Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

The Best of July 2026

Looking for a top IT services company in London?

IT Services are the means to ensure all your hardware continues to function. There are essential to any business and we've compiled a list of the best teams in London for you to review. 

Jump to Most Reviewed Companies

List of the Best London IT Companies

  • 211
    (4 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.8
    $10,000+
    10 - 49 employees
    London, England

    Aegasis Labs is an artificial intelligence company. The small team is in London, United Kingdom. Their services include Artificial Intelligence, custom software development, BI & big data consulting & SI, blockchain, and more.

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    Industries

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  • 212
    (31 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    London, England

    Suntel Analytics, LLC is a West Palm Beach, Florida-based AI development company. Launched in 2022, the small team focuses on Artificial Intelligence, business consulting, corporate training, ai consulting, and more.

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    Industries

  • 213
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    1,000 - 9,999 employees
    London, England
    Netsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.
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    Industries

  • 214
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England
    Heur is a Digital Strategy company founded in 2019. They are in London, England and have a small team. The company focuses on Digital Strategy, Email Marketing, Pay Per Click, CRM consulting and SI, and more.
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    Clients

    King & Mcgaw
  • 215
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Twickenham, England
    Allfutures is a Performance Marketing company based in Twickenham, England. The small team provides Performance Marketing, CRM consulting and SI, and Marketing Strategy and was launched in 2025.
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  • 216
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    London, England
    Kornhill Services Limited is an IT strategy consulting company. They are based in London, England and have a small team that provides IT strategy consulting, Artificial Intelligence, AI Consulting, and Custom Software Development. The firm was established in 2022.
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    Industries

  • 217
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    Tasman Analytics is a big data company. Launched in 2016, the team specializes in BI & big data consulting & SI and Marketing Strategy.
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    Industries

  • 218
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    London, England
    Empirics, a big data analytics company, was launched in 2004. The midsize team provides BI & big data consulting & SI and cloud consulting & SI.
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    Industries

  • 219
    (1 Reviews) 4.0

    Timeliness

    4.0

    Service Excellence

    4.0

    Value

    5.0

    Would Recommend

    4.0
    Undisclosed
    250 - 999 employees
    London, England
    Littlefish Group is an IT managed services company. Their midsize team is located in Nottingham, England; Sheffield, England and London, England. The company specializes in IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.
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    Industries

  • 220
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England
    Upturn Growth is a London, United Kingdom-based digital strategy company. The small team provides digital strategy, email marketing, conversion optimization, BI & big data consulting & SI, and more and was launched in 2020.
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    Clients

    M&S

    Industries

  • 221
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    London, England

    BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting. 

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    Clients

    MED49
  • 222
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Zapro Digital was founded in 2015 and is located in London. Their team of nearly ten employees provides SEO, web design, and ERP consulting and SI services.

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    Industries

  • 223
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    IT managed services company TDM Group is in London, England and Staines-upon-Thames, England. The team offers IT managed services and Cybersecurity.
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    Industries

  • 224
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Beckenham, England
    Gregory Micallef Associates is an IT managed services company. They offer IT managed services and Call Center Services and were launched in 1992.
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    Industries

  • 225
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    CovertSwarm is a Cybersecurity company based in London, England and Wilmington, Delaware. Founded in 2020, the team provides Cybersecurity.
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    Industries

  • 226
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England

    Altahonos is a digital reputation company based in London with offices in San Francisco and Istanbul. The company, founded in 2017, has a team of more than ten that provides cybersecurity, branding, digital strategy, SEO, and IT strategy consulting services to various clients and companies. 

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    Clients

    Jasper's Info Tech

    Industries

  • 227
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    London, England
    Midsize UX agency Ambala IT, is headquartered in Dhaka, Bangladesh; London, England and Kasoa, Ghana. They offer UX/UI Design, IT strategy consulting, Custom Software Development, Web Development, and more and were founded in 2016.
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    Industries

  • 228
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    IT strategy consulting company Air IT Group was established in 2005. The team provides IT strategy consulting and cloud consulting & SI.
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  • 229
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Borehamwood, England
    Raygain Technologies is a cloud consulting & SI company. Located in Borehamwood, England and New Delhi, India, their team focuses on cloud consulting & SI and Cybersecurity.
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    Industries

  • 230
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Launched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.
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    Industries

  • 231
    (7 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.1

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    Richmond, England
    User experience agency Unified is located in Richmond, England. The company offers UX/UI Design, Conversion Optimization, Digital Strategy, E-Commerce Development, and more and is small.The company was launched in 1993.
    Read More

    Industries

  • 232
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10,000+ employees
    London, England
    Established in 1990, Hexaware Technologies is a large Woodbridge Township, New Jersey-based IT managed services company. Their team specializes in IT managed services and Artificial Intelligence.
    Read More

    Industries

  • 233
    (2 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England
    Tupelo Limited is an IT staff augmentation company. The small London, United Kingdom-based firm was established in 2018. Their team provides IT staff augmentation, recruiting, and IT strategy consulting.
    Read More

    Industries

  • 234
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    London, England
    Macnitech is a cloud consulting & SI company. The company is located in London, England. Their services include cloud consulting & SI and Cybersecurity.
    Read More

    Industries

  • 235
    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.0

    Value

    5.0

    Would Recommend

    4.5
    $1,000+
    10 - 49 employees
    London, England
    Webtech is a custom software development firm. They specialize in Custom Software Development, Web Development, UX/UI Design, ERP consulting and SI, and more and were founded in 2021. Their small team is in London, England.
    Read More

    Industries

  • 236
    (12 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Plexteq, a custom software development company, was established in 2014. Headquartered in Vinnytsia, Ukraine; Tallinn, Estonia and London, England, their midsize team provides Custom Software Development, Enterprise App Modernization, DevOps Managed Services, BI & big data consulting & SI, and more.
    Read More

    Clients

    AVI-SPL

    Industries

  • 237
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Launched in 2002, zsah Limited is a cloud consulting & SI company. The team offers cloud consulting & SI and BI & big data consulting & SI.
    Read More

    Industries

  • 238
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Unified communications consulting & SI company Content Formula was launched in 2005. The company offers unified communications consulting & SI and Custom Software Development, and is small.
    Read More
  • 239
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Stanmore, England
    Micromindercs is a Cybersecurity company. Launched in 2018, the team focuses on Cybersecurity and IT managed services.
    Read More

    Industries

  • 240
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    CyberOne, a Cybersecurity company, was founded in 2005. The company specializes in Cybersecurity and IT managed services, and is midsize.
    Read More

    Industries

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