The National Security Inspectorate is thespecialist approvals and certification bodythat inspectscompanies providing home security, business security and fire safety services. Choosing an NSI approved company ensures that the contractor you select works to the highest recognised industry standards as demanded by the Police, Fire and Rescue Services and insurance industry.

As a UKAS accredited certification body, NSI approves companiesproviding quality solutions across thesecurity and firesectors including:

  • electronic security systems-intruder alarms / burglar alarms, cctv, access control
  • fire detection and alarm systems
  • manned security / keyholding service


Local authority health and safety and procurement professionals, with the support of the Health and Safety Executive, have developed the Contractor Health and Safety assessment scheme (CHAS). It provides information about the health and safety aspect of their application. Clients from both the public and private sectors can be assured that companies accredited by CHAS meet acceptable standards of health and safety compliance.


 Construction Line

Owned and endorsed by the Department for Business, Enterprise & Regulatory Reform (formerly the DTI), Constructionline is the UK's register of pre-qualified local and national construction and construction-related contractors and consultants.

Using a Constructionline registered company means you no longer need to repeatedly fill in standard pre-qualification forms for every tender.

In terms of efficiency, time and cost saving and best practice, Constructionline is proven to deliver for public and private sector organisations alike. The service is recommended by the OGC Common Minimum Standards and The Local Government Task Force.

Unlike self-certification services, Constructionline monitors all its suppliers’ details on a daily basis, saving you the hassle of chasing PQQ documents.