HSi is an NSI (National Security Inspectorate) Silver accredited company. We are subject to the same technical audit and site inspections as the national companies. The silver accreditation is recognised by all insurance companies as a sign of a quality alarm installation and maintenance provider.
We are recognised installers for the following police forces:
Our engineers are trained to use Cooper/Menvier/Eaton Security products and have completed the relevent training courses. We use CSL dual com dual path signalling as our preferred method of alarm transmission signalling equipment.