Top 100 Cybersecurity Companies in the United Kingdom

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Top 100 Cybersecurity Companies in the United Kingdom

The Best of September 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

  • 31
    (1 Reviews) 5.0
    • Timeliness

      3.5
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, England
    Hivemind Technologies is a devops managed services company. Their small team is headquartered in Berlin, Germany and London, United Kingdom. The company focuses on devops managed services, microservices architecture services, cloud consulting & SI, cybersecurity, and more.
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    Clients

    • Payone
    • Siemens Energy
    • Elvah
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  • 32
    (4 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Belfast, Northern Ireland

    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

  • 33
    (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, England

    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

  • 34
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.6
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Bracknell, England

    Deployflow is a boutique DevOps agency composed of a team of fewer than 10 professionals founded in 2010. Based in Reading, the United Kingdom, they provide cloud consulting & SI, cybersecurity, and IT managed services solutions for small and medium-sized businesses in various fields, such as financial services, IT, and real estate.

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    Clients

    • TCN

    Industries

  • 35
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries. 

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    Industries

  • 36
    (6 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.8
    • $10,000+
    • 10 - 49 employees
    • Leeds, England

    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

    Industries

  • 37
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • London, England
    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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  • 38
    (1 Reviews) 5.0
    • Timeliness

      4.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $50,000+
    • 1,000 - 9,999 employees
    • Antrim, North Ireland, Northern Ireland

    IT strategy consulting and other IT consulting and SI company Black Box is headquartered in. The company provides IT strategy consulting and other IT consulting and SI and is large.The company was established in 1976.

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  • 39
    (1 Reviews) 4.5
    • Timeliness

      4.5
    • Service Excellence

      4.5
    • Value

      4.0
    • Would Recommend

      4.0
    • $25,000+
    • 10,000+ employees
    • Lyne, England

    Persistent Systems is a software development firm based in Pune, India. Founded in 1990, their team of over 12,000 employees provides custom software development, CRM consulting, and IT strategy services.

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    Industries

  • 40
    (1 Reviews) 4.0
    • Timeliness

      3.5
    • Service Excellence

      4.0
    • Value

      3.5
    • Would Recommend

      3.5
    • $10,000+
    • 1,000 - 9,999 employees
    • Bourne End, England

    Pomeroy is an IT infrastructure solutions company based in Hebron, KY, with offices in Bourne End, UK, Pittsburgh, PA, and New York. Since it was founded in 1982, the team has grown to over 3,00 employees. Pomeroy provides IT managed services, non-voice BPO/back office services, and cybersecurity capabilities.

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    Industries

  • 41
    (17 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.4
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • Clayton-le-Woods, England

    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

  • 42
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • London, England
    Findigo is a small IT staff augmentation company located in Warszawa, Poland. Launched in 2023, the team offers IT staff augmentation, web development, mobile app development, ux/ui design, and more.
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    Industries

  • 43
    (2 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

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

    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

  • 44
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 10 - 49 employees
    • London, England

    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

  • 45
    (0 Reviews)

    Not yet reviewed.

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

  • 46
    (3 Reviews) 4.3
    • Timeliness

      4.3
    • Service Excellence

      4.3
    • Value

      4.3
    • Would Recommend

      4.3
    • Undisclosed
    • 1,000 - 9,999 employees
    • London, England

    ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.

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    Industries

  • 47
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    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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  • 48
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • London, England
    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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  • 49
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    CyberSRC Consultancy LLP is a cybersecurity company. Launched in 2018, the company is located in Noida, India and London, United Kingdom. The small team specializes in cybersecurity, application testing, and business consulting.
    Read More

    Industries

  • 50
    (0 Reviews)

    Not yet reviewed.

    • $250,000+
    • 2 - 9 employees
    • London, England
    SanRa is a cybersecurity company. They are located in London, United Kingdom and have a small team. Their services include cybersecurity.
    Read More

    Industries

  • 51
    (1 Reviews) 4.0
    • Timeliness

      4.0
    • Service Excellence

      4.0
    • Value

      5.0
    • Would Recommend

      4.0
    • Undisclosed
    • 250 - 999 employees
    • Nottingham, England
    Littlefish Managed IT Services is an IT managed services company. Their midsize team is located in Nottingham, United Kingdom; Sheffield, United Kingdom and London, United Kingdom. The firm specializes in IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting. The firm was established in 2003.
    Read More

    Industries

  • 52
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • London, England
    Clear Infosec is a Jersey City, New Jersey-based cybersecurity company. They specialize in cybersecurity, IT staff augmentation, and IT strategy consulting and were established in 2017.
    Read More

    Industries

  • 53
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    DynaRisk, a cybersecurity company, is in London, United Kingdom. The small firm was launched in 2016. Their team focuses on cybersecurity.
    Read More

    Clients

    • Hiscox

    Industries

  • 54
    (0 Reviews)

    Not yet reviewed.

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

    Industries

  • 55
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, England

    ERP consulting and SI company Professional Advantage is in North Sydney, Australia. The midsize team offers ERP consulting and SI, cloud consulting & SI, BI & big data consulting & SI, cybersecurity, and more and was established in 1989.

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    Industries

  • 56
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • London, England

    Cyber Legion is a cybersecurity company located in London, United Kingdom. They offer cybersecurity, application testing, and other IT consulting and SI and were founded in 2021.

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  • 57
    (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.

    Read More

    Industries

  • 58
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 1,000 - 9,999 employees
    • London, England
    IT strategy consulting company Beryl Technologies Ltd is headquartered in London, United Kingdom and Multan, Pakistan. The firm focuses on IT strategy consulting, cybersecurity, and IT managed services and is large.The firm was launched in 2023.
    Read More
  • 59
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    RiskIQ is a cybersecurity company based in San Francisco with a team of just over 150 employees. Established in 2009, they provide cybersecurity, business intelligence, big data consulting, and software integration services to clients in a variety of industries.

    Read More

    Clients

    • Amazon

    Industries

  • 60
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 250 - 999 employees
    • London, England

    Founded in 2007, Lookout is a cybersecurity company. The firm focuses on cybersecurity and has a midsize team.

    Read More

    Industries

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