Top 100 Penetration Testing Companies in England
The Best of September 2024
Looking for a top penetration testing company in England?
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 England. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best England Penetration Testing Services
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31
- Undisclosed
- 10 - 49 employees
- City of London, England
ISTARI is a cybersecurity company. They are in City of London, United Kingdom; New York, New York and , Singapore and have a small team. The company offers cybersecurity and IT managed services.Read More - Get Started
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32
- $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 MoreIndustries
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33
- $5,000+
- 10 - 49 employees
- London, England
Lineal is a small business consulting company. Based in London, United Kingdom and Hong Kong, Hong Kong, the firm was founded in 2009. Their services include business consulting and cybersecurity.Read MoreIndustries
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34
- Undisclosed
- 10 - 49 employees
- London, England
Data analytics company Hazy is headquartered in London, United Kingdom. The small team offers BI & big data consulting & SI, Artificial Intelligence, cybersecurity, and business consulting. The firm was established in 2017.Read MoreIndustries
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35
- Undisclosed
- 50 - 249 employees
- Cambridge, England
Featurespace is an AI development company. Launched in 2008, the midsize company is headquartered in Cambridge, United Kingdom and London, United Kingdom. Their services include Artificial Intelligence and cybersecurity.Read More -
36
- Undisclosed
- 50 - 249 employees
- City of London, England
Read MoreCloudscape IT Support London is a IT managed services company. The City of London, United Kingdom-based company was founded in 1985. The midsize team offers IT managed services, IT strategy consulting, and cybersecurity.
Industries
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37
- Undisclosed
- 50 - 249 employees
- London , England
Established in 2017, Darkbeam is a cybersecurity company. The firm provides cybersecurity and has a midsize team.Read More -
38
- 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 MoreIndustries
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39
- Undisclosed
- 250 - 999 employees
- Lincoln, England
Big data company GCI was launched in 2001. They are located in Lincoln, United Kingdom; Calder Grove, United Kingdom; Salford, United Kingdom and Derby, United Kingdom and have a midsize team. GCI offers BI & big data consulting & SI, cloud consulting & SI, unified communications consulting & SI, IT managed services, and more.Read MoreIndustries
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40
- $1,000+
- 10 - 49 employees
- Stourbridge, England
Cybersecurity company Superfast IT is in Stourbridge, United Kingdom. The small firm was founded in 2002. Their team provides cybersecurity, IT managed services, IT strategy consulting, and cloud consulting & SI.Read MoreIndustries
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41
- Undisclosed
- 10 - 49 employees
- City of London, England
Neos-IT is a small IT strategy consulting company. Founded in 2001, the team provides IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services. The firm is based in City of London, United Kingdom.Read More -
42
- Undisclosed
- 10 - 49 employees
- City of London, England
Based in City of London, United Kingdom, Portman Tech is a IT strategy consulting company. They focus on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services and were launched in 2004.Read More -
43
- Undisclosed
- 10 - 49 employees
- London, England
Cybersecurity company Orpheus Cyber was founded in 2017. They are located in London, United Kingdom and McLean, Virginia and have a small team. Their services include cybersecurity.Read MoreIndustries
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44
- $1,000+
- 10 - 49 employees
- Adderbury, England
Read MoreCustom software development company ST Engineering Antycip was founded in 1996. Their small team is located in Argenteuil, France; Saronno, Italy and Adderbury, United Kingdom. ST Engineering Antycip offers custom software development, AR/VR development, and cybersecurity.
Industries
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45
- Undisclosed
- 50 - 249 employees
- London, England
Launched in 1999, Bovill is a business consulting company. They are located in London, United Kingdom; Singapore, Singapore; Hong Kong, Hong Kong and New York, New York and have a midsize team. Their services include business consulting, blockchain, and cybersecurity.Read More -
46
- Undisclosed
- 50 - 249 employees
- Aylesbury, England
Red Helix is a cybersecurity company based in Aylesbury, United Kingdom. The midsize team specializes in cybersecurity, IT managed services, and application testing. The agency was established in 1984.Read MoreIndustries
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47
- $10,000+
- 50 - 249 employees
- Wallsend, England
Read MoreForfusion, a midsize IT managed services company, is headquartered in Wallsend, United Kingdom. Their services include IT managed services, IT strategy consulting, cybersecurity, cloud consulting & SI, and more.
Industries
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48
- Undisclosed
- 2 - 9 employees
- Sunderland, England
CyberWhite Limited is a cybersecurity company. Their small team is headquartered in Sunderland, United Kingdom and provides cybersecurity, IT managed services, other IT consulting and SI, and IT strategy consulting. The agency was established in 2018.Read More -
49
- $1,000+
- 2 - 9 employees
- Salford, England
Headquartered in Salford, United Kingdom, Defendza is a cybersecurity company. The small firm was launched in 2016. Their team offers cybersecurity and IT strategy consulting.Read More -
50
- Undisclosed
- 2 - 9 employees
- Havant, England
CYBRID, a IT strategy consulting company, was founded in 2017. They are based in Havant, United Kingdom and City of London, United Kingdom and have a small team. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.Read More -
51
- Undisclosed
- 2 - 9 employees
- London, England
HookPhish is a small cybersecurity company launched in 2024. Their services include cybersecurity. The agency is headquartered in London, United Kingdom.Read More -
52
- Undisclosed
- 10 - 49 employees
- Whitchurch, England
Infosec Partners, a cybersecurity company, is in Whitchurch, United Kingdom. Founded in 2004, the small team specializes in cybersecurity.Read MoreIndustries
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53
- Undisclosed
- 10 - 49 employees
- London, England
In London, United Kingdom, Phoenix Security is a small cybersecurity company. Founded in 2021, the team offers cybersecurity.Read More -
54
- Undisclosed
- 50 - 249 employees
- Farnborough, England
Read MoreForesite is a cybersecurity company. They are headquartered in Overland Park, Kansas and have a small team. Their services include cybersecurity.
Industries
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55
- Undisclosed
- 250 - 999 employees
- London, England
Redscan is a midsize cloud consulting & SI company. They specialize in cloud consulting & SI, cybersecurity, and other IT consulting and SI and were established in 2015. The company is located in London, United Kingdom.Read MoreIndustries
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56
- Undisclosed
- 250 - 999 employees
- City of London, England
Adarma Security, a cybersecurity company, is located in Edinburgh, United Kingdom and City of London, United Kingdom. They focus on cybersecurity, BI & big data consulting & SI, and business valuation services and were launched in 2009.Read More -
57
- $5,000+
- 2 - 9 employees
- Jarrow, England
Launched in 2020, Vanguard Cyber Security Ltd is a cybersecurity company. They are in Jarrow, United Kingdom and have a small team. The agency provides cybersecurity.Read MoreIndustries
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58
- Undisclosed
- 2 - 9 employees
- City of London, England
Launched in 2021, CyPro is a cybersecurity company. Their small team is based in City of London, United Kingdom. Their services include cybersecurity.Read More -
59
- Undisclosed
- 2 - 9 employees
- Horsham, England
PocketSIEM is a cybersecurity company launched in 2019. Their small team is based in Horsham, United Kingdom. The firm specializes in cybersecurity.Read More -
60
- $5,000+
- 10 - 49 employees
- Bracknell, England
Read MoreDeployflow 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.
Clients
- TCN
Industries
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