GRC Services
Turn complex requirements into a practical management system that your team can run.
Explore GRC Services ↗
We build security programmes that hold on audit day and every day after it.
Explore our work ↘Practical assurance
DCMS brings adversarial testing, regulatory expertise and operating discipline into one continuous programme. No theatre. No software to sell. Just evidence you can trust.
Meet your security partner ↗
Expert-led.
Evidence-backed.

Our standard
From the first gap assessment to ongoing assurance, every recommendation is grounded in observed evidence, technical reality and your operating context.
About DCMS ↗What we do
One partner to test the controls, build the system and keep it working.
Turn complex requirements into a practical management system that your team can run.
Explore GRC Services ↗Find what documentation cannot see through expert-led penetration testing and reviews.
Explore Security Assurance ↗Executive security leadership, calibrated to your risk, growth and regulatory environment.
Explore Virtual CISO ↗Know where sensitive data lives, who owns it and how it should be protected.
Explore Data Governance ↗
From technical testing to audit-ready evidence, we make security decisions clear and defensible.
Talk to DCMS ↗Sector intelligence
Framework fluency