Skip to main content
CMS Group Ltd
Services
Capabilities
Industries
Platform
Resource Hub
About
ContactTake the maturity audit

Loading...

CMS Group Ltd

Technology Management Consultancy. Technology, run with intent. Since 1990.

0203 404 4700hello@cms-group.net
United Kingdom

Strategic Technology Insights

Monthly analysis for technology leaders. Zero spam, unsubscribe anytime.

Services

  • Quick quote
  • Operate
  • Secure
  • Modernise
  • Transform
  • Capabilities
  • All Services

Locations

  • London
  • Manchester
  • Birmingham
  • Leeds
  • Bristol
  • Edinburgh
  • Scotland
  • North West

Industries

  • Hospitality
  • Legal
  • Finance
  • Healthcare
  • Manufacturing
  • Other sectors?

Operating model

  • StrategyOS
  • CMS Strata
  • Tools
  • Maturity Audit
  • Risk Calculator

Company

  • About CMS
  • Why CMS
  • Resource Hub
  • Guides
  • Careers
  • Refer a peer
  • Community
  • Contact

ISO 27001

Certified

ISO 9001

Certified

Cyber Essentials Plus

Accredited

Lyra Technology Group

Member

© 2026 CMS Group Ltd. All rights reserved.

Registered in England and Wales · Company no. 02513535

Privacy PolicyTerms of ServiceCookie Policy
  1. Services
  2. /
  3. Secure
  4. /
  5. Penetration Testing & Audits

Secure

Penetration Testing & Audits

Test your defences before attackers do

Professional penetration testing and security audits including Cyber Essentials certification. We find the gaps in your defences and help you close them.

Compliance & GovernanceCyber Resilience
Discuss Penetration Testing & AuditsAssess strategic maturity

Available in:

LondonManchesterBirminghamLeedsBristolEdinburgh+ nationwide

CE/CE+

Certification support

Comprehensive

Testing scope

Actionable

Remediation guidance

Challenges We Solve

  • Unknown security weaknesses
  • Cyber Essentials certification required
  • Compliance audit preparation
  • Third-party assurance needed
  • No independent security validation

Our Approach

Our security testing services range from Cyber Essentials assessments to comprehensive penetration testing. We provide clear, actionable findings with prioritised remediation guidance.

What You Get

  • Dedicated support team
  • Full visibility via CMS Strata
  • Regular service reviews
  • Proactive recommendations

Also in this area

Specific Solutions

Within Penetration Testing & Audits, we offer the following solutions calibrated to different operating contexts.

Cyber Essentials Certification

Government-backed security certification

Complete support for achieving Cyber Essentials and Cyber Essentials Plus certification, from assessment through remediation to certification.

Key Features

  • Gap assessment — Identify what needs fixing
  • Remediation support — Close the gaps
  • Certification submission — Guided application process
  • CE+ testing — Technical verification
  • Annual renewal — Ongoing certification support

Ideal For

All UK organisations—increasingly required for public sector work and supply chains.

Project-based
Learn more

External Penetration Test

Test your internet-facing defences

Professional penetration testing of your external attack surface by certified security testers.

Key Features

  • Reconnaissance — Attack surface mapping
  • Vulnerability identification — Technical weaknesses found
  • Exploitation attempts — Real-world attack simulation
  • Detailed reporting — Findings and recommendations
  • Remediation guidance — How to fix issues

Ideal For

Organisations requiring independent validation of external security.

Project-based
Learn more

See How We've Helped

Discover how we've delivered results for organisations like yours across our service areas.

View case studies

See how we help your industry

FinanceHealthcareHospitalityLegalManufacturing

Related Service Areas

Security Operations (SOC/SIEM)

24/7 threat monitoring and incident response

Vulnerability Management

Find weaknesses before attackers do

Endpoint Protection

Advanced threat protection for every device

Ready to run with intent?

Assess your penetration testing & audits maturity in 2 minutes, then align priorities and governance actions with a specialist.

Assess Penetration Testing & Audits maturitySpeak to a SpecialistCalculate Risk Exposure