Top 10+ .Net Development Companies in London July 2026

Last Updated 27th July 2026 | Category: Top Web Development Firms

The List of Top 10+ .Net Development Companies in London | Top .Net Developers London July 2026

hyperlink infosystem

Details

Founded: 2011
Hourly Rates: < $25
Employees: 1000+
Avg. Project Cost: GBP 1,895,888+
Ratings:
5.0
497 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • AngularJS Development
Hyperlink InfoSystem is a leading web development company. They provide a huge range of information technology services and a solution for web design, web development & mobile app development, digital marketing services. They have skilled web designers and developers who are always enthusiastic to make unique websites. They help every client to make their business appearance sparkle. Hyperlink InfoSystem takes the time to hear from their clients, truly understand their needs and propose a tailor-made solution to meet their particular needs and budget.

They offer a compelling user experience, combines with primary business systems & takes the data necessary to drive business opportunities. They understand the value of every small study of business and consider it with the quality & deadline.
mtr design

Details

Founded: 2005
Hourly Rates: $50 - $99
Employees: 10 - 49
Avg. Project Cost: GBP 18,959+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • AngularJS Development
  • Mobile App Development
  • Custom Software Development
Established in 2005, it is a web development company. They know that people make the exception – not their number, but their skills & knowledge. They have various strategies for startups and have established a track record to deliver large size enterprise solutions over the globe. They have to get the trust & respect of a huge range of organizations from fast-moving startups.
dcsl software

Details

Founded: 1994
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: GBP 18,959+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
They take a unique approach by fusing traditional and new methods to develop quality software and website at speed while retaining our personal touch and fastidious attitude to planning. They have helped businesses ranging from start-ups & ventures, small owner-managed companies through to large public organizations. They strive to make your online investment in your business extremely profitable.
kirkpatrick creative

Details

Founded: 1978
Hourly Rates: N/A
Employees: 2 - 9
Avg. Project Cost: GBP 1,895,888+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
Kirkpatrick Creative is a full service, results-driven advertising agency dedicated to law firm clientele. They develop marketing and advertising strategy very stringently upon analytics that they harvest from a database of advertising production, unique to each law firm. Their propriety software lets them develop their client's brands while maximizing the efficiency and productivity of their client's advertising dollars.
the software house

Details

Founded: 2012
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: GBP 75,836+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • DevOps
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
They provide web and mobile solutions for enterprises. They do not think solely about coding. Every bit of software that they develop is your business demands and their team always focuses on your company's goals & profits. Most of their market comes from referrals. They will work difficult to get yet another fulfilled customer and they hope that you will stay with them for years. They want your apps to have the best quality possible and in order to do that, they have to know your enterprise inside out.
itransition

Details

Founded: 1998
Hourly Rates: $25 - $49
Employees: 500 - 999
Avg. Project Cost: GBP 1,895,888+
Ratings:
4.6
8 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • Mobile App Development
  • Custom Software Development
  • Ruby on Rails
  • Magento
They convert your strategies into software systems & technology processes that optimize your business performance. They help large, medium-sized companies & startups to design, develop and grow websites that provide their demands and brings ideas to life. Their activities are controlled by corporate policies that define the ways of managing business, staff and client relations.
opus online

Details

Founded: 2009
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: GBP 18,959+
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.
lemberg solutions

Details

Founded: 2007
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: GBP 7,584+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • Drupal
  • Mobile App Development
  • UI/UX Design
  • Internet of Things
Lemberg is, above all, a team of passionate professionals led by a core team that has been meticulously selected for more than ten years now. They are crafting our own culture to help attract talented people who want to become successful. Even though our skill set is diverse, they are united by the same values. They develop and maintain premium web solutions and digital operations that join brands with people enthusiastic about their mission. With over long years of experience in the digital game, they know what is right.
moove agency

Details

Founded: 2010
Hourly Rates: $100 - $149
Employees: 10 - 49
Avg. Project Cost: GBP 1,895,888+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
They build and support high-performing websites and applications that make global businesses succeed in the digital world. They combine their technical and productive expertise with their support to bring you just outstanding web development services. Their mission is to help companies to grow more successful in the digital world. like establishing long-term mutually beneficial partnerships.
anvileight

Details

Founded: 2005
Hourly Rates: $50 - $99
Employees: 10 - 49
Avg. Project Cost: GBP 1,895,888+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
The company provides best Python web development services to its clients. They develop web and mobile applications for both enterprises and entrepreneurs. The mission is to give high-quality technology services locally, nationally and internationally while making it simple to work inside the company and with the company from external. They found our business model and they are not beginners.

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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 London 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.

The line items that push a Web Development project in London 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 London should surface most of this before you sign anything.

The firms that rank well among Web Development companies in London 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.

Yes — you can filter Web Development companies in London by budget range, hourly rate, team size, and area of specialization before reaching out to anyone. Pairing those filters with review scores usually gets you to a realistic shortlist in a few minutes instead of manually working through every listing in the category.

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 London responds to reviews at all, since that habit tends to mirror how they handle feedback during an actual project.

Look past the pitch deck: read the portfolio for technical substance, check independent reviews rather than the testimonials on the company's own site, and ask for a reference from a project similar in scope to yours. Then ask directly how they handle QA and what happens when a bug slips through after delivery. A Web Development company in London that's confident in its process will answer that last question specifically, not with a vague reassurance.

They're not everything, but they're not nothing either. Certifications like ISO 27001 for data security or CMMI for process maturity signal that a Web Development company in London has been through external scrutiny of how it operates, which is a reasonable baseline. Treat them as one data point among several — a firm with strong certifications but weak references is still a risk, and vice versa.

Get clear, specific answers on: who owns the code once it's delivered, what the support window looks like after launch, how they handle a team member leaving mid-project, and what their process is when a client requests a scope change. Vague or evasive answers to any of these from a Web Development company in London are a bigger red flag than a slightly higher quote.

Bring a real problem from your own project to a discovery call and see how the team engages with it — the quality of their follow-up questions tells you more than any slide deck. Ask to see actual code from past work, not just screenshots of the finished product, and look for evidence of technical writing, open-source contributions, or conference talks, which are harder to fake than a polished portfolio page. A Web Development company in London with genuine depth won't be shy about any of this.

The sweet spot for value tends to be mid-size Web Development companies in London — big enough to have real process and accountability, small enough to keep overhead (and therefore price) reasonable. These firms usually can't compete with large agencies on brand name, so they compete on transparent, milestone-based pricing and a portfolio that speaks for itself. Ask to see completed work at roughly your budget level before assuming a firm is a fit.
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