Company Performance Metrics
Neil Stephenson: Investor and chairPast Role: Onyx Group, Chief Executive Officer
Precursor Security is a triple CREST-accredited UK cyber security firm headquartered in Leeds, with a 24/7 Security Operations Centre in Newcastle and offices in London and Edinburgh. The company delivers offensive security services including penetration testing, red team operations, social engineering, and cloud security assessments;
defensive security services including managed detection and response (MDR), SOC-as-a-service, threat hunting, and incident response with digital forensics; and compliance services covering Cyber Essentials certification (as an IASME Certification Body), ISO 27001 consultancy, PCI DSS compliance testing, and GDPR data protection.
Precursor holds CREST accreditations for penetration testing, vulnerability assessment, and SOC operations, is ISO 27001 certified, Cyber Essentials Plus certified, and is an approved Crown Commercial Service supplier on the G-Cloud framework.
Founded in 2018, the firm serves clients across a wide array of services including financial services, healthcare, government, energy, education, legal, retail, and property sectors.
