Top 100 Penetration Testing Companies in the United Kingdom
The Best of November 2024
Looking for a top penetration testing company in the United Kingdom?
Having vulnerable security poses a threat to your organization. In an age where data has become some of the most important assets that your company will have, improving security measures is always a must. Penetration testing aims to solve this problem by simulating real-life security breaches without the risk of an actual cyberattack. Also known as ethical hacking, this process helps identify weak spots within your IT network infrastructure by applying methods that real attackers would use.
A penetration testing company can assist you in determining your security vulnerabilities. Doing so will provide you with the information that you need to fortify your cybersecurity. Hiring the right penetration testing company can give you a significant advantage in safekeeping your virtual assets.
To assist you in your search for a partner, we’ve compiled this list of the top penetration testing services in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Penetration Testing Services
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31
- Undisclosed
- 250 - 999 employees
- Belfast, Northern Ireland
SilverSky is a Cybersecurity company. They are headquartered in Morrisville, North Carolina and Milford, Connecticut. Their team offers Cybersecurity.Read More - Get Started
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32
- Undisclosed
- 1,000 - 9,999 employees
- London, England
Established in 1999, Secureworks is a large Atlanta, Georgia-based Cybersecurity company. Their services include Cybersecurity.Read More -
33
- Undisclosed
- 10 - 49 employees
- Royal Leamington Spa, England
Hacker On Rent is a Cybersecurity company. They were established in 2018, and their services include Cybersecurity.Read More -
34
- Undisclosed
- 50 - 249 employees
- London , England
Penguin Commercial Limited is a London , England-based cloud consulting & SI and Cybersecurity company. Their services include cloud consulting & SI and Cybersecurity.Read MoreIndustries
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35
- $1,000+
- 2 - 9 employees
- London, England
Headquartered in London, England, Cynance is a Cybersecurity company. Established in 2019, the team specializes in Cybersecurity.Read MoreIndustries
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36
- Undisclosed
- 250 - 999 employees
- London, England
CHEQ is a midsize Compliance Consulting company established in 2016. Their team provides Compliance Consulting and Cybersecurity.Read More -
37
- Undisclosed
- 250 - 999 employees
- City of London, England
Netwrix Corporation is a Frisco, Texas-based IT strategy consulting company. Established in 2006, the team specializes in IT strategy consulting and Cybersecurity.Read More -
38
- Undisclosed
- 50 - 249 employees
- Slough, England
Armor is a Richardson, Texas-based Cybersecurity company. They focus on Cybersecurity and were founded in 2009.Read More -
39
- Undisclosed
- 250 - 999 employees
- Manchester, England
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.Read MoreIndustries
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40
- Undisclosed
- 2 - 9 employees
- Nottingham, England
Cybersecurity company Collective Security is based in Nottingham, England. Their services include Cybersecurity and other IT consulting and SI.Read MoreIndustries
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41
- Undisclosed
- 10 - 49 employees
- Belfast, Northern Ireland
Small Cybersecurity and IT managed services company Nimbus, is located in Belfast, Northern Ireland. Their services include Cybersecurity and IT managed services.Read More -
42
- Undisclosed
- 10 - 49 employees
- Belfast, Northern Ireland
ITMS Ireland is a small IT managed services and Cybersecurity company located in Belfast, Northern Ireland. Their services include IT managed services and Cybersecurity.Read More -
43
- Undisclosed
- 10 - 49 employees
- London, England
Headquartered in London, England, Darklabs is a small Cybersecurity company. Their services include Cybersecurity.Read More -
44
- $1,000+
- 50 - 249 employees
- London, England
Midsize Cybersecurity company Clear Infosec, is based in Jersey City, New Jersey and Toronto, Canada. The team focuses on Cybersecurity and IT strategy consulting.Read MoreIndustries
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45
- Undisclosed
- 250 - 999 employees
- London, England
Exiger is an AI company. They offer Artificial Intelligence and Cybersecurity and were launched in 2013.Read More -
46
- Undisclosed
- 250 - 999 employees
- Birmingham, England
Air IT is an IT strategy consulting company established in 2005. Based in Sandiacre, England and Birmingham, England, the team specializes in IT strategy consulting and cloud consulting & SI.Read More -
47
- $10,000+
- 2 - 9 employees
- London, England
Vuntie Limited is a Cybersecurity company launched in 2019. The small team provides Cybersecurity and Custom Software Development.Read MoreIndustries
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48
- Undisclosed
- 2 - 9 employees
- London, England
Launched in 2015, Cobwebs Technologies is a small Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More -
49
- Undisclosed
- 50 - 249 employees
- London, England
Launched in 2011, ThreatSpike Labs is a midsize Cybersecurity company based in London, England. Their team specializes in Cybersecurity.Read More -
50
- Undisclosed
- 50 - 249 employees
- Gloucestershire, England
Ripjar is an AI development company. Established in 2012, the firm is based in Gloucestershire, England. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More -
51
- Undisclosed
- 50 - 249 employees
- Hampshire, England
Established in 2020, PeoplActive is a midsize Lewes, Delaware-based Cybersecurity company. Their services include Cybersecurity.Read MoreClients
- Infosys, TEK Systems, SoftwareONE, Persistent Systems, Orion Innovation
Industries
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52
- Undisclosed
- 50 - 249 employees
- Doncaster, England
DigitalXRAID is a cloud consulting & SI and Cybersecurity company. The Doncaster, England-based company provides cloud consulting & SI and Cybersecurity.Read More -
53
- Undisclosed
- 50 - 249 employees
- Portsmouth, England
Searchlight Cyber is a Cybersecurity company. They are based in Portsmouth, England and have midsize team. They focus on Cybersecurity.Read MoreIndustries
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54
- Undisclosed
- 10 - 49 employees
- City of London, England
ISTARI, a Cybersecurity company, was established in 2020. The team provides Cybersecurity and IT managed services.Read More -
55
- $5,000+
- 10 - 49 employees
- London, England
CovertSwarm is a Cybersecurity company. They are in London, England and Wilmington, Delaware, and their services include Cybersecurity.Read MoreIndustries
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56
- $5,000+
- 10 - 49 employees
- London, England
Lineal is a small Business Consulting company based in London, England and Hong Kong, Hong Kong. Their services include Business Consulting and Cybersecurity.Read MoreIndustries
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57
- Undisclosed
- 10 - 49 employees
- London, England
Launched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.Read MoreIndustries
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58
- Undisclosed
- 2 - 9 employees
- City of London, England
Established in 2013, Cyber Sentinel is a Cybersecurity company. The agency specializes in Cybersecurity, and is small.Read More -
59
- Undisclosed
- 50 - 249 employees
- Cambridge, England
Featurespace is an artificial intelligence company. Launched in 2008, the firm is based in Cambridge, England and London, England. Their services include Artificial Intelligence and Cybersecurity.Read More -
60
- Undisclosed
- 50 - 249 employees
- City of London, England
Cloudscape IT Support London is a midsize IT strategy consulting company in City of London, England and London, England. The team focuses on IT strategy consulting and cloud consulting & SI.Read MoreIndustries
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