Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

The Best of March 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. 

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List of the Best London IT Companies

  • 661

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    London, England
    EBECS, an ERP consulting and SI company, is in Chesterfield, England and Sheffield, England. Their services include ERP consulting and SI and IT strategy consulting.
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  • 662

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    IT managed services company Fitzrovia IT is based in London, England and Enfield, England. The team specializes in IT managed services and IT strategy consulting.
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  • 663

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Based in London, England, Lanmark is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.
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  • 664

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Hayes, England
    Established in 2001, Armadillo is an IT managed services company. The agency specializes in IT managed services and IT strategy consulting.
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  • 665

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    London, England
    Cloud consulting & SI company Cloudreach was founded in 2009. The company provides cloud consulting & SI and IT managed services, and is midsize.
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  • 666

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Connect Managed Services is an IT managed services company. Based in London, England, the firm specializes in IT managed services.
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  • 667

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London , England
    Niu Solutions is a London , England-based IT managed services company. They provide IT managed services and IT strategy consulting and were founded in 2000.
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  • 668

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    IT managed services company Databarracks was founded in 2003. The team provides IT managed services and Cybersecurity and is located in London, England.
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  • 669

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    New Signature is a midsize IT managed services company in London, England. The team specializes in IT managed services and IT strategy consulting.
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  • 670

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    London, England
    IT managed services company Claranet was founded in 1996. The team specializes in IT managed services and IT strategy consulting.
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  • 671

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    QuoStar Solutions Limited is an IT managed services company. The London, England-based agency was founded in 2005. Their services include IT managed services and IT strategy consulting.
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  • 672

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    London, England
    Established in 1990, Ultima Business Solutions Ltd. Is an IT managed services company. In Reading, England and London, England, the team specializes in IT managed services and IT strategy consulting.
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  • 673

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Surrey , England
    Class Networks is an IT managed services company established in 1989. Headquartered in Surrey , England and London, England, the team offers IT managed services and cloud consulting & SI.
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  • 674

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Fifosys Ltd, an IT managed services company, was founded in 2001. The firm offers IT managed services and IT strategy consulting, and is small.
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  • 675

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Surrey , England
    Located in Surrey , England, LAN2LAN is an IT managed services company. Their services include IT managed services and IT strategy consulting.
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  • 676

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Stellarise is a small IT managed services company in London, England. The team focuses on IT managed services and IT strategy consulting.
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  • 677

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Small big data company Praesto Consulting, is in London, England and Hoboken, New Jersey. Their services include BI & big data consulting & SI and CRM consulting and SI.
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  • 678

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Bluesource, a midsize IT managed services company, is headquartered in London, England. The team specializes in IT managed services and IT strategy consulting.
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  • 679

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Carrenza is a small IT managed services company headquartered in London, England. Their services include IT managed services and IT strategy consulting.
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  • 680

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Founded in 1998, InfoTech Solutions Limited, a small IT managed services company, is in London, England and Kent , England. Their services include IT managed services.
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  • 681

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Harrow, England
    Located in Harrow, England, Abiquo is an IT managed services company. The team specializes in IT managed services and cloud consulting & SI.
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  • 682

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Based in London, England, Boxfusion Consulting is a small business intelligence company. The team focuses on BI & big data consulting & SI and cloud consulting & SI.
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  • 683

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Ardenta Limited is an IT managed services company established in 2001. The company focuses on IT managed services and IT strategy consulting, and is small.
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  • 684

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Hayes, England
    123 Reg is an IT managed services company. The Hayes, England-based firm was founded in 2000. Their services include IT managed services and IT strategy consulting.
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  • 685

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Albans, England
    Launched in 2001, Assign-IT Ltd is an IT managed services company. The small team offers IT managed services and IT strategy consulting.
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  • 686

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London , England
    IT managed services company Backbone UK was launched in 1998. The company focuses on IT managed services and IT strategy consulting, and is small.
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  • 687

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Beeso IT Limited is an IT managed services company established in 2016. Based in London, England, the team offers IT managed services and IT strategy consulting.
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  • 688

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Block Solutions is an IT managed services company. The company is based in London, England and Crewe, England. Their team offers IT managed services and IT strategy consulting.
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  • 689

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Leatherhead, England
    Blue Sky Systems Limited is an IT managed services company. They provide IT managed services and IT strategy consulting and were established in 2014. The company is located in Leatherhead, England.
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  • 690

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    IT managed services company BTA Limited was launched in 1994. The firm specializes in IT managed services and IT strategy consulting, and is small.
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