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. 

Jump to Most Reviewed Companies

List of the Best London IT Companies

  • 691
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Shepperton, England
    Timeless IT, an IT managed services company, is in Shepperton, England. They specialize in IT managed services and IT strategy consulting and were launched in 2002.
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  • 692
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Technologygroup is an IT managed services company based in London, England. Their services include IT managed services and IT strategy consulting.
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  • 693
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Shoreditch, England
    In Shoreditch, England, UK2 is an IT managed services company. The team focuses on IT managed services and IT strategy consulting.
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  • 694
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Founded in 2009, VESK Ltd is an IT managed services company. The team offers IT managed services and IT strategy consulting.
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    Industries

  • 695
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Virtual Internet UK Ltd, an IT managed services company, provide IT managed services and IT strategy consulting. They were founded in 1996.
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    Industries

  • 696
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    VIRTUS Data Centres is an IT managed services company. The small London, England-based team specializes in IT managed services and IT strategy consulting. The firm was established in 2008.
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    Industries

  • 697
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    WEM Technology Ltd. Is a small London, England-based IT managed services company. The team provides IT managed services and IT strategy consulting.
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    Industries

  • 698
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    London, England
    Big data analytics company Climber specializes in BI & big data consulting & SI and IoT development. They were founded in 2005.
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    Industries

  • 699
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    London, England
    Emagine Consulting is a big data analytics company headquartered in London, England and Nanterre, France. They focus on BI & big data consulting & SI and Cybersecurity and were launched in 1994.
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    Industries

  • 700
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10,000+ employees
    London, England
    Omnicom is an Advertising company. They are in New York, New York and London, England, and their services include Advertising and Branding.
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    Industries

  • 701
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Uxbridge, England
    SPC International Group is an IT managed services company. In Uxbridge, England, their team specializes in IT managed services and Back Office Outsourcing.
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  • 702
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    London , England
    Frontera Consulting is a midsize business intelligence company located in New York, New York and London , England. Their services include BI & big data consulting & SI and ERP consulting and SI.
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  • 703
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    London , England
    Altis Consulting is a data analytics company. They were established in 1998 and focus on BI & big data consulting & SI and cloud consulting & SI.
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  • 704
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10,000+ employees
    London, England
    Advertising company Sapient Razorfish was founded in 1990. The company specializes in Advertising and Branding, and is large.
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  • 705
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Launched in 2011, Digital Shadows is a Cybersecurity company. The midsize team specializes in Cybersecurity.
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  • 706
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    1,000 - 9,999 employees
    London, England
    Artefact, an AI firm, is located in Paris, France and London, England. They offer Artificial Intelligence and Social Media Marketing.
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  • 707
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    London, England
    MeritGroup is a big data analytics company. They are based in London, England and have large team. They provide BI & big data consulting & SI and Call Center Services.
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  • 708
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    ASI Data Science, an AI development company and data analytics company, was founded in 2014. The team offers Artificial Intelligence and BI & big data consulting & SI and is based in London, England.
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  • 709
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Ravelin Technology is an AI company and Cybersecurity company. They were launched in 2014, and their services include Artificial Intelligence and Cybersecurity.
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  • 710
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Shapecast is a small London, England-based cloud consulting & SI company. The team focuses on cloud consulting & SI and IT managed services.
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  • 711
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Established in 2013, Cezanne HR is a cloud consulting & SI and HR Consulting company. The team specializes in cloud consulting & SI and HR Consulting.
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  • 712
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Thames Ditton, England
    Established in 1977, SHL is a big data analytics company and HR Consulting company. The firm focuses on BI & big data consulting & SI and HR Consulting, and is midsize.
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  • 713
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Launched in 2000, eVestment is a midsize Atlanta, Georgia-based cloud consulting & SI and Business Consulting company. Their services include cloud consulting & SI and Business Consulting.
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  • 714
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    PredictX is a London, England-based AI development company and data analytics company. Founded in 2014, the team specializes in Artificial Intelligence and BI & big data consulting & SI.
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  • 715
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    London, England
    Optima Computer Centre Ltd is a small London, England-based IT managed services company. The team provides IT managed services and Web Design.
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  • 716
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Bloomsbury, London, England
    Tacit Knowledge is a software development firm established in 2002. Their services include Custom Software Development and E-Commerce Development.
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  • 717
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Credera UK is a midsize IT strategy consulting company in London, England and Manchester, England. Their services include IT strategy consulting and IT managed services.
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  • 718
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    IT strategy consulting company Fluid IT Ltd is in London, England. They provide IT strategy consulting and IT managed services and were founded in 2005.
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  • 719
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Mavens is a cloud consulting & SI and CRM consulting and SI company launched in 2007. In Chicago, Illinois and London, England, the team provides cloud consulting & SI and CRM consulting and SI.
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  • 720
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Nebula Consulting Ltd is a cloud consulting & SI and CRM consulting and SI company. The team is located in London, England, and their services include cloud consulting & SI and CRM consulting and SI.
    Read More
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