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NSI operates a 2 tier approach to approvals. This allows companies to grow and develop their business whilst consistently developing the NSI reassurance to their customers. Companies can enter at either level.

NSI Silver

NSI Silver is designed for ‘Product Certification’ Refers to the ‘Product Certification’ against sector specific standards, e.g. BS7858, BS8243, BS 7499 etc

Benefits of being NSI Approved

NSI approval is only awarded and retained by those companies able to consistently meet our exacting standards. Standards are periodically updated to accommodate modern technology and working practices. Appointing an NSI approved company provides the peace of mind that your contractor is maintaining its competency in line with the latest practice.

NSI has provided certification services for over 40 years and is widely recognised by consumers, specifiers, police and insurers as the badge they can trust.

All NSI Approved Companies demonstrate they:

meet the technical requirements of the appropriate scheme(s)

meet all relevant British Standards

provide a high level of staff training and supervision to industry best practice standards

are comprehensively insured to protect customers and staff

are inspected regularly by NSI auditors to check technical competence with on-site visits and head office management administration

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