Schemes
NSI provides the toughest inspection services to ensure that all
its approved companies continuously meet the highest standards.

Approved companies are recognised for their different stages of
development through three tiers of NSI approval: Gold, Silver and
Bronze.
The Gold schemes are the most esteemed and provide a target for
ambitious companies to achieve, whilst Silver provides smaller and
younger businesses with an opportunity to receive an appropriate
level of approval.
Bronze is an entry-level scheme for NSI Guarding companies.
NSI's schemes cover a wide range of areas within the security
and fire protection services:
Security Systems
- intruder alarms
- CCTV
- access control
Manned Security
- close protection
- covert investigation and surveillance services
- door supervision
- event stewarding and crowd safety
- guarding and specialised security services
- immigration detention centres
- keyholding and response services
- management and operation of CCTV monitoring
- private prisons, remand homes, prison escort and court
services
- security screening
- technical surveillance counter measures
Cash Services
- secure transportation of cash and valuables
- safe deposit centres
Fire Detection & Alarm
Systems
- design
- installation
- commissioning and handover
- maintenance
Contract Maintenance of Portable
Fire Extinguishers
Fixed Gaseous Fire Suppression
Systems
Alarm Receiving Centres (ARCs)
Contract Quality Marque (CQM)