Sentrium

Sentrium is a CREST-approved penetration testing and cyber security advisory company based in Cheltenham, Gloucestershire. Founded in 2018 by Adam King and Tim Reed, the company specialises in identifying vulnerabilities and building resilient security strategies for UK organisations. Their services include penetration testing across networks, web applications, mobile apps, cloud platforms and IoT devices, alongside vulnerability assessments, red team exercises and AI security testing.

Beyond penetration testing, Sentrium offers cyber security consultancy including Virtual CISO services, ISO 27001 implementation support, GDPR and data protection compliance guidance, and Cyber Essentials certification assessment. The team includes experienced security practitioners who work with clients across manufacturing, financial services, telecommunications, software development and other sectors. Operating from their Cheltenham office, they serve organisations seeking both tactical security assessments and strategic cyber advisory to manage evolving risks.