Regulated & Approved by the Security Industry Authority
Defence Security Solutions holds the SIA Approved Contractor Scheme (ACS) accreditation — the UK’s highest standard of recognition for private security companies. Awarded by the Security Industry Authority, ACS status confirms that our operations, management systems, vetting procedures, and service delivery all meet the most rigorous standards set for the security industry.
Independently Verified for Health & Safety Excellence
We are proud to hold SafeContractor accreditation, awarded by Alcumus — one of the UK’s most trusted health and safety compliance bodies with over 28,000 member contractors. This independent certification confirms that Defence Security Solutions meets recognised UK health and safety standards, giving our clients full confidence that every officer we deploy operates within a safe, compliant, and professionally managed framework.
Pre-Qualified & Verified for UK Procurement
Defence Security Solutions holds Constructionline Silver membership — the UK’s leading procurement and supply chain accreditation used by government bodies, local authorities, and major contractors. Silver status confirms we meet the PAS 91 pre-qualification standard, with independently verified health and safety, financial standing, insurance, and corporate compliance — making the onboarding process faster and more transparent for every client we work with.
UK’s Leading Health & Safety Assessment Scheme
CHAS (Contractors Health and Safety Assessment Scheme) accreditation demonstrates that Defence Security Solutions has passed an independent, expert assessment of our health and safety policies, procedures, risk assessments, and training records. As a founding member of the SSIP (Safety Schemes in Procurement) framework, CHAS accreditation is recognised across the UK’s largest client networks — confirming we operate to the highest standards of workplace safety and contractor compliance.
Registered Data Controller — UK GDPR Compliant
Defence Security Solutions is a registered data controller with the Information Commissioner’s Office (ICO), the UK’s independent authority for data protection and privacy rights. Our ICO registration confirms full compliance with the UK GDPR and Data Protection Act 2018 — ensuring that all personal data relating to our clients, staff, and the public is handled lawfully, securely, and transparently at all times.
Nationally Recognised Standards for Security Dog Handling
Our dog handler teams are NASDU certified and trained in full compliance with BS 8517-1:2016 — the nationally recognised standard for general purpose security dogs. NASDU is recognised by the SIA, BSI, Skills for Security, and the Home Office, ensuring every canine unit we deploy meets the highest standards for handler competency, dog welfare, and operational safety across all client sites.
Globally Recognised Supply Chain & Compliance Accreditation
As an Achilles accredited supplier, Defence Security Solutions has been independently assessed across health and safety, quality management, financial standing, and environmental responsibility. Achilles is trusted by the world’s largest organisations across construction, utilities, and infrastructure — confirming we meet the rigorous pre-qualification standards required to operate within major supply chains across the UK and beyond.
Independently Verified Commitment to Social Value
Defence Security Solutions holds the Social Value Quality Mark — the UK’s national standard for organisations that deliver genuine, measurable social value. This independently audited accreditation recognises our commitment to positive community impact, inclusive employment, ethical supply chain management, and environmental responsibility — going beyond contract obligations to create lasting value for the people and communities we serve.
UK Government Recognised Inclusive Employer
Defence Security Solutions is a Disability Confident Committed employer under the UK Government’s Department for Work and Pensions scheme. We guarantee interviews to disabled applicants who meet the minimum role criteria, actively remove barriers to employment for people with disabilities and long-term health conditions, and ensure every member of our team has the opportunity to thrive in a fair and inclusive workplace.
