NSI is the UK’s leading UKAS accredited certification body within the security systems, guarding and fire safety sectors. We are a not-for-profit organisation helping to protect homeowners, businesses and the general public through rigorous independent auditing of more than 1800 security and safety providers throughout the UK.
All NSI approved companies are regularly audited by our in-house, highly trained team of auditors to British and International standards, NSI Codes of Practice and certification schemes developed by Industry Bodies and Associations.
Experts in Security & Fire Safety
As a buyer you want to know your security and fire safety provider is reputable and trustworthy with the expertise to translate your needs into a solution that’s right for you.
You can rest assured every company awarded NSI approval meets the relevant industry standards for the security and fire safety services they provide – plus every company operates a Quality Management System or business operating system and its board of directors has been screened by NSI, to give you peace of mind that the service you experience will be both professional and secure.
Technical Expertise and Quality
NSI approval is a highly respected and trusted hallmark in the security and fire sectors, demonstrating technical expertise and a reassuring quality of service. Companies holding approval provide a range of services from intruder alarm and CCTV system installations to mobile / static guards and key-holding, fire alarms and life safety fire risk assessment.
- Technically Competent and Experienced – working to relevant standards and NSI codes of practice, with managers having relevant technical and engineering experience
- Professional – in the case of Gold approval operating a Quality Management System to ISO 9001
- Trusted and reputable – directors have the relevant business experience and all staff with access to sensitive information are security screened*.
Most insurers recognise NSI approved companies and the systems they install. Your insurer may ask for a copy of the NSI Certificate of Compliance as proof that installation work was conducted by an NSI approved company.
Check with your insurer whether a security alarm system installed and maintained by an NSI approved company. They may give you a discount on your insurance premium.
NSI Guarding Gold
In choosing an NSI Guarding Gold approved company your provider will be progressive in its use of Quality Management Systems and have the relevant knowledge of standards to drive continual improvement in performance, efficiency and customer service.
Find an NSI approved company or check your existing company is genuinely approved now in the NSI approved company finder
*Except fire specialist companies operating exclusively to BAFE schemes.