Top 10+ C# Development Companies in United Kingdom (UK) (2026)

Last Updated 04th September 2026 | Category: Top Web Development Firms

The List of Top 10+ C# Development Companies in United Kingdom | Top C# Developers United Kingdom (UK) September 2026

hyperlink infosystem

Details

Founded: 2011
Hourly Rates: < $25
Employees: 1000+
Avg. Project Cost: $50,000+
Ratings:
5.0
497 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • AngularJS Development
  • Node.js Development
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • AR App Development
  • CMS Development
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
justcoded

Details

Founded: 2007
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: $100,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • Node.js Development
  • E-Commerce
  • Mobile App Development
  • CMS Development
  • Magento
Since 2007, JustCoded has operated as a technology services provider. JustCoded focuses on Web Development for clients in industries such as Retail & E-commerce. JustCoded employs 50 - 249 people. Typical hourly rates run around $25 - $49/hr, with an average project cost near $50,000. This profile is a starting point — reach out to JustCoded directly to discuss project specifics.
dcsl software

Details

Founded: 1994
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: $25,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
DCSL Software is a technology company founded in 1994. Their core services include Web Development and Mobile App Development. With 50 - 249 people on staff, DCSL Software can take on projects of varying size. Typical hourly rates run around $50 - $99/hr, with an average project cost near $5,000,000. This profile is a starting point — reach out to DCSL Software directly to discuss project specifics.
hyperarts

Details

Founded: 1998
Hourly Rates: $100 - $149
Employees: 2 - 9
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • MySQL
  • Drupal
  • UI/UX Design
  • Logo Designing
Businesses looking for a reliable technology partner often consider HyperArts. HyperArts focuses on Web Development for clients in industries such as Nonprofit & NGO. With 2 - 9 people on staff, HyperArts can take on projects of varying size. Clients can expect pricing around $100 - $149/hr, with projects averaging about $2,500,000. These details offer a useful starting point when evaluating HyperArts.
anvileight

Details

Founded: 2005
Hourly Rates: $50 - $99
Employees: 10 - 49
Avg. Project Cost: $2,500,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
AnvilEight is a technology company founded in 2005. The company's main offerings are Web Development. With 10 - 49 people on staff, AnvilEight can take on projects of varying size. Clients can expect pricing around $50 - $99/hr, with projects averaging about $10,000. This gives a quick snapshot of what to expect when working with AnvilEight.
xibis

Details

Founded: 1998
Hourly Rates: $150 - $199
Employees: 10 - 49
Avg. Project Cost: $5,000,000+
Ratings:
4.7
7 Reviews

Service Line

  • Web Development
  • Web Design
  • E-Commerce
  • Mobile App Development
Xibis has been in business since 1998, delivering technology projects for clients. Their core services include Mobile App Development. Xibis employs 10 - 49 people. Projects with this company average about $2,500,000. This profile is a starting point — reach out to Xibis directly to discuss project specifics.
iflexion

Details

Founded: 1999
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings:
4.3
6 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • Drupal
  • E-Commerce
  • Mobile App Development
  • Ruby on Rails
  • Magento
Since 1999, Iflexion has operated as a technology services provider. Iflexion focuses on Mobile App Development. With 50 - 249 people on staff, Iflexion can take on projects of varying size. Clients can expect pricing around $25 - $49/hr, with projects averaging about $10,000. These details offer a useful starting point when evaluating Iflexion.
lemberg solutions

Details

Founded: 2007
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: $10,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • Drupal
  • Mobile App Development
  • UI/UX Design
  • Internet of Things
Lemberg Solutions is a technology company founded in 2007. Their core services include IoT Solutions. The company operates with a team of 50 - 249 professionals. Clients can expect pricing around $25 - $49/hr, with projects averaging about $5,000,000. These details offer a useful starting point when evaluating Lemberg Solutions.
netguru

Details

Founded: 2008
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: $10,000+
Ratings:
4.3
7 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • AngularJS Development
  • Node.js Development
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
  • Ruby on Rails
Netguru works with clients to plan, build, and ship digital products. Their core services include Web Development and Mobile App Development. With 50 - 249 people on staff, Netguru can take on projects of varying size. Typical hourly rates run around $50 - $99/hr, with an average project cost near $100,000. This profile is a starting point — reach out to Netguru directly to discuss project specifics.
opus online

Details

Founded: 2009
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: $25,000+
Ratings:
4.3
8 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • E-Commerce
  • Mobile App Development
  • Ruby on Rails
  • Magento
it is a leading web development company who has successfully delivered your business ideas into powerful solutions. They offer all clients through support after the launch and maintains a close partnership when maintaining and developing the site in the future. The team believes in keeping the communication channels open at all times so that your expectations are met.
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FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

Most Web Development companies in UK default to one of three setups: fixed-price when the scope is locked down in advance, time-and-materials when requirements are expected to shift, or a dedicated team model for ongoing product work that doesn't have a fixed end date. None of these is inherently better — the right fit depends on how settled your requirements actually are. A Web Development partner in UK worth working with will tell you honestly which model fits your project instead of pushing whichever one is easiest for them to sell.

The better Web Development companies in UK plan around the time difference rather than ignoring it — usually by shifting core hours to overlap a few hours with the client's day, and filling the rest of the gap with recorded demos, written status updates, and async-friendly tools. It's a solvable problem, but only if it's addressed explicitly before the project starts; agree on exactly how much overlap you need with your Web Development partner in UK up front.

The line items that push a Web Development project in UK over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your Web Development partner in UK should surface most of this before you sign anything.

A verified badge on a Web Development company's UK profile means the platform has confirmed the firm's identity and business registration, and has spoken directly with at least some of the clients referenced in their portfolio. It doesn't guarantee a perfect fit for your project, but it does rule out the more obvious risk of an unvetted or misrepresented listing — worth prioritizing over unverified entries when the choice is close.

Listen to what they ask about before they start talking solutions. A Web Development company in UK genuinely focused on outcomes will want to understand your users, your revenue model, and your competitors before proposing anything technical. One that jumps straight to a timeline and a quote without asking those questions is optimizing for winning the deal, not for whether the thing they build actually works for your business.

Start by filtering for Web Development companies in UK with direct experience in your vertical — a firm that has already built for healthcare, fintech, or retail will already understand the compliance rules and user expectations that come with it, instead of learning them on your project. Ask for case studies specific to your industry, and where possible, talk to a client from the same sector to confirm the experience is as deep as the portfolio suggests.
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