The highest standards across the security and fire safety industries

Everything about GBSG is underpinned by the highest standards across the security and fire safety industries. We ensure our staff are compliant with and understand all of the right standards and we provide on-going training to ensure we meet all of our needs and obligations. Below we outline some of the externally-audited standards we work to:

NSI – National Security Inspectorate

The NSI is recognised as the leading certification body for the security and fire protection sectors in the United Kingdom. GBSG are approved to the NSI Gold standard, ensuring that we work to the highest industry standards demanded by the Police, Fire and Rescue Services, as well as insurers.

SIA – Security Industry Authority

The SIA is the organisation that is responsible for regulating the private security industry. GBSG holds SIA Approved Contractor Scheme (ACS) status for the provision of security guarding and keyholding. This demonstrates our commitment to customer service and the compulsory licensing of our staff.

BAFE – British Approval for Fire Equipment

BAFE is the independent organisation dedicated to improving standards in fire protection. GBSG are approved to the BAFE adopted SP203-1 scheme, for designing, installing, commissioning, handing over and maintaining of fire detection and alarm systems.

ISO 45001

This standard recognises our commitment to health and safety in the workplace. This includes reducing workplace incidents and the creation of a health and safety culture.

ISO 14001

This accreditation recognises our commitment to environmental management and shows how we minimise any activities that have a harmful effect on the environment.

ISO 9001

This standard is based on a number of quality management principles including strong customer focus, the motivation and implication of top management, the process approach and continual improvement.

BSIA – the British Security Industry Association

The BSIA is the trade association for the professional security industry in the United Kingdom. BSIA members go through rigorous checks before they are admitted to membership, demonstrating their commitment to providing a professional and high-quality system and service.


Safecontractor is a leading third-party accreditation scheme which recognises very high standards in health and safety management amongst United Kingdom contractors.


Being an accredited Constructionline supplier means that our clients can be assured that we meet exacting quality assurance standards, which is aligned to PAS 91.

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