Top 25 Security auditing firms based in the United Kingdom

“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.”

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

“Obrela Security Industries is a global provider of cyber security services.”

“At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…”

“Turnkey Consulting brings together people, protection, and performance to help the world’s leading companies understand and optimize their risk and security landscape.”

“We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.”

“KHIPU Networks is an award winning international Cyber Security Company delivering a wide range of network, wireless and security solutions, technologies and services across…”

“Bulletproof is now part of WorkNest Secure.”

“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.”

“As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.”

“Solutions | Testing | Knowledge Helping You Protect Your Business From Cyber Attackers Your security and compliance partner, delivering trust worldwide Cognisys are your trusted…”

“ITC Secure is an advisory-led cyber security services company.”

“CyberGuard Technologies is the security division of Wavenet.”

“Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…”

“When your business relies on security, compliance and a strong reputation for taking care of your customers, you need a partner that understands your ethos, your challenges and…”

“At Reliance Cyber, we believe in truly partnering with our customers.”

“Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.”

“Dionach by Nomios has over 25 years of expertise in information security, supporting organisations in building resilience against ever‑evolving cyber threats.”

“Modern cyber resilience demands more than isolated controls.”

“Intruder's continuous exposure management platform helps security, IT, and engineering teams stop breaches before they start.”

“MDSec are a UK based consultancy with a passion for information security.”

“Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.”