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Weights and Measures Office

Authorised Verifiers

Find out how qualified companies can verify and stamp trade instruments under the Authorised Verifier Scheme, and access application forms and key resources.

Last updated 23 June 2026

For Authorised Verifiers

Under the Weights and Measures Act, qualified companies are allowed to carry out the verification and stamping of weighing and measuring instruments for trade use under the Weights and Measures Office's Authorised Verifier Scheme.

Authorised Verifiers must be certified to ISO 9001 Quality Management Systems or accredited to ISO/IEC 17025 General Requirements for Competence of Testing and Calibration Laboratories.

For more information on the AV Scheme, please refer to the links below.