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UPDATED September, 2021

100 .NET Developers in the United Kingdom

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How do you hire a .NET Developer in the United Kingdom for your business? To find the right company, follow these steps:

  1. Ask colleagues in your industry what vendors they’ve worked with and if their experiences were positive or negative.
  2. Review their methodology. All .NET developers will have a slightly different approach, but they should be able to outline their process. Make sure you cover consulting, discovery, design, development, and QA.
  3. Outline how your new partners will manage the project and communication. Whether they’re in the same time zone as your business or on the other side of the world, it’s important that you set communication standards.

With hundreds of .NET development companies to choose from, how do you get started? Our list of the best .NET development companies includes client reviews, minimum project size, team size, specialty services, and client focus. Define the services you need, project goals, and budget to begin narrowing your choices. If you need help creating a shortlist, tell us about your project and receive personalized recommendations.

List of the Best .NET Development Companies in the UK

London, United Kingdom
250 - 999 employees
$50,000+
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DCSL GuideSmiths is a custom software development company. Based in London, United Kingdom; Farnborough, United Kingdom; Manchester, United Kingdom and București, Romania, the agency was founded in 1994. Their services include custom software development, web development, enterprise app modernization, and mobile app development.

Services

Custom Software Development Web Development Enterprise App Modernization Mobile App Development

Client Focus

15% Small Business (<$10M)
60% Midmarket ($10M - $1B)
25% Enterprise (>$1B)
London, United Kingdom
250 - 999 employees
$10,000+
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TatvaSoft is an Ahmedabad, India-based software development company. Their services include custom software development, web development, e-commerce development, IT managed services, and more.

Services

Custom Software Development Web Development E-Commerce Development IT Managed Services Mobile App Development

Client Focus

55% Small Business (<$10M)
35% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
London, United Kingdom
1,000 - 9,999 employees
$25,000+
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ITechArt Group is a custom software development firm founded in 2002. The company focuses on custom software development, mobile app development, AR/VR development, e-commerce development, and more, and is large.

Services

Custom Software Development Mobile App Development AR/VR Development CRM Consulting and SI IoT Development

Client Focus

10% Small Business (<$10M)
60% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Need help selecting a company?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with an analyst.

Free Consultation
London, United Kingdom
50 - 249 employees
$50,000+
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Launched in 2007, Intellectsoft is a midsize Miami, Florida-based custom software development firm. Their team offers custom software development, mobile app development, enterprise app modernization, IT staff augmentation, and more.

Services

Custom Software Development Mobile App Development Enterprise App Modernization IT Staff Augmentation

Client Focus

10% Small Business (<$10M)
50% Midmarket ($10M - $1B)
40% Enterprise (>$1B)
York, United Kingdom
50 - 249 employees
$50,000+
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In York, United Kingdom, Netsells Group is an app development firm. They focus on mobile app development, web development, ux/ui design, and BI & big data consulting & SI.

Services

Mobile App Development Web Development BI & Big Data Consulting & SI UX/UI Design

Client Focus

40% Small Business (<$10M)
40% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
250 - 999 employees
$10,000+
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Tkxel is an application development firm established in 2008. The firm specializes in mobile app development, CRM consulting and SI, and web development.

Services

Web Development CRM Consulting and SI Mobile App Development

Client Focus

30% Small Business (<$10M)
40% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Sevenoaks, United Kingdom
50 - 249 employees
$5,000+
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MobileCoderz Technologies Pvt Ltd is a mobile application development firm. Based in Noida, India, the agency offers mobile app development, ux/ui design, web development, and web design.

Services

Mobile App Development UX/UI Design Web Development Web Design

Client Focus

30% Small Business (<$10M)
40% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Alvechurch, United Kingdom
2 - 9 employees
$10,000+
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Exploding Phone is an Alvechurch, United Kingdom-based application development company. They specialize in mobile app development, web development, and custom software development.

Services

Custom Software Development Mobile App Development Web Development

Client Focus

40% Small Business (<$10M)
50% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
London, United Kingdom
10 - 49 employees
$10,000+
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Based in Gliwice, Poland and London, United Kingdom, Gorrion Software House is a small custom software development firm. The team specializes in custom software development, mobile app development, and ux/ui design.

Services

Custom Software Development Mobile App Development UX/UI Design

Client Focus

60% Small Business (<$10M)
30% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
Harrogate, United Kingdom
10 - 49 employees
Undisclosed
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Eden Agency is a small Harrogate, United Kingdom-based UX agency. Their services include ux/ui design, mobile app development, web development, enterprise app modernization, and more.

Services

Mobile App Development UX/UI Design Web Development Enterprise App Modernization Artificial Intelligence

Client Focus

20% Small Business (<$10M)
30% Midmarket ($10M - $1B)
50% Enterprise (>$1B)
London, United Kingdom
10 - 49 employees
$10,000+
Visit Site
Mobile application development company Stakk was launched in 2016. Based in London, United Kingdom, the team offers mobile app development, web development, custom software development, and ux/ui design.

Services

Mobile App Development UX/UI Design Web Development

Client Focus

45% Small Business (<$10M)
35% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
1,000 - 9,999 employees
$50,000+
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Founded in 1997, DataArt, a large custom software development firm, is in New York, New York; Zug, Switzerland; London , United Kingdom and München, Germany. Their team provides custom software development, cloud consulting & SI, CRM consulting and SI, cybersecurity, and more.

Services

Custom Software Development IT Staff Augmentation Artificial Intelligence IoT Development Cloud Consulting & SI

Client Focus

25% Small Business (<$10M)
55% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Bridge of Don, United Kingdom
250 - 999 employees
$25,000+
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Founded in 2014, CSHARK is a midsize custom software development firm. Their team focuses on custom software development, ux/ui design, and IT staff augmentation.

Services

Custom Software Development UX/UI Design IT Staff Augmentation

Client Focus

40% Small Business (<$10M)
40% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
50 - 249 employees
$100,000+
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Headquartered in Toronto, Canada; Chicago, Illinois; Vancouver, Canada and London, United Kingdom, Myplanet is a website development firm. They provide web development, e-commerce development, and web design.

Services

Web Development E-Commerce Development Web Design

Client Focus

35% Midmarket ($10M - $1B)
65% Enterprise (>$1B)
East Grinstead, United Kingdom
10 - 49 employees
$10,000+
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Ballard Chalmers Ltd is an enterprise app modernization company. Their team is in East Grinstead, United Kingdom. The agency offers enterprise app modernization, custom software development, cloud consulting & SI, application management & support, and more.

Services

Custom Software Development Enterprise App Modernization Cloud Consulting & SI Application Management & Support

Client Focus

10% Small Business (<$10M)
60% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Cheshire, United Kingdom
10 - 49 employees
$25,000+
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Established in 1998, CSI Media is a software development company. The small team provides custom software development, e-commerce development, web design, and web development.

Services

Custom Software Development E-Commerce Development Web Design Web Development

Client Focus

33% Small Business (<$10M)
34% Midmarket ($10M - $1B)
33% Enterprise (>$1B)
london, United Kingdom
10 - 49 employees
$10,000+
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Thought&Function is a web development company founded in 2017. The team offers web development, mobile app development, and ux/ui design and is located in london, United Kingdom.

Services

Mobile App Development Web Development UX/UI Design

Client Focus

40% Small Business (<$10M)
40% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
250 - 999 employees
$25,000+
Visit Site

Innovecs is a custom software development company. The New York, New York-based firm was founded in 2011. Their team specializes in custom software development, cloud consulting & SI, mobile app development, other application development, and more.

Services

Custom Software Development Application Testing Cloud Consulting & SI Mobile App Development Other Application Development
Hednesford, United Kingdom
10 - 49 employees
$1,000+
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Brave Bear Marketing Ltd is a web development firm. Launched in 2019, the team provides web development, web design, pay per click, social media marketing, and more.

Services

Web Development Web Design Pay Per Click Social Media Marketing Search Engine Optimization

Client Focus

55% Small Business (<$10M)
40% Midmarket ($10M - $1B)
5% Enterprise (>$1B)
Aberdeen, United Kingdom
10 - 49 employees
$10,000+
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Fabrit Global, a web development firm, was founded in 2014. In Aberdeen, United Kingdom and Cluj-Napoca, Romania, the team provides web development and custom software development.

Services

Custom Software Development Web Development

Client Focus

30% Small Business (<$10M)
70% Midmarket ($10M - $1B)
London, United Kingdom
2 - 9 employees
$1,000+
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TH-EY, a software development company, specializes in custom software development, web development, and mobile app development. The firm is headquartered in London, United Kingdom.

Services

Custom Software Development Web Development Mobile App Development

Client Focus

100% Small Business (<$10M)
Solihull, United Kingdom
10 - 49 employees
$5,000+
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Established in 2002, Jask Creative is a small graphic design agency in Solihull, United Kingdom. Their team specializes in graphic design, web design, advertising, branding, and more.

Services

Graphic Design Web Design Advertising Branding Video Production

Client Focus

20% Small Business (<$10M)
70% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
London, United Kingdom
50 - 249 employees
$10,000+
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Businessware Technologies is a software development company. They are based in League City, Texas; Novosibirsk, Russia; Minato City, Japan and Toronto, Canada and have midsize team. They focus on custom software development, mobile app development, Artificial Intelligence, and AR/VR development.

Services

Custom Software Development Artificial Intelligence Mobile App Development

Client Focus

50% Small Business (<$10M)
50% Midmarket ($10M - $1B)
London, United Kingdom
50 - 249 employees
$10,000+
Visit Site

Softwire is a custom software development firm. Founded in 2000, the agency provides custom software development, IT strategy consulting, mobile app development, IT staff augmentation, and more.

Services

Custom Software Development IT Strategy Consulting IT Staff Augmentation Mobile App Development Web Development

Client Focus

5% Small Business (<$10M)
65% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Surbition, United Kingdom
10 - 49 employees
$5,000+
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Mrmmbs Vision is an application development firm. Their team is located in New Delhi, India and Surbition, United Kingdom. The company provides mobile app development, web development, custom software development, ux/ui design, and more.

Services

Custom Software Development Mobile App Development Web Development Artificial Intelligence UX/UI Design

Client Focus

40% Small Business (<$10M)
40% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
50 - 249 employees
$10,000+
Visit Site

Incepteo, a mobile application development firm, is located in LONDON, United Kingdom; Hyderabad, India; Gerrards Cross , United Kingdom and Frisco, Texas. They focus on mobile app development, web development, custom software development, branding, and more.

Services

Custom Software Development Mobile App Development Web Development Application Management & Support Branding

Client Focus

40% Small Business (<$10M)
40% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Woking, United Kingdom
250 - 999 employees
$5,000+
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Folio3 is an ERP consulting and SI company in Belmont, California; Pleasanton, California; North Sydney, Australia and Dubai, United Arab Emirates. Their services include ERP consulting and SI, mobile app development, web development, custom software development, and more.

Services

Custom Software Development Wearable App Development ERP Consulting and SI Mobile App Development Artificial Intelligence

Client Focus

10% Small Business (<$10M)
60% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Coventry, United Kingdom
10 - 49 employees
$5,000+
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Custom software development firm Imobisoft was founded in 2007. The team focuses on custom software development, digital strategy, IoT development, web development, and more and is based in Coventry , United Kingdom and London, United Kingdom.

Services

Custom Software Development Digital Strategy IoT Development Web Development Artificial Intelligence

Client Focus

20% Small Business (<$10M)
55% Midmarket ($10M - $1B)
25% Enterprise (>$1B)
Southend-on-Sea, United Kingdom
10 - 49 employees
$10,000+
Visit Site
Software development company Atlas - Clever Software was founded in 2007. The firm offers custom software development, web development, enterprise app modernization, IT strategy consulting, and more, and is small.

Services

Custom Software Development Web Development Enterprise App Modernization IT Strategy Consulting Mobile App Development

Client Focus

20% Small Business (<$10M)
60% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
50 - 249 employees
$10,000+
Visit Site
Software development firm BGO Software is based in Sofia, Bulgaria and Plovdiv, Bulgaria. Founded in 2008, the team offers custom software development, mobile app development, application management & support, IoT development, and more.

Services

Custom Software Development Mobile App Development Application Management & Support IT Managed Services IT Strategy Consulting

Client Focus

10% Small Business (<$10M)
40% Midmarket ($10M - $1B)
50% Enterprise (>$1B)
London, United Kingdom
10 - 49 employees
$50,000+
Visit Site

AVAMAE Software Solutions Ltd, a software development firm, is headquartered in London , United Kingdom. They offer custom software development, mobile app development, and web development and were launched in 2011.

Services

Custom Software Development Mobile App Development Web Development

Client Focus

55% Small Business (<$10M)
35% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
London, United Kingdom
2 - 9 employees
$10,000+
Visit Site
Module Studio, a branding firm, was established in 2001. Based in London, United Kingdom, the team offers branding, web development, digital strategy, and mobile app development.

Services

Branding Web Development Digital Strategy Mobile App Development

Client Focus

60% Small Business (<$10M)
20% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Stanmore, United Kingdom
50 - 249 employees
$5,000+
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Satva Softech is a custom software development firm. Launched in 2016, their team offers custom software development, mobile app development, e-commerce development, and web development.

Services

Custom Software Development Mobile App Development E-Commerce Development Web Development

Client Focus

20% Small Business (<$10M)
50% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Belfast, United Kingdom
50 - 249 employees
$50,000+
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Instil Software is a software development company. Founded in 2005, the company is in Belfast, United Kingdom. Their services include custom software development, mobile app development, cloud consulting & SI, and IoT development.

Services

Custom Software Development Mobile App Development Cloud Consulting & SI Enterprise App Modernization

Client Focus

10% Small Business (<$10M)
40% Midmarket ($10M - $1B)
50% Enterprise (>$1B)
Belfast, United Kingdom
10 - 49 employees
$10,000+
Visit Site

Website development company Web Bureau is located in Belfast, United Kingdom and Dublin , Ireland. Their services include web development, pay per click, search engine optimization, social media marketing, and more.

Services

Web Development Pay Per Click Search Engine Optimization Social Media Marketing Web Design

Client Focus

75% Small Business (<$10M)
25% Midmarket ($10M - $1B)
London, United Kingdom
10 - 49 employees
$25,000+
Visit Site
Software development firm Synetec Ltd specializes in custom software development, cloud consulting & SI, application management & support, application testing, and more. They are located in London, United Kingdom.

Services

Custom Software Development Enterprise App Modernization Artificial Intelligence Application Management & Support Cloud Consulting & SI

Client Focus

50% Small Business (<$10M)
50% Midmarket ($10M - $1B)
Manchester, United Kingdom
10 - 49 employees
$10,000+
Visit Site
Established in 2007, VTS Software is a software development company. The team focuses on custom software development, mobile app development, web development, and BI & big data consulting & SI and is based in Manchester, United Kingdom and Gliwice, Poland.

Services

Custom Software Development Mobile App Development Web Development BI & Big Data Consulting & SI

Client Focus

50% Small Business (<$10M)
50% Midmarket ($10M - $1B)
London, United Kingdom
50 - 249 employees
$5,000+
Visit Site
Railay is an IT staff augmentation company established in 2010. The team provides IT staff augmentation, custom software development, e-commerce development, IT managed services, and more and is located in Saigon, Vietnam and London, United Kingdom.

Services

Custom Software Development IT Staff Augmentation E-Commerce Development IT Managed Services Mobile App Development

Client Focus

60% Small Business (<$10M)
40% Midmarket ($10M - $1B)
London, United Kingdom
10 - 49 employees
$10,000+
Visit Site
We Are Kitty is a London, United Kingdom-based UX company. They specialize in ux/ui design, e-commerce development, web design, web development, and more and were founded in 2017.

Services

E-Commerce Development UX/UI Design Web Design Web Development Conversion Optimization

Client Focus

30% Small Business (<$10M)
50% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Coventry, United Kingdom
250 - 999 employees
$25,000+
Visit Site
Objectivity Ltd., a custom software development company, is in Coventry, United Kingdom; Wrocław, Poland and Frankfurt, Germany. Founded in 1991, the team provides custom software development, enterprise app modernization, ux/ui design, Artificial Intelligence, and more.

Services

Custom Software Development Application Management & Support Artificial Intelligence Cloud Consulting & SI Enterprise App Modernization

Client Focus

60% Midmarket ($10M - $1B)
40% Enterprise (>$1B)
Leeds, United Kingdom
10 - 49 employees
$25,000+
Visit Site
Audacia is a custom software development firm. In Leeds, United Kingdom and London, United Kingdom, the company was launched in 2010. Their team offers custom software development, enterprise app modernization, web development, IT strategy consulting, and more.

Services

Custom Software Development Enterprise App Modernization Web Development Application Testing IT Strategy Consulting

Client Focus

10% Small Business (<$10M)
70% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Leeds, United Kingdom
2 - 9 employees
$10,000+
Visit Site
NewRedo Ltd. Is a software development company launched in 2010. The firm provides custom software development, IT managed services, and mobile app development.

Services

Custom Software Development IT Managed Services Mobile App Development

Client Focus

20% Small Business (<$10M)
50% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
London, United Kingdom
2 - 9 employees
$5,000+
Visit Site

Headquartered in London, United Kingdom, BOOST Design is a web design agency. They focus on web design, search engine optimization, and conversion optimization and were founded in 2019.

Services

Web Design Web Development Search Engine Optimization

Client Focus

50% Small Business (<$10M)
50% Midmarket ($10M - $1B)
Hertfordshire, United Kingdom
10 - 49 employees
$5,000+
Visit Site
JANETO is a Ho Chi Minh, Vietnam-based web development company. They focus on web development, mobile app development, custom software development, ux/ui design, and more and were launched in 2014.

Services

Custom Software Development Web Development Mobile App Development IT Staff Augmentation IT Strategy Consulting

Client Focus

60% Small Business (<$10M)
40% Midmarket ($10M - $1B)
Eashing, United Kingdom
50 - 249 employees
$10,000+
Visit Site
UNILY (formerly BrightStarr) is a software development firm. Their team is based in New York, New York; Bellevue, Washington and Eashing, United Kingdom. The firm specializes in custom software development, unified communications consulting & SI, IT managed services, mobile app development, and more.

Services

Custom Software Development Unified Communications Consulting & SI IT Managed Services Mobile App Development Web Development

Client Focus

25% Small Business (<$10M)
60% Midmarket ($10M - $1B)
15% Enterprise (>$1B)
East Sussex, United Kingdom
10 - 49 employees
$50,000+
Visit Site
Bright Interactive is a custom software development firm founded in 1999. The team focuses on custom software development, web development, ux/ui design, and cloud consulting & SI.

Services

Custom Software Development Web Development Cloud Consulting & SI UX/UI Design

Client Focus

10% Small Business (<$10M)
35% Midmarket ($10M - $1B)
55% Enterprise (>$1B)
Manchester, United Kingdom
50 - 249 employees
$10,000+
Visit Site
CTI Digital is a Manchester, United Kingdom-based web development firm. Their services include web development, e-commerce development, IT managed services, web design, and more.

Services

Web Development E-Commerce Development IT Managed Services Web Design Pay Per Click

Client Focus

15% Small Business (<$10M)
60% Midmarket ($10M - $1B)
25% Enterprise (>$1B)
London, United Kingdom
10 - 49 employees
$5,000+
Visit Site
KUBAS Labs is a website development firm located in London, United Kingdom. They provide web development, e-commerce development, and custom software development.

Services

Custom Software Development E-Commerce Development Web Development

Client Focus

30% Small Business (<$10M)
50% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
London, United Kingdom
50 - 249 employees
$50,000+
Visit Site
Established in 2003, LAB Group is an UX design company.The team offers ux/ui design, digital strategy, e-commerce development, mobile app development, and more.

Services

Digital Strategy E-Commerce Development Mobile App Development UX/UI Design Web Design

Client Focus

30% Small Business (<$10M)
35% Midmarket ($10M - $1B)
35% Enterprise (>$1B)
St. Austell, United Kingdom
10 - 49 employees
$10,000+
Visit Site

Hiyield is a St. Austell, United Kingdom-based web development company. They provide web development, custom software development, ux/ui design, application management & support, and more.

Services

Custom Software Development Web Development UX/UI Design Web Design

Client Focus

50% Small Business (<$10M)
50% Midmarket ($10M - $1B)
Need help selecting a company?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with an analyst.

Free Consultation