Call Sales Free: 0800 9882434
Business Security System Installation and Support.
Call Sales Free: 0800 9882434
Call To Action

HOW CAN WE HELP?Enter your details and we’ll be in touch.

AlertSystems will always respect your privacy.
More information about our privacy policy.

NSI Gold

NS Gold

The National Security Inspectorate (NSI) is recognised as the leading certification body for the security protection sector in the UK. For over 40 years, they have helped protect businesses by providing robust, high-quality audits of business security system providers.

Businesses who select an NSI approved company have the reassurance that their chosen contractors will work to the highest industry standards demanded by the Police, Fire and Rescue Services and the insurance industry.

The Gold Standard

The Gold standard holds the greatest value across the industry and is held in high regard by the police, fire and rescue services and insurers. The Gold standard incorporates ISO 9001 Quality Assurance Certification with product and service certification.

Our current certificate can be viewed here.

What does NSI mean to our Customers?

Staff Vetting

NSI approved companies are required to vetting of staff to British Standard BS7858

Insurance and Financial Standing

NSI check a company’s business insurance and ensures they are of good financial standing

Business Premises

NSI audits ensure approved companies operate from premises that are fit for purpose


NSI audit a company’s ability to provide customer support

Industry Best Practice

NSI approval confirms that approved companies comply with industry standards and codes of practice