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Bulletproof

CREST-accredited UK cybersecurity and compliance provider offering penetration testing, managed security services, and regulatory consultancy to over 2,000 customers from its Stevenage headquarters.

Featured in: Best CREST Pen Testing Companies

Founded
2016
Team Size
51-200
Geography
Global
Markets
UK, Europe, Global
Last verified: Apr 2026

Key facts

  • Founded in 2016.
  • Headquartered in Stevenage, United Kingdom.
  • Team of 51-200 security professionals.
  • Holds CREST, ISO 27001, Cyber Essentials, Cyber Essentials Plus, NCSC Assured, and OSCP Employer accreditation.
  • Delivers 11 penetration testing services.
  • Operates globally, with delivery across the UK and Europe.
  • Specialises in Adversary Simulation, Payment Security, and Financial Services Security.
  • Compliance expertise across ISO 27001, SOC 2, PCI DSS, GDPR, and Cyber Essentials.

About

Bulletproof is a well-established UK cybersecurity and compliance services provider headquartered in Stevenage, Hertfordshire. Originally incorporated in 2005 and relaunched as a dedicated cybersecurity firm in 2016, Bulletproof has grown to serve over 2,000 customers worldwide with a team of more than 100 employees, including over 60 accredited penetration testers and consultants. The company delivers CREST-accredited penetration testing across web applications, networks, cloud environments, mobile applications, and wireless infrastructure, alongside red teaming, social engineering assessments, and vulnerability scanning services.

Methodologies

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