Top Cybersecurity Consulting Companies in the United Kingdom
Cyber threats and tightening regulation have made security a board-level issue for U.K. organizations, and specialist firms exist to help. U.K. cybersecurity companies cover the full range, from penetration testing and risk assessments to managed detection and response, incident response, and compliance work against standards like Cyber Essentials, ISO 27001, and U.K. GDPR. Many align to NCSC guidance and serve regulated sectors such as finance, healthcare, and the public sector.
Clutch connects you with cybersecurity companies in the United Kingdom vetted through verified client reviews, so you can compare expertise, credentials, and value before you hire. Use the filters below to narrow by budget, industry, and team size, or explore related directories:
• Top Cybersecurity Consulting Companies
• Cybersecurity Consulting Companies in London
• Cybersecurity Consulting Companies in Edinburgh
• Cybersecurity Consulting Companies in Manchester
• U.K. Cybersecurity Consulting Companies for Financial Services
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Featured
What are Featured Providers?
UndisclosedUndisclosed50 - 249Serves United KingdomServices provided
See all 30 projectsForesite Cybersecurity is a managed cybersecurity company focused on providing comprehensive IT security solutions, including vulnerability assessment, network security, and penetration testing. Reviews indicate high satisfaction, with over 90% highlighting their responsiveness, thorough communication, and the value of their services. Their skilled engineers and competitive pricing are consistently praised, making them an excellent choice for clients needing tailored cybersecurity support.
$1,000+$25 - $49 / hr50 - 249Serves United KingdomServices provided
See all 17 projectsWinged IT specializes in providing comprehensive cybersecurity services, including information security, IT security, and vulnerability assessment. The company receives overwhelmingly positive feedback, with clients praising their expertise, professionalism, and seamless integration into existing teams. Notably, 100% of reviewers commend their ability to align with client needs, enhancing security posture and accelerating project delivery with a dedicated, flexible approach.
$25,000+$100 - $149 / hr250 - 999Serves United KingdomServices provided
See all 45 projectsApriorit is a cybersecurity firm specializing in IT security and vulnerability assessments. The company garnered positive feedback for its expertise in niche computing areas and customer-first approach, with 100% of reviewers highlighting effective communication and timely delivery. Their services in data protection and security analysis have been instrumental in enhancing client products.
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UndisclosedUndisclosed2 - 9Handforth, England
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SES Escrow is a Cybersecurity company. The Handforth, England-based agency was founded in 2008. Their services include Cybersecurity.
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UndisclosedUndisclosed2 - 9Hemel Hempstead, England
Services provided
Cybersecurity company Security Everywhere Ltd. Is headquartered in Hemel Hempstead, England. They focus on Cybersecurity and were launched in 2020.
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Featured
What are Featured Providers?
$1,000+Undisclosed250 - 999Serves United KingdomServices provided
See all 73 projectsTPx is a managed cybersecurity company, offering comprehensive services in IT security, network security, and data protection. With a focus on delivering cost-effective and efficient solutions, TPx has garnered overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional customer service and responsiveness. Clients reported significant improvements in security posture, operational cost reductions, and seamless project management.
$5,000+$25 - $49 / hr250 - 999Serves United KingdomServices provided
See all 6 projectsAress Software is a comprehensive IT services company specializing in cloud migration, CRM implementation, and custom software development. Approximately 95% of their reviews on Clutch.co highlight their technical expertise and strong project management skills, with clients praising their ability to consistently deliver on time and exceed expectations. Their commitment to understanding clients' needs and providing tailored solutions is frequently noted as a key strength.
$5,000+$100 - $149 / hr250 - 999Serves United KingdomServices provided
See all 9 projectsNet at Work LLC is a firm specializing in IT services, including Network Security, Managed Cybersecurity, and software support. They consistently deliver projects on time, demonstrating expertise in various IT areas. Notably, 100% of reviewers commend their effective project management and resourcefulness, though one notes the loss of key engineers over time.
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UndisclosedUndisclosed50 - 249London, England
Services provided
CyberOne, a Cybersecurity company, was founded in 2005. The company specializes in Cybersecurity and IT managed services, and is midsize.
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UndisclosedUndisclosed250 - 999Birmingham, England
Services provided
IT strategy consulting company Air IT Group was established in 2005. The team provides IT strategy consulting and cloud consulting & SI.
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$1,000+$50 - $99 / hr2 - 9London, England
Services provided
Headquartered in London, England, Cynance is a Cybersecurity company. Established in 2019, the team specializes in Cybersecurity.
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$1,000+Undisclosed2 - 9Leeds, England
Services provided
Cybersecurity company Data Protection People was launched in 2016. In Leeds, England, the team focuses on Cybersecurity.
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UndisclosedUndisclosed10 - 49Birmingham, England
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Cybersecurity company Aristi Limited offers Cybersecurity. They were launched in 2008.
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Featured
What are Featured Providers?
$5,000+Undisclosed50 - 249Serves United KingdomServices provided
See all 17 projectsLayerCake Technologies, a leader in providing Managed Cybersecurity and IT services, excels in Information Security, Network Security, and Cyber Defense. Their reviews reflect a 100% positive sentiment, emphasizing their outstanding communication, effective problem-solving, and dedication to client satisfaction. Notably, 80% of reviewers highlight their responsiveness and technical expertise, making LayerCake Technologies a trusted partner for comprehensive IT Security solutions.
$1,000+$200 - $300 / hr2 - 9Serves United KingdomServices provided
See all 16 projectsWendego IT Solutions is a managed cybersecurity and IT services provider, excelling in IT security, network security, and data protection. Review themes highlight their proactive approach, expert guidance, and strong customer service, with over 95% of reviewers praising their prompt response times and reliable support. They foster trusted partnerships with clients, offering comprehensive IT management and cybersecurity solutions tailored to diverse business needs.
$5,000+$200 - $300 / hr10 - 49Serves United KingdomServices provided
See all 3 projectsDatalink Networks Inc. is a cybersecurity firm specializing in Information Security and Managed Cybersecurity solutions. Reviewers highlight the company's dedication to swift and effective problem-solving, with 100% of feedback praising their rapid response to unexpected challenges and exceptional client service. The firm is noted for its expert guidance and efficient implementation of security services, ensuring comprehensive Data Protection.
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$1,000+$100 - $149 / hr50 - 249London, England
Services provided
Safetech Innovations Global Services LTD is a Cybersecurity company headquartered in London, England and Frederick, Maryland. Established in 2022, the team provides Cybersecurity.
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$10,000+$300+ / hr250 - 999London, England
Services provided
Exponential-e, a Cybersecurity company, specializes in Cybersecurity and cloud consulting & SI. The firm is based in London, England.
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Featured
What are Featured Providers?
UndisclosedUndisclosed10 - 49Serves United KingdomServices provided
See all 2 projectsNopalCyber is a Managed Cybersecurity company specializing in Information Security, Network Security, and Vulnerability Assessment services. With 100% positive feedback, clients praise their thorough work, excellent communication, and value for money. Notably, 50% of reviewers highlight their seamless integration and 24/7 cybersecurity monitoring, emphasizing NopalCyber's commitment to quality and client satisfaction.
$5,000+$150 - $199 / hr1,000 - 9,999Serves United KingdomServices provided
See all 93 projectsIntegris is a managed IT services company with a focus on cybersecurity, providing comprehensive IT infrastructure, cybersecurity, and cloud services. Their reviews highlight a 100% positive response regarding their team's quality and responsiveness. A notable 83% of clients emphasize their expertise in IT security and network management, citing their proactive problem-solving and reliable support.
$5,000+$150 - $199 / hr50 - 249Serves United KingdomServices provided
See all 20 projectsInfracore is a cybersecurity and IT support company specializing in services such as cloud migration, network security, and cyber defense. Across their reviews, Infracore is consistently praised for their technical expertise, responsiveness, and on-time delivery, with over 90% of clients highlighting their proactive approach to information security and data protection. Clients commend their ability to align with company values and culture, often referring to Infracore as a trusted resource.
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UndisclosedUndisclosed2 - 9Middlesbrough, England
Services provided
Sencode Cyber SEcurity, a Cybersecurity company, was established in 2019. The team specializes in Cybersecurity.
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$5,000+$200 - $300 / hr10 - 49London, England
Services provided
Established in 2021, Kloudwerk is a Cybersecurity company. The small team specializes in Cybersecurity.
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$5,000+Undisclosed10 - 49London, England
Services provided
Established in 2020, Securityium is a Cybersecurity company. The team offers Cybersecurity and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Chesterfield, England
Services provided
Black Swan Cyber Security Solutions, a Cybersecurity company, was established in 2006. They provides Cybersecurity.
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UndisclosedUndisclosedFreelancerLondon, England
Services provided
Phenomlab Ltd is a Cybersecurity company. Based in London, England, the team provides Cybersecurity.
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$5,000+$25 - $49 / hr250 - 999London, England
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IntelligenceX is a Cybersecurity company. They specialize in Cybersecurity and cloud consulting & SI and are in London, England.
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Undisclosed$50 - $99 / hr2 - 9London, England
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Cybersecurity company Cyber Legion was launched in 2021. Located in London, England, the team offers Cybersecurity and Application Testing.
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Undisclosed$50 - $99 / hr10 - 49London, England
Services provided
GoAllSecure is a Cybersecurity company launched in 2022. The firm provides Cybersecurity and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Plymouth, England
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Cybersecurity company Constant Edge is based in Plymouth, England and Claymont, Delaware. Founded in 2018, the team provides Cybersecurity.
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UndisclosedUndisclosed10 - 49London, England
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SURFSecurity is a Cybersecurity company. They are headquartered in London, England and have small team. They offer Cybersecurity.
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$1,000+$150 - $199 / hr10 - 49Aldershot, England
Services provided
Intouch Cyber Security is a Cybersecurity company. They are headquartered in Aldershot, England, and their services include Cybersecurity and Compliance Consulting.
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UndisclosedUndisclosed2 - 9London, England
Services provided
RockSec Group, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.
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$1,000+$100 - $149 / hr10 - 49London, England
Services provided
Secore Information Security Ltd is a Cybersecurity company. The London, England-based agency was launched in 2023. Their team specializes in Cybersecurity.
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UndisclosedUndisclosed2 - 9London, England
Services provided
Founded in 2020, Cyber Sense Limited is a Cybersecurity company. The team offers Cybersecurity and Application Testing.
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$10,000+$300+ / hr10 - 49London, England
Services provided
Global Protect Risk is a Cybersecurity company. Their team is in London, England and provides Cybersecurity.
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UndisclosedUndisclosed10 - 49London, England
Services provided
Black Smith Security, a small Cybersecurity company, is in London, England. Their services include Cybersecurity.
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$5,000+Undisclosed10 - 49London, England
Services provided
EJN Labs, a Cybersecurity company, offer Cybersecurity and AI Consulting. They were founded in 2025.
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UndisclosedUndisclosed250 - 999London, England
Services provided
Based in London, England, Marshall Info Tech is a midsize IT managed services company. The team specializes in IT managed services and Cybersecurity.
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UndisclosedUndisclosed250 - 999London, England
Services provided
Professional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.
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$5,000+Undisclosed2 - 9Jarrow, England
Services provided
Vanguard Cyber Security Ltd is a small Cybersecurity company headquartered in Jarrow, England. The team focuses on Cybersecurity.
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$5,000+$50 - $99 / hr2 - 9Oldbrook, England
Services provided
GEOPC Ltd is an Oldbrook, England-based Cybersecurity company. Founded in 2023, the team provides Cybersecurity.
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$5,000+$25 - $49 / hr50 - 249London, England
Services provided
Lightrove Technology is a midsize Cybersecurity company founded in 2020. Their services include Cybersecurity and IT staff augmentation.
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$1,000+Undisclosed50 - 249Gloucester, England
Services provided
Cloud9 Data Solutions is a Cybersecurity company. Launched in 2018, the company specializes in Cybersecurity and Compliance Consulting.
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$50,000+$150 - $199 / hr2 - 9London, England
Services provided
Monsevo, a Cybersecurity company, provide Cybersecurity. They were launched in 2023.
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$1,000+$25 - $49 / hr1,000 - 9,999London, England
Services provided
See all 1 projectsBeryl Technologies Ltd provides IT services, including cabling and decommissioning tasks in data centers across Europe and APAC. The reviews highlight the company's efficient project management, timely responses, and budget-friendly pricing. Clients express high satisfaction with their collaborative efforts, indicating that Beryl Technologies Ltd is a reliable partner for dispatch and other IT-related tasks.
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Undisclosed$50 - $99 / hr2 - 9Wakefield, England
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Hacked Website Fix is a Cybersecurity company. They were established in 2017 and offer Cybersecurity and IT managed services.
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$1,000+$100 - $149 / hr2 - 9London, England
Services provided
Cybersecurity company Dreadsec Ltd is headquartered in London, England. The team offers Cybersecurity.
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$5,000+Undisclosed50 - 249London, England
Services provided
Cybersecurity company Cybernoq LTD is headquartered in London, England. Their services include Cybersecurity and IT managed services.
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$1,000+$25 - $49 / hr2 - 9London, England
Services provided
Cybersecurity company AttackIUM is in London, England. They provide Cybersecurity.
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$5,000+Undisclosed10 - 49London , England
Services provided
Binary Response is a Cybersecurity company. Based in London , England, their team specializes in Cybersecurity.
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Undisclosed$150 - $199 / hr2 - 9London, England
Services provided
Cyberstrategix Consulting is a Cybersecurity company. The agency is located in London, England. Their team offers Cybersecurity.
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$1,000+$50 - $99 / hrFreelancerLondon, England
Services provided
Fifth Ace is a Cybersecurity company. They provide Cybersecurity and were founded in 2025.
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$1,000+Undisclosed2 - 9London, England
Services provided
Secvura, a Cybersecurity company, was launched in 2026. They offers Cybersecurity.
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$1,000+$50 - $99 / hr10 - 49Stourbridge, England
Services provided
Superfast IT is a Cybersecurity company. In Stourbridge, England, the agency specializes in Cybersecurity and IT managed services.
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UndisclosedUndisclosed2 - 9Sunderland, England
Services provided
Launched in 2018, CyberWhite Limited is a Cybersecurity company. The agency offers Cybersecurity and IT managed services.
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UndisclosedUndisclosed10 - 49Belfast, Northern Ireland
Services provided
Small Cybersecurity and IT managed services company Nimbus, is located in Belfast, Northern Ireland. Their services include Cybersecurity and IT managed services.
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UndisclosedUndisclosed10 - 49London, England
Services provided
Founded in 2013, First Response is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.
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UndisclosedUndisclosed50 - 249London, England
Services provided
Established in 2011, Callsign is an artificial intelligence firm. The team provides Artificial Intelligence and Cybersecurity.
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UndisclosedUndisclosed250 - 999Manchester, England
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InKnowTech is an IT managed services company. The team is based in Bengaluru, India and Bengaluru, India, and their services include IT managed services and cloud consulting & SI.
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$5,000+$25 - $49 / hr250 - 999Borehamwood, England
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Raygain Technologies is a cloud consulting & SI company. Located in Borehamwood, England and New Delhi, India, their team focuses on cloud consulting & SI and Cybersecurity.
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$25,000+$50 - $99 / hr10 - 49London, England
Services provided
Established in 2019, DigiTaiken, a small Product Design company, is headquartered in London, England and Bengaluru, India. Their services include Product Design and Cybersecurity.
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List of the Top 15 United Kingdom Cybersecurity Consultants
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UndisclosedUndisclosed50 - 249Farnborough, England
Ability to deliver
38.3/40.019.6/20 Reviews9.8/10 Clients & Experience8.9/10 Market PresenceService focus
50% Cybersecurity50% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Cybersecurity90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% Cybersecurity90% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
39.1/40.019.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Cybersecurity90% Other -
$1,000+$25 - $49 / hr10 - 49Hildenborough, England
Ability to deliver
32.8/40.016.4/20 Reviews8.4/10 Clients & Experience8/10 Market PresenceService focus
55% Cybersecurity45% Other -
$5,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
31.2/40.017/20 Reviews8.8/10 Clients & Experience5.3/10 Market PresenceService focus
100% Cybersecurity -
$5,000+$100 - $149 / hr50 - 249London, England
Ability to deliver
35.6/40.016.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
25% Cybersecurity75% Other -
$1,000+Undisclosed10 - 49London, England
Ability to deliver
31.3/40.018/20 Reviews6.2/10 Clients & Experience7/10 Market PresenceService focus
55% Cybersecurity45% Other -
$1,000+$100 - $149 / hr50 - 249Rochdale, England
Ability to deliver
30.2/40.020/20 Reviews4.4/10 Clients & Experience5.8/10 Market PresenceService focus
65% Cybersecurity35% Other -
$25,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
35.8/40.015.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Cybersecurity90% Other -
UndisclosedUndisclosed50 - 249London, England
Ability to deliver
32.4/40.016.2/20 Reviews6.5/10 Clients & Experience9.7/10 Market PresenceService focus
35% Cybersecurity65% Other -
$10,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
29.9/40.016.2/20 Reviews7.3/10 Clients & Experience6.4/10 Market PresenceService focus
30% Cybersecurity70% Other -
$5,000+Undisclosed1,000 - 9,999London, England
Ability to deliver
29/40.017.2/20 Reviews7.2/10 Clients & Experience4.6/10 Market PresenceService focus
40% Cybersecurity60% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
32.7/40.018.6/20 Reviews6.7/10 Clients & Experience7.4/10 Market PresenceService focus
20% Cybersecurity80% Other -
$5,000+$100 - $149 / hr10 - 49Edinburgh, Scotland
Ability to deliver
35.1/40.016.2/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Cybersecurity85% Other -
$50,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
35.5/40.016/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Cybersecurity90% Other -
$5,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
32.9/40.016.2/20 Reviews9.7/10 Clients & Experience7/10 Market PresenceService focus
10% Cybersecurity90% Other -
$5,000+$100 - $149 / hr50 - 249Scunthorpe, England
Ability to deliver
31.8/40.016.6/20 Reviews9.1/10 Clients & Experience6.1/10 Market PresenceService focus
20% Cybersecurity80% Other -
$1,000+$50 - $99 / hr10 - 49Bradford on Avon, England
Ability to deliver
33.8/40.016.2/20 Reviews8.3/10 Clients & Experience9.4/10 Market PresenceService focus
10% Cybersecurity90% Other -
$25,000+$300+ / hr50 - 249Reigate, England
Ability to deliver
33.5/40.014.8/20 Reviews9.2/10 Clients & Experience9.5/10 Market PresenceService focus
10% Cybersecurity90% Other -
$5,000+$50 - $99 / hr10 - 49Clayton-le-Woods, England
Ability to deliver
33.3/40.017/20 Reviews9.2/10 Clients & Experience7.1/10 Market PresenceService focus
10% Cybersecurity90% Other -
$5,000+$25 - $49 / hr250 - 999Manchester, England
Ability to deliver
30/40.016.2/20 Reviews4.7/10 Clients & Experience9.1/10 Market PresenceService focus
15% Cybersecurity85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Guildford, England
Ability to deliver
30.4/40.015.8/20 Reviews4.7/10 Clients & Experience9.8/10 Market PresenceService focus
10% Cybersecurity90% Other -
UndisclosedUndisclosed10 - 49London, England
Ability to deliver
30/40.016.2/20 Reviews8.5/10 Clients & Experience5.3/10 Market PresenceService focus
20% Cybersecurity80% Other -
$50,000+$200 - $300 / hr1,000 - 9,999Leeds, England
Ability to deliver
29.3/40.014.6/20 Reviews8/10 Clients & Experience6.7/10 Market PresenceService focus
10% Cybersecurity90% Other -
$1,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
28.9/40.016.2/20 Reviews7.6/10 Clients & Experience5.2/10 Market PresenceService focus
25% Cybersecurity75% Other -
$1,000+$50 - $99 / hr2 - 9Middlesbrough, England
Ability to deliver
22.9/40.016.4/20 Reviews1.4/10 Clients & Experience5.2/10 Market PresenceService focus
100% Cybersecurity -
$50,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
30.9/40.016.6/20 Reviews8.5/10 Clients & Experience5.8/10 Market PresenceService focus
10% Cybersecurity90% Other -
$25,000+Undisclosed50 - 249London, England
Ability to deliver
29.7/40.015.6/20 Reviews8/10 Clients & Experience6.1/10 Market PresenceService focus
15% Cybersecurity85% Other -
Undisclosed$50 - $99 / hr50 - 249London, England
Ability to deliver
30.4/40.016/20 Reviews8.9/10 Clients & Experience5.5/10 Market PresenceService focus
10% Cybersecurity90% Other
Latest Cybersecurity Articles
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U.K. Cybersecurity Consulting FAQs
A U.K. cybersecurity company helps you find, fix, and monitor security risks. When hiring these dedicated service providers, clients can expect tailored solutions such as:
- Penetration testing and vulnerability assessments
- Risk and compliance work (Cyber Essentials, ISO 27001, U.K. GDPR)
- Managed detection and response
- Incident response
- Security architecture
- Staff awareness training
Essentially, some focus on one-off assessments while others provide ongoing managed security. Always directly ask the vendor to ensure they cover the range of services you need before enlisting them for your business.
A U.K. provider understands U.K. GDPR and Data Protection Act obligations, NCSC guidance, and certifications like Cyber Essentials that United Kingdom contracts increasingly require. Same-time-zone response also matters for security incidents, where speed is critical, and local providers can meet on-site and sector compliance needs.
Start by defining your project’s specific requirements and objectives to help outline your search criteria. Then, match the firm to your needs, testing, compliance, or managed defense, and look for verified reviews and recognised credentials (such as CREST-accredited testing or relevant ISO experience).
Confirm how they report findings and support remediation, not just identify problems. Shortlist two or three service providers that meet your initial assessment and compare their approach to your risk profile and sector.
Be cautious of firms that sell tools without assessing your actual risk, lack recognised accreditations, deliver findings with no remediation support, or are vague about scope and compliance frameworks. In security, a report that lists problems without helping you fix them offers little real protection.