Relates to the Neighboring Countries
Having a leading IT infrastructure, the IT industry in the UK increased its potential, and following the global trends, just like the US, it will focus more on certifying and developing already existing professionals rather than hiring new skills.
In the background of a fast-developing EU market, the UK looks weaker alone than in the community. Brexit has forced tech giants and many IT companies to leave for other EU countries, especially Ireland and Germany, a report from Tech Spot reveals.
Overall, the UK IT industry will continue to be a good option for businesses that tend to expand their presence on the local market, and also for local startups that would preferably rely on companies from the UK.














