Our Standards

The NSI is recognised as the leading certification body for the security and fire protection sectors in the UK. 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.

Click here to view a copy of our Certificate of Approval for NSI NACOSS Gold Scheme

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.

Click here to view a copy of our certificate of approval for the BAFE adopted scheme SP203-1

The BSIA is the trade association for the professional security industry in the UK of which GBSG are a member. BSIA members go through rigorous checks before they are admitted into 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 & safety management amongst UK contractors.
Click here to view a copy of our Safecontractor Accreditation Certificate.

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.
Click here to view a copy of our Constructionline Accreditation Certificate.

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