Top 10+ C# Development Companies in Leeds | C# Developers in Leeds 2026

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

As of November 2026, this directory tracks 58 c-sharp companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $125, the median rating is 4.4, and 21% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Web Development, Bot Development, and AI Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these c-sharp firms 4.8/5 on average. $150 - $199 / hr is the most common rate band. Roughly 21% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

58
Verified Firms
$150 - $199 / hr
Most Common Rate
4.8
Average Rating
21%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked c-sharp Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2
4.7 7 $150 - $199 / hr 10 - 49 1998 Oadby, England Visit Profile
3 4.6 8 $25 - $49 / hr 500 - 999 1998 — Visit Profile
4 4.3 6 $25 - $49 / hr 250 - 999 1999 — Visit Profile
5 4.2 8 $25 - $49 / hr 50 - 249 2012 — Visit Profile
6 — — $50 - $99 / hr 10 - 49 2005 — Visit Profile
7 4.5 8 $25 - $49 / hr 50 - 249 2007 — Visit Profile
8 4.6 9 $50 - $99 / hr 10 - 49 2005 — Visit Profile
9 4.4 9 $50 - $99 / hr 50 - 249 1994 — Visit Profile
10 4.6 9 $100 - $149 / hr 10 - 49 2010 — Visit Profile

The List of Top 10+ C# Development Companies in Leeds | Top C# Developers in Leeds

2018
< $25
10 - 49
—
Undisclosed
2 - 9
2005
$50 - $99
10 - 49
GBP 18,959+
Web Development Web Design PHP Development AngularJS Development Mobile App Development Custom Software Development
2011
$100 - $149
10 - 49
GBP 1,895,888+
AR App Development iOS App Development iPhone App Development Mobile App Development UI-UX Design VR App Development Web Design Web Development
No reviews yet
2005
$50 - $99
10 - 49
GBP 1,895,888+
Web Development Web Design Mobile App Development
2025
Undisclosed
10 - 49
2022
$50 - $99
10 - 49
4.7 7 Reviews
1998
$150 - $199
10 - 49
GBP 3,791,775+
Web Development Web Design E-Commerce Mobile App Development
2015
$25 - $49
2 - 9
2004
$150 - $199
50 - 249
GBP 75,836+
UI-UX Design Mobile App Development E-commerce Development Web Design Web Development
1999
$25 - $49
50 - 249
GBP 37,918+
Web Development Web Design PHP Development Drupal E-Commerce Mobile App Development Ruby on Rails Magento
2010
$100 - $149
10 - 49
GBP 1,895,888+
Web Development Web Design PHP Development WordPress Development E-Commerce Mobile App Development UI/UX Design
No reviews yet
2000
Undisclosed
2 - 9
2021
$50 - $99
2 - 9
2005
$100 - $149
2 - 9
GBP 37,918+
Android App Development iOS App Development UI-UX Design Web Development
1994
$50 - $99
50 - 249
GBP 18,959+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development
2007
Undisclosed
10 - 49
2018
$100 - $149
2 - 9
2012
$300+
2 - 9
GBP 37,918+
Branding Digital Strategy Mobile App Development UI-UX Design Web Design Web Development
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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.

Put the same short brief in front of every Web Development company in Leeds you're considering, and compare not just their quotes but how each one interprets the brief — what questions they ask, what risks they flag, what they'd do differently. Price and timeline matter, but they mean little without knowing whether the firm actually understood the problem. Calling one or two of each company's past clients directly usually tells you more in ten minutes than another round of proposals would.

Leeds's reputation as a Web Development hub didn't happen overnight — it's the result of a steady output of engineering graduates, a maturing local tech scene, and firms that have spent years building repeatable delivery processes for international clients. That combination keeps costs reasonable without forcing a trade-off on quality, which is why the region keeps attracting both first-time outsourcers and companies moving work away from more expensive markets.

You'll generally see three options from Web Development companies in Leeds: fixed-price for scopes that are already nailed down, time-and-materials for projects where the requirements are still taking shape, and a dedicated-team arrangement for products with no real end date. Fixed-price protects your budget but punishes scope creep; time-and-materials is more forgiving of changing plans but requires more active oversight from you. A Web Development firm in Leeds should be able to explain which one fits your situation, not just default to whichever is easiest for them.

Most will, as long as the scope is genuinely locked down — clear requirements, a defined timeline, and agreed deliverables. Fixed-price contracts with Web Development companies in Leeds tie payment to milestones rather than hours worked, which is good for budget predictability but only works if everyone agrees upfront on what a change request looks like. Make sure that process is spelled out in writing before work starts.

The firms that rank well among Web Development companies in Leeds typically have verifiable client references, a track record of finished (not just started) projects, relevant certifications, and consistently positive feedback across multiple engagements — not just one standout case study. Self-reported claims with nothing to back them up carry little weight here; documented outcomes do.

Listings for Web Development companies in Leeds update continuously as new reviews come in, with a more thorough re-ranking pass every few months. That means a firm coasting on an old reputation without fresh client feedback will gradually slide, while newer companies with strong recent delivery can move up — the goal is that the Leeds list reflects how firms are performing now, not two years ago.

Skip past the summary and go straight to the portfolio examples, the full text of client reviews (not just the star rating), and how long the company has been operating. Reviews that mention specific, measurable results — a faster checkout flow, a successful migration, fewer support tickets — tell you far more than generic praise. It's also worth checking whether the Web Development firm in Leeds responds to reviews at all, since that habit tends to mirror how they handle feedback during an actual project.
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