Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

The Best of December 2025

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

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  • 601

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    IT managed services company Mirus IT Solutions is headquartered in Wymbush, England and London, England. Their services include IT managed services and other IT consulting and SI.
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  • 602

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Our IT Department is an IT managed services company in London, England. They focus on IT managed services and cloud consulting & SI.
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  • 603

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Ziptech Services is an IT managed services company. They are headquartered in London, England and have small team of experts. Their services include IT managed services and IT strategy consulting.
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  • 604

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Conosco is an IT managed services company based in London, England. The team focuses on IT managed services and IT strategy consulting.
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  • 605

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Made by Many is a London, England-based Product Design company. The team provides Product Design and unified communications consulting & SI.
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  • 606

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    England, England
    Telehouse Europe is an IT managed services company located in England, England. They specialize in IT managed services and IT strategy consulting.
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  • 607

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Kings Langley, England
    Annodata is an IT managed services company. The team is based in Kings Langley, England, and their services include IT managed services and IT strategy consulting.
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  • 608

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    1,000 - 9,999 employees
    London, England
    Interoute Communications is an IT managed services company. They are based in London, England and Nottingham, England, and their services include IT managed services and other IT consulting and SI.
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  • 609

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    MBA IT is a midsize IT managed services company headquartered in London, England. Their services include IT managed services and IT strategy consulting.
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  • 610

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Lanware is an IT managed services company launched in 1993. Their team specializes in IT managed services and IT strategy consulting.
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  • 611

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    London, England
    OCSL is an IT managed services company. In London, England, their team provides IT managed services and IT strategy consulting.
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  • 612

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Veber is an IT managed services company. Founded in 1999, the firm is based in London, England. Their services include IT managed services and IT strategy consulting.
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  • 613

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Byfleet, England
    4D Data Centres is a small IT managed services company established in 1999. Their team specializes in IT managed services and cloud consulting & SI.
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  • 614

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Enfield, England
    IT managed services company Coreix was launched in 2003. Based in Enfield, England and London, England, the team provides IT managed services.
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  • 615

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Chesterfield, 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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  • 616

    (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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  • 617

    (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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  • 618

    (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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  • 619

    (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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  • 620

    (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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  • 621

    (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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  • 622

    (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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  • 623

    (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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  • 624

    (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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  • 625

    (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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  • 626

    (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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  • 627

    (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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  • 628

    (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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  • 629

    (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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  • 630

    (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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