Homepage
  • About us

  • Our Leadership Team

  • Careers

  • Awards

  • Environmental, Social, and Governance (ESG)

  • Why is our Holistic Approach important?

  • Cyber and Data Security

  • Technical Security

  • Physical Security

  • Operational Security

  • The Human Element in Security

  • Audio Visual

  • Integrated IT Infrastructure

  • Smart Buildings 

Plan

  • Strategy
  • Policy and Procedures
  • Assessments
  • Project Planning
  • Business Continuity and Resilience
  • BREEAM Hea 08 Security-Needs-Assessments (SNA)
  • SmartScore

Design

  • Risk Mitigation
  • Security Standards Development
  • Requirements Scoping
  • Security Systems
  • Cyber Risk Services
  • Hostile Vehicle Mitigation (HVM)
  • Managing an effective procurement process
  • Audio Visual

Implementation

  • Project Delivery
  • Vendor Management
  • Change Management
  • Performance Management

Intelligence

  • Threat Monitoring and Analysis
  • Physical Penetration Testing

Advisory

  • Security Audit
  • Compliance Monitoring
  • Technology
  • Training
Featured articles
Can the built environment be designed to reduce crime?
blogCan the built environment be designed to reduce crime?The built environment is important, as numerous studies over many years have ...
Read more
How does your organisation decide how much money to spend on security?
blogHow does your organisation decide how much money to spend on security?With an ever-increasing need to justify and account for all forms of business ...
Read more
  • Case studies

  • Blog Posts

Case StudiesContact us
Contact us

Contact us

Fill in the form to get in touch

Contact info
Phone number
+44 (0)203 405 4956
Email
info@cornerstonegrg.co.uk

More of our work that might interest you

Case study

Risk assessment - Protecting a religious, cultural, and national icon

Understanding the security risks for one of the most iconic buildings in the world because of its spiritual and religious significance both nationally and internationally.

Feb 20, 2026

Case Study

New global headquarters - Protecting staff, centralising operations, and securing the organisation’s reputation

A clients staff and operations were spread over a number of sites and wanted to provide a headquarters to centralise and secure their operations.

Feb 20, 2026

Case Study

Detailing the requirements of a Security Operations Centre - Enabling a strategic, portfolio-wide facility

Development of an Operational Brief for a state-of-the-art Security Operations Centre to help manage security for commercial development in central London.

Feb 20, 2026

Footer

CornerStone

Working towards a safer world®

ISO certification
ISO certification
ISO certification
linkedin

Design

  • Risk Mitigation
  • Security Standards Development
  • Requirements Scoping
  • Security Systems
  • Cyber
  • Hostile Vehicle Mitigation
  • Tender Management
  • Audio Visual Systems and Information Technology

Holistic Approach

  • Why is the Holistic Approach Important
  • Cyber
  • Technical
  • Physical
  • Operational
  • The Human Element in Security
  • Audio Visual
  • Integrated IT Infrastructure
  • Smart Buildings

Service Footer

  • Assessments
  • Requirement Scoping
  • Hostile Vehicle Mitigation
  • Threat Monitoring and Analysis
  • Net-Zero Carbon Emissions 

Legal

  • Privacy Policy
  • Cookie Policy
  • Anti-Bribery Policy
Cyber essentials Certified plus badge

© 2026 CornerStone