With over 40 years of focused certification experience, NSI has gained a reputation as the leading sector specialist certification body.  Specifiers, procurers, consumers and other key stakeholders have long since recognised and trusted the repute and robust nature of NSI certification.

The rigour with which certification bodies carry out their audits should be considered when you choose your contractor. NSI audits are renowned as being professional, thorough and the toughest in the industry.  This means that NSI approved companies have fully deserved the use of our logo and can provide you with the peace of mind your require.