Top 100 Cybersecurity Companies in the United Kingdom

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Top 100 Cybersecurity Companies in the United Kingdom

The Best of April 2024

Looking for a top cybersecurity consultant in the United Kingdom?

Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age. 

Jump to Most Reviewed Companies

List of the Best United Kingdom Cybersecurity Consultants

  • 1
    (15 Reviews) 4.6
    • Timeliness

      4.6
    • Service Excellence

      4.6
    • Value

      4.3
    • Would Recommend

      4.7
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Transputec, a midsize cybersecurity company, is located in Wembley, United Kingdom. They focus on cybersecurity, IT managed services, and custom software development and were launched in 1984.

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    Industries

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  • 2
    (12 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • Edinburgh, United Kingdom

    Texaport is an established and reputable managed service provider with a strong focus on security and customer service excellence. Texaport empowers organizations with comprehensive managed services that combine exceptional customer service, strategic digital transformation, and robust security solutions.

    Founded in 2012, Texaport has been providing IT solutions, Consultancy, and Cybersecurity to clients throughout the UK and across the globe.

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    Industries

  • 3
    (13 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.3
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Clayton-le-Woods, United Kingdom

    Launched in 2001, HW Technology is an IT managed services company. The agency specializes in IT managed services, cybersecurity, IT strategy consulting, and other IT consulting and SI and has a small team.

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    Industries

  • 4
    (2 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom

    HewardMills is a Data Protection Office (DPO) services company based in London with offices in Dublin, San Francisco, Berlin, and Zurich. The company has a team of more than 30 that provides business consulting, cybersecurity, and corporate training services to various companies.

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    Clients

    • Monzo
    • Symantec
    • iManage
    • HCL
  • 5
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.

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    Clients

    • Mind
    • Terrence Higgins Trust
    • NCVO
    • ACEVO

    Industries

  • 6
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Quema OÜ is a small IT strategy consulting and cloud consulting & SI company. The Tallinn, Estonia-based company was founded in 2022. Their team offers IT strategy consulting and cloud consulting & SI.

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    Clients

    • Blyp
    • Parkbird
    • Belle
    • Lingopie

    Industries

  • 7
    (3 Reviews) 4.8
    • Timeliness

      4.2
    • Service Excellence

      4.8
    • Value

      4.5
    • Would Recommend

      4.7
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.

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    Industries

  • 8
    (5 Reviews) 4.5
    • Timeliness

      4.5
    • Service Excellence

      4.5
    • Value

      3.3
    • Would Recommend

      4.7
    • $50,000+
    • 1,000 - 9,999 employees
    • Leeds, United Kingdom

    Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients. 

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    Clients

    • Euroclear
    • Barclays
    • Xerox
    • BBC

    Industries

  • 9
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Bradford on Avon, United Kingdom

    Established in 1999, Systemagic Ltd is an IT managed services company. The firm offers IT managed services, cloud consulting & SI, cybersecurity, and IT strategy consulting and has a small team. The firm is located in Bradford on Avon, United Kingdom and London, United Kingdom.

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    Industries

  • 10
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • Middlesbrough, United Kingdom
    North IT is a Middlesbrough, United Kingdom-based cybersecurity company. The small agency was launched in 2012. Their team specializes in cybersecurity.
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    Industries

  • 11
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Colden Common, United Kingdom

    Evalian is a small cybersecurity and business consulting company. Based in Colden Common, United Kingdom; London, United Kingdom and Worcester, United Kingdom, the firm was founded in 2017. Their team specializes in cybersecurity and business consulting.

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    Clients

    • Alliants
    • T.M Lewin
    • Copy Bet
    • Vistry Group

    Industries

  • 12
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Billericay, United Kingdom

    Clear Thinking Solutions is a communication and IT solutions provider based in Essex, U.K., with an office in London. The company, founded in 2009, has a team of more than 20 that provides IT managed services, cybersecurity, and IT strategy consulting to small and midmarket companies.

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    Industries

  • 13
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2019, BreachLock Inc is a cybersecurity company. They are in New York, New York and have a midsize team. Their services include cybersecurity, IoT development, application testing, compliance consulting, and more.

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    Industries

  • 14
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • Undisclosed
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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
  • 15
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Sheffield, United Kingdom

    PAV I.T. Services is an IT company in Leeds and Burgess Hill, England. Founded in 1988, they have about 33 employees that serve mostly small-business and midmarket clients in the automotive, legal, and financial sectors. Services include IT managed services, cloud consulting, and IT strategy consulting.

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    Clients

    • Stevensdrake solicitors
    • XYZ
    • La Redoute
    • MDA College

    Industries

  • 16
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Bournemouth, United Kingdom

    Cloudserve is a cloud solutions provider based in Bournemouth, England with an office in London. Founded in 2009, their team of fewer than 50 professionals offers IT managed services, IT strategy consulting, and cloud consulting & SI services for small and medium-sized businesses. They have experience working in various industries, including hospitality, financial services, and IT.

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    Clients

    • FJB Hotels
    • BSN Social Care
    • Futur First
    • Braben

    Industries

  • 17
    (3 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.3
    • Undisclosed
    • 50 - 249 employees
    • Liverpool, United Kingdom

    ReputationDefender is a public relations firm. Their midsize team is located in Redwood City, California; Tempe, Arizona and Liverpool, United Kingdom. Their services include public relations, cybersecurity, and search engine optimization. The company was established in 2006.

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    Industries

  • 18
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 2 - 9 employees
    • Farnborough, United Kingdom

    ACUMED Consulting Ltd is a data science and business analytics consultancy based in Hook, U.K. The consultancy, founded in 2010, has a team of less than ten that provides BI & big data consulting & SI, cybersecurity, AI, business consulting, and other application development services. ACUMED Consulting serves small and mid-market companies in various industries that include gaming, advertising & marketing, and health care & medical. 

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    Clients

    • RIOT Games
    • Fourth Floor Creative
    • EMERGEiQ
    • Boehringer-Ingelheim

    Industries

  • 19
    (4 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Belfast, United Kingdom

    Tibus Ltd is an internet company based in Belfast, Ireland that was founded in 1996. Their team of around 30 employees provides managed IT services to mid-market and small businesses in the IT sector. 

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    Industries

  • 20
    (11 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Potters Bar, United Kingdom

    IT managed services company TWC IT Solutions was established in 2011. They are located in Potters Bar, United Kingdom; Jersey City, New Jersey and Central, Hong Kong and have a small team. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, and more.

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    Industries

  • 21
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom
    Founded in 2020, CovertSwarm is a cybersecurity company. The company focuses on cybersecurity and has a small team.
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    Industries

  • 22
    (6 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.8
    • $10,000+
    • 10 - 49 employees
    • Leeds, United Kingdom

    Founded in 2010, NewRedo Ltd. is a software development company headquartered in Leeds, England. Their team of under 10 serves businesses of all sizes in industries such as healthcare, financial services, and government. Services include custom software development, IT managed services, and mobile app development. 

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    Clients

    • RaceBest
    • Off Limits
    • British Library

    Industries

  • 23
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom
    Founded in 2023, Opstergo is a cloud consulting & SI company. The small Zagreb, Croatia-based team specializes in cloud consulting & SI, devops managed services, and cybersecurity.
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  • 24
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Hildenborough, United Kingdom

    RSK Cyber Security is a cybersecurity company. They are headquartered in Hildenborough, United Kingdom and Dubai, United Arab Emirates and have a small team. Their services include cybersecurity, cloud consulting & SI, web development, mobile app development, and more. The company was established in 2021.

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    Industries

  • 25
    (1 Reviews) 4.5
    • Timeliness

      5.0
    • Service Excellence

      4.5
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Teceze Ltd is a London-based IT company founded in 2012 with more than 10 employees. They are experts in IT strategy consulting, cybersecurity, and IT managed services for clients that work in the industries of business services, consumer products, and more.

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    Clients

    • Outsell, Inc.

    Industries

  • 26
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    DigiTaiken, a product design company, was launched in 2019. The small team specializes in product design, cybersecurity, custom software development, Artificial Intelligence, and more. The agency is headquartered in London, United Kingdom; Bengaluru, India and Mississauga, Canada.

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    Industries

  • 27
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 1,000 - 9,999 employees
    • Milton, United Kingdom
    Darktrace , a cybersecurity company, was established in 2013. The firm specializes in cybersecurity and has a large team.
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    Industries

  • 28
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Manchester, United Kingdom

    Apex Computing Services Ltd is an IT managed services company. Their small team is headquartered in Manchester, United Kingdom and Salford, United Kingdom. The company offers IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The company was launched in 2003.

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  • 29
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • London, United Kingdom
    Based in Peshawar, Pakistan and London, United Kingdom, WQsoftwares is a marketing strategy company. The midsize company was founded in 2014. Their team specializes in marketing strategy, cloud consulting & SI, cybersecurity, and custom software development.
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  • 30
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom
    Ministry Design is a branding agency. Their small team is located in London, United Kingdom. Their team offers branding, voice services, digital strategy, search engine optimization, and more.
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    Clients

    • Oxfam
    • UNICEF
    • Skadden LLP
    • Dechert LLP

    Industries

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