Top 100 Cloud Security Companies in the United Kingdom

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Top 100 Cloud Security Companies in the United Kingdom

The Best of April 2026

Looking for a top cloud security company in the United Kingdom?

As organizations increasingly rely on cloud infrastructure, cloud security companies provide critical protection against vulnerabilities and cyberattacks. These companies offer comprehensive security solutions, such as access control, data encryption, and real-time threat monitoring, designed to secure cloud-based applications and data. 

List of the Best United Kingdom Cloud Security Providers

  • 1

    (30 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    Undisclosed
    50 - 249 employees
    Farnborough, England
    Foresite Cybersecurity is a Cybersecurity company. Their midsize team is based in Overland Park, Kansas and Farnborough, England and specializes in Cybersecurity, Compliance Consulting, cloud consulting & SI, and IT managed services. The agency was launched in 2013.
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  • 2

    (31 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.

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    Clients

    BNY Mellon DPD Acino DRAX

    Industries

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  • 3

    (3 Reviews) 4.3

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.5
    Undisclosed
    50 - 249 employees
    London, England
    BreachLock Inc is an Application Testing company. Launched in 2019, the midsize agency is based in New York, New York; Amsterdam, Netherlands and London, England. Their team offers Application Testing, Cybersecurity, and DevOps Managed Services.
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  • 4

    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Reigate, England
    Opus Technology is a midsize Reigate, England-based IT managed services company. They specialize in IT managed services, Call Center Services, and Cybersecurity and were established in 1992.
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    Clients

    Which? The consumer champion All Saints Fred Olsen Dignity Funerals PLC

    Industries

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  • 5

    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Scunthorpe, England
    The HBP Group is an IT managed services company. They focus on IT managed services, IT strategy consulting, and Cybersecurity and were founded in 1991. Their midsize team is Scunthorpe, England-based.
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    Clients

    R&G Fluid Power Group BetterYou Black Onyx Concepts GCH Corporation

    Industries

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  • 6

    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    250 - 999 employees
    Manchester, England
    Aress Software is a midsize IT strategy consulting company. They focus on IT strategy consulting, cloud consulting & SI, CRM consulting and SI, Cybersecurity, and more and were founded in 1999.
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    Industries

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  • 7

    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    4.0
    $25,000+
    10,000+ employees
    Lyne, England
    Persistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.
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    Industries

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  • 8

    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Edinburgh, Scotland

    Managed IT Experts Ltd. Is a small CRM consulting and SI company. The Edinburgh, United Kingdom-based company was established in 2005. Their services include CRM consulting and SI, IT managed services, cybersecurity, BI & big data consulting & SI, and more.

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  • 9

    (6 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.9

    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

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  • 10

    (5 Reviews) 4.9

    Timeliness

    4.4

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Barlborough, England
    AAG is an IT managed services company. Their small team is in Barlborough, United Kingdom and Sheffield, United Kingdom and focuses on IT managed services, IT strategy consulting, and cybersecurity. The firm was established in 2009.
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    Industries

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  • 11

    (2 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.3

    Would Recommend

    4.0
    $5,000+
    50 - 249 employees
    London, England
    Wavex Technology Ltd, an IT managed services company, was established in 1998. The firm offers IT managed services, cloud consulting & SI, IT strategy consulting, Cybersecurity, and more and has a midsize team. The firm is in London, England.
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    Industries

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  • 12

    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Manchester, England
    Cloud4 Technology Ltd is an IT managed services company established in 2009. The small team offers IT managed services, Cybersecurity, cloud consulting & SI, IT strategy consulting, and more. The firm is headquartered in Manchester, England and Warrington, England.
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  • 13

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    1,000 - 9,999 employees
    London, England
    Netsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.
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    Industries

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  • 14

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    London, England
    Cloudcomputing is a Cybersecurity company. The midsize Lisboa, Portugal-based team offers Cybersecurity. The company was launched in 2010.
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  • 15

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    CovertSwarm is a Cybersecurity company based in London, England and Wilmington, Delaware. Founded in 2020, the team provides Cybersecurity.
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    Industries

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  • 16

    (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.
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  • 17

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Harrogate, England
    Data Connect Group is a Cybersecurity company. Their small team is located in Harrogate, England. Their services include Cybersecurity.
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    Industries

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  • 18

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Saltire Centre, Scotland
    Ember is a small mobile application development company founded in 2016. Their services include Mobile App Development and API Development.
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    Industries

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  • 19

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    London, England
    Telefónica Tech (EN) is a Cybersecurity company. They are in London, England, and their services include Cybersecurity and IT managed services.
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    Industries

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  • 20

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    London, England
    Exponential-e, a Cybersecurity company, specializes in Cybersecurity and cloud consulting & SI. The firm is based in London, England.
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  • 21

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Redscan is a Cybersecurity company founded in 2015. Their team offers Cybersecurity.
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    Industries

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  • 22

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Newcastle upon Tyne, England
    Cybit is a Cybersecurity company launched in 1991. Located in Newcastle upon Tyne, England and Thatcham, England, the team specializes in Cybersecurity and IT managed services.
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  • 23

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Frome, England
    NETITUDE is an IT managed services company established in 2001. In Frome, England and Bristol, England, the team offers IT managed services and IT strategy consulting.
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    Industries

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  • 24

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Established in 2020, Securityium is a Cybersecurity company. The team offers Cybersecurity and IT strategy consulting.
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  • 25

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Chatham, England
    Founded in 2009, Ivinco is a small Cybersecurity company. Their services include Cybersecurity and IT managed services.
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  • 26

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Founded in 2018, Principle Networks Ltd, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.
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    Clients

    Hill Dickinson LLP Iris Software Hargreaves Services Plc Buzz Bingo

    Industries

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  • 27

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Exeter, England
    Nexus Open Systems Ltd is a midsize IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were launched in 1998.
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    Clients

    The Met Office

    Industries

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  • 28

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Launched in 1999, Lucidica is an IT managed services company. The agency offers IT managed services and Cybersecurity.
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    Industries

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  • 29

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Altrincham, England
    Cyphere is a small Application Testing company. Launched in 2020, the team focuses on Application Testing and Cybersecurity.
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    Industries

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  • 30

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Manchester, England
    NetMonkeys Ltd is a small IT managed services company established in 2003. Their services include IT managed services and Cybersecurity.
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