The NSI Certification Body (CB) provides conformity assessment services that give organizations the assurance that their products and services consistently conforms to predefined International and/or Namibian standard, customer requirements and applicable legislation. The CB offers, Product Certification (Standard Mark) and Management System Certification to the Namibian business community in accordance with the requirements of ISO/IEC 17065 and ISO/IEC 17021-1 respectively.

The value of certification is the degree of public confidence and trust that is established by an impartial and competent assessment by a third party. To inspire confidence, the NSI CB has established an Impartiality Committee to safe guard impartiality, a competent team of auditor to conduct certification activities and a Certification Approvals Committee tasked with the responsibility of making certification decisions.