Top 100 Penetration Testing Companies in the United Kingdom

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.

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.

Cloudscape 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.

Established in 2017, Darkbeam is a cybersecurity company. The firm provides cybersecurity and has a midsize team.

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.

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.

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.

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.

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.

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.

Custom 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.

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.

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.

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.

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.

Cloud consulting & SI and cybersecurity company Vertical Structure is located in Belfast, United Kingdom. The small team offers cloud consulting & SI and cybersecurity and was founded in 2006.

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.

Infosec Partners, a cybersecurity company, is in Whitchurch, United Kingdom. Founded in 2004, the small team specializes in cybersecurity.

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.

Founded in 2018, Trace is a cybersecurity company. Their small team is based in Edinburgh, United Kingdom. Their team offers cybersecurity, IT strategy consulting, custom software development, and BI & big data consulting & SI.

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.

Launched in 2021, CyPro is a cybersecurity company. Their small team is based in City of London, United Kingdom. Their services include cybersecurity.

CloudCoCo Plc, a midsize IT managed services company, is headquartered in Warrington, United Kingdom and Birstall, United Kingdom. They provide IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting and were founded in 2004.

Connect Digital Security is a cybersecurity and IT managed services company. The small City of London, United Kingdom-based team focuses on cybersecurity and IT managed services. The agency was established in 2016.

IT strategy consulting company TipTop IT is based in City of London, United Kingdom. The small firm was founded in 2008. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.

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.

LRQA Nettitude, a cybersecurity company, is in New York, New York and Royal Leamington Spa, United Kingdom. The firm offers cybersecurity, IT managed services, compliance consulting, IT strategy consulting, and more and has a midsize team.The firm was launched in 2003.

Optimising IT, an IT managed services company, was founded in 2013. Their small team is located in Twigworth, United Kingdom and specializes in IT managed services, IT strategy consulting, cybersecurity, cloud consulting & SI, and more.

Micromindercs is a midsize cybersecurity company. They focus on cybersecurity, IT managed services, cloud consulting & SI, and BI & big data consulting & SI and were established in 2018. The firm is headquartered in Stanmore, United Kingdom.

IT strategy consulting company Advantex Network Solutions Limited was launched in 2002. They are based in Gateshead, United Kingdom and Houghton-Le-Spring, United Kingdom and have a midsize team. Their services include IT strategy consulting, cloud consulting & SI, IT managed services, unified communications consulting & SI, and more.