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Verifying authorities 

We appoint verifying authorities to verify physical quantities of an artefact and reference standards of measurement.

Verifying authorities provide legal traceability to reference standards of measurement. This supports our national measurement system.

Displaying 1 - 35 of 35
Title Address Expiry date Physical quantities State/territory
Surveyor-General of NSW DCS Spatial Services [PDF 246.33 KB] Level 14, McKell Building, 2-24 Rawson Place Haymarket, NSW 2000 length NSW
PLUS ES [PDF 246.05 KB] 48-50 Holker Street Silverwater NSW 2128 energy, frequency, power, time NSW
Queensland Department of Transport and Main Roads [PDF 401.28 KB] Floor 19, 313 Adelaide Street Brisbane QLD 4000 length QLD
Department of Resources (QLD) [PDF 428.37 KB] Level 17, 275 George Street Brisbane QLD 4000 length QLD
CI Scientific Pty Limited [PDF 392.06 KB] Unit 1, 9 Bearing Road Seven Hills NSW 2147 density, mass NSW
Geoscience Australia [PDF 400.75 KB] Corner Jerrabomberra Avenue and Hindmarsh Drive Symonston, ACT 2609 position ACT
Metering and Measurement - NSW Pty Ltd [PDF 403.3 KB] 44 Chivers Road Somersby NSW 2250 flow rate, volume NSW
SGS Australia Pty Ltd [PDF 221.28 KB] 10/585 Blackburn Road Notting Hill VIC 3168 frequency, speed VIC
Landis & Gyr Pty Ltd [PDF 403.47 KB] 50 Cyanamid Street Laverton North VIC 3026 energy VIC
Landis & Gyr Pty. Ltd. [PDF 392.62 KB] 50 Cyanamid Street Laverton North, VIC 3026
flow rate VIC
W W Wedderburn Pty Ltd [PDF 179.81 KB] 101 Williamson Road Ingleburn NSW 2565 mass NSW
Keysight Technologies Australia Pty Ltd [PDF 259.65 KB] 745 Springvale Road Mulgrave VIC 3170 density, flow rate, frequency, length, mass, temperature, volume VIC
National Weighing & Instruments Pty. Limited [PDF 233.93 KB] 1/88 Magowar Road, Girraween NSW 2145 mass, volume NSW
National Weighing & Instruments Pty. Limited [PDF 233.93 KB] 2D/919 Nudgee Road, Banyo QLD 4014 mass, volume QLD
National Weighing & Instruments Pty. Limited [PDF 233.93 KB] 11/5 Agosta Drive, Laverton North VIC 3026 mass, volume VIC
National Weighing & Instruments Pty. Limited [PDF 233.93 KB] 3A Wilford Avenue, Underdale SA 5032 mass, volume SA
Precision Calibration Services [PDF 251.47 KB] Unit 11, 21 – 23 Daniel Street Wetherill Park NSW 2164 mass NSW
Vipac Engineers and Scientists Limited [PDF 231.81 KB] 279 Normanby Road Port Melbourne VIC 3207 flow rate, pressure, volume VIC
Mettler-Toledo Limited [PDF 250.54 KB] Level 1, 191 Salmon Street, Port Melbourne VIC 3207 mass VIC
Mettler-Toledo Limited [PDF 250.54 KB] Level 7, 91 Phillip Street, Parramatta NSW 2150 mass NSW
Mettler-Toledo Limited [PDF 250.54 KB] Level 1, 470 Saint Pauls Terrace, Fortitude Valley QLD 4006 mass QLD
Mettler-Toledo Limited [PDF 250.54 KB] 29 Walsh Street, Thebarton SA 5031 mass SA
Mettler-Toledo Limited [PDF 250.54 KB] 91 Holder Way, Malaga WA 6090 mass WA
Energy Queensland Limited [PDF 286.73 KB] 524 Bilsen Road Geebung QLD 4034 electric current, electric resistance, energy, frequency, phase angle, potential difference and electromotive force, power, temperature, time QLD
LPG Measurement Technology Pty Ltd [PDF 217.21 KB] 85A Canterbury Road Kilsyth VIC 3137 volume VIC
Newcastle Weighing Services Pty Ltd [PDF 219.95 KB] 5C Murray Dwyer Circuit Mayfield West, NSW 2304 mass NSW
Australian Pressure Laboratory Pty Ltd [PDF 262.67 KB] Unit 9, 39-45 Susan Street Eltham VIC 3095 mass, pressure VIC
W.W. Wedderburn Pty Ltd [PDF 261.56 KB] Melbourne Laboratory 73 Latitude Boulevard, Thomastown VIC 3074 mass VIC
N.G. Brown & Associates Pty Ltd [PDF 222.87 KB] 31 Jellico Drive, Scoresby VIC 3179 mass, volume VIC
W.W. Wedderburn Pty. Limited [PDF 248.94 KB] 20 Resource Way Malaga WA 6090 mass WA
W.W. Wedderburn Pty. Limited [PDF 260.63 KB] 47 Gardens Drive Willawong QLD 4110 mass QLD
Surveyor-General Victoria [PDF 247.27 KB] Level 11, 2 Lonsdale Street Melbourne VIC 3000 length VIC
Advanced Weighing Technology NT Pty Ltd [PDF 258.75 KB] 4/8 Menmuir St WINNELLIE, NT 0820
mass NT
EDMI Gas Pty Ltd [PDF 251.05 KB] 7 Fowler Road Dandenong South VIC 3175 flow rate VIC
Surveyor-General Environment Planning and Sustainable Development Directorate – ACT Government [PDF 247.05 KB] 480 Northbourne Ave, Dickson ACT 2602 length ACT

Apply to become a verifying authority

  1. Read the policy and procedures: appointment of verifying authorities for reference standards of measurement.
  2. Complete the application form for appointment as a verifying authority of reference standards of measurement.
  3. Email your application form to
  4. Pay a fee of $4214 (GST exempt) to apply.

We generally appoint verifying authorities for three years. 

Request a verification from a verifying authority

Use these templates to provide details to a verifying authority:

  • form for verification of a reference standard of measurement
  • form for verification of a physical quantity of an artefact.

Issuing certificates

These certificates provide proof of verification. Verifying authorities can complete these templates or use them as a basis for their own certificates.

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