Top 100 Dot Net Developers in the United Kingdom

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Top 100 Dot Net Developers in the United Kingdom

The Best of November 2026

Looking for a top dot net developer in the United Kingdom?

.NET is a powerful, flexible software framework utilized by many businesses. 

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List of the Best United Kingdom .NET Development Services

  • 1
    (16 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    250 - 999 employees
    London, England
    Custom software development company Shinetech Software is headquartered in Beijing, China; Sydney, Australia; Melbourne, Australia and London, England. The midsize company was launched in 2001. Their team provides Custom Software Development, IT staff augmentation, Enterprise App Modernization, and Artificial Intelligence.
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    Clients

    Barts Health NHS Trust

    Industries

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  • 2
    (103 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England
    Vention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.
    Read More

    Clients

    IBM PayPal pwc IC Markets

    Industries

  • 3
    (51 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England
    Established in 2000, Future Processing is a custom software development company. The midsize team provides Custom Software Development, cloud consulting & SI, AI Consulting, Artificial Intelligence, and more. The agency is based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany.
    Read More

    Clients

    Allocate

    Industries

  • 4
    (31 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.

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    Clients

    BNY Mellon DPD Acino DRAX

    Industries

  • 5
    (48 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    TatvaSoft is a custom software development company headquartered in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England. Established in 2001, the large team focuses on Custom Software Development, Web Development, Mobile App Development, cloud consulting & SI, and more.

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    Clients

    Anglo American

    Industries

  • 6
    (46 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $50,000+
    50 - 249 employees
    London, England
    Launched in 2007, Intellectsoft is a software development firm. The company specializes in Custom Software Development, Artificial Intelligence, Mobile App Development, IT staff augmentation, and more and has a midsize team.
    Read More

    Industries

  • 7
    (36 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England
    10Pearls is a custom software development company located in Vienna, Virginia; Medellín, Colombia; New York, New York and San Rafael de Escazú, Costa Rica. The large firm was established in 2004. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.
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    Clients

    HughesNet

    Industries

  • 8
    (58 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England
    Infinum, a custom software development company, was established in 2005. They are in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.
    Read More

    Clients

    Philips

    Industries

  • 9
    (31 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    London, England
    Midsize software development firm GoodCore Software, is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Founded in 2005, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.
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    Clients

    PMLL GCBF Hirevine London Women's Clinic

    Industries

  • 10
    (12 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England

    Haefele Software is a midsize Cape Town, South Africa-based software development company. They focus on Custom Software Development, Enterprise App Modernization, Web Development, API Development, and more and were founded in 2006.

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    Clients

    Tesco Burger King AS Watson Group Pikmykid

    Industries

  • 11
    (103 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    4.8
    $50,000+
    250 - 999 employees
    London, England
    STX Next, an AI firm, is headquartered in Poznań, Poland; London, England; Mérida, Mexico and Spring, Texas. They specialize in Artificial Intelligence, Web Development, Generative AI, and AI Consulting and were founded in 2005.
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    Clients

    Mastercard Canon Hogarth Man

    Industries

  • 12
    (42 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    1,000 - 9,999 employees
    London, England
    Itransition is a large ERP consulting and SI company established in 1998. Their services include ERP consulting and SI, Custom Software Development, CRM consulting and SI, Artificial Intelligence, and more. The agency is based in Decatur, Georgia; London, England; Vilnius, Lithuania and Warszawa, Poland.
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    Clients

    Expedia

    Industries

  • 13
    (35 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London, England
    N-iX is a business intelligence company. The large North Miami Beach, Florida-based team offers BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more. The agency was founded in 2002.
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    Clients

    Bosch Siemens eBay Total Energies

    Industries

  • 14
    (20 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    London, England
    Synetec, an AI development company, is located in London, England. They specialize in Artificial Intelligence, AI Consulting, Custom Software Development, and Web Development and were founded in 2009.
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    Clients

    Argentex

    Industries

  • 15
    (22 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England
    Transparity, an AI Agents company, is in London, England. The midsize team specializes in AI Agents, AI Consulting, Custom Software Development, Enterprise App Modernization, and more and was established in 2015.
    Read More

    Clients

    Alzheimer’s Society NSPCC NHS Lush

    Industries

  • 16
    (5 Reviews) 4.9

    Timeliness

    4.5

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Bristol, England
    Founded in 1998, Mentor Digital is a small web development firm. Their team specializes in Web Development, Web Design, Branding, Search Engine Optimization, and more. The company is based in Bristol, England and London, England.
    Read More

    Clients

    Tree Aid

    Industries

  • 17
    (5 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Manchester, England

    VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services. 

    Read More

    Clients

    Whispering Smith

    Industries

  • 18
    (54 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.7
    Undisclosed
    250 - 999 employees
    London, England
    Net Solutions is an AI firm. Their midsize team is based in Toronto, Canada; Chandigarh, India; London, England and New York, New York and provides Artificial Intelligence, E-Commerce Development, Enterprise App Modernization, Custom Software Development, and more. The firm was founded in 2000.
    Read More

    Clients

    Microsoft

    Industries

  • 19
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    2 - 9 employees
    SHEFFIELD, England

    Inflecto Systems, a software development company, is located in SHEFFIELD, United Kingdom. The firm provides custom software development, mobile app development, and business consulting and has a small team.The firm was founded in 2006.

    Read More

    Industries

  • 20
    (66 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    London, England
    Binariks is a Torrance, California-based AI firm. The midsize agency was launched in 2016. Their team specializes in Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, AI Consulting, and more.
    Read More

    Clients

    eMotorWercks/EnelX

    Industries

  • 21
    (37 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.5

    Value

    4.6

    Would Recommend

    4.7
    $50,000+
    250 - 999 employees
    London, England
    Vega IT is a Novi Sad, Serbia-based custom software development company. Established in 2008, the midsize team offers Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.
    Read More

    Clients

    Howden Group Arthur D. Little Costa Coffee UniCredit bank

    Industries

  • 22
    (93 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    London, England
    Founded in 2015, Digis, a Fiverr company (NYSE: FVRR) is a custom software development company. The midsize team specializes in Custom Software Development, Web Development, and IT staff augmentation. The firm is based in London, England; New York, New York; București, Romania and L'viv, Ukraine.
    Read More

    Clients

    Blablacar Hubspot PwC Huma

    Industries

  • 23
    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Influential Software is a London, England-based software development firm. The midsize team focuses on Custom Software Development, Web Development, BI & big data consulting & SI, IT managed services, and more and was founded in 1993.
    Read More

    Clients

    Deloitte

    Industries

  • 24
    (13 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Cheshire , England

    CSI Media is an award-winning web and software development company with 23 years’ experience in delivering bespoke, advanced solutions for mid-market and enterprise-level companies across the UK. They combine inspiring design with the latest tech to deliver world-class digital solutions including CMS websites (Umbraco, Sitecore & Shopify), web applications, e-commerce platforms, business portals, and software systems and, since 1998, they have developed over 200 custom platforms for companies across the U.K.

     

    Read More

    Clients

    The Priory Group AutoTrader's Motor Trade Delivery Commonwealth Parliamentary Association Cargiant

    Industries

  • 25
    (5 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Great Baddow, England

    Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.

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    Clients

    Epson

    Industries

  • 26
    (26 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London , England
    Software development firm DataArt is located in New York, New York; Zug, Switzerland; London , England and München, Germany. Established in 1997, the large team provides Custom Software Development, IoT development, Artificial Intelligence, BI & big data consulting & SI, and more.
    Read More

    Clients

    Ocado Technology Metro Markets Nasdaq Invesco

    Industries

  • 27
    (28 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $25,000+
    250 - 999 employees
    London, England
    Altkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.
    Read More

    Clients

    BNP Paribas

    Industries

  • 28
    (6 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Southend-on-Sea, England

    Software agency Atlas - Clever Software is headquartered in Essex and another office in London. With 17 employees, the agency specializes in web, custom software, mobile app development, and more for mainly midmarket businesses.

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    Clients

    Barclays

    Industries

  • 29
    (101 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.7
    $1,000+
    1,000 - 9,999 employees
    London, England
    AI Consulting company Dotsquares is based in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The large team provides AI Consulting, Web Development, Mobile App Development, E-Commerce Development, and more. The firm was established in 2002.
    Read More

    Clients

    Ericsson

    Industries

  • 30
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Bedford, England
    Established in 2017, Unity Developers is a small AR/VR development company. Their services include AR/VR development, Custom Software Development, Mobile App Development, and Artificial Intelligence. The agency is based in Bedford, England.
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    Clients

    SAP

    Industries

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