| Member Company | Contact Details |
| 360 Environmental Pty Ltd | 10 Bermondsey Street West Leederville WA 6007 T 08 9388 8360 F 08 9381 2360 www.360environmental.com |
| Advisian | Level 4, Signet House, 600 Murray St Perth, WA 6000 T 08 6311 6553 www.advisian.com |
| AECOM | 181 Adelaide Terrace, East Perth, WA 6004 T 08 6230 5600 www.aecom.com.au |
| Arcadis | Level 1, 675 Murray Street West Perth WA 6005 T 08 9213 6700 www.arcadis.com.au |
| Aurecon | Level 5, 863 Hay St Perth, WA 6000 T 08 6145 9300 www.aurecongroup.com |
| Australian Environmental Auditors | Unit 7, 80 Colin St West Perth, WA 6005 T 08 6268 0181 www.environmental-auditors.com.au |
| Cardno BSD | 11 Harvest Tce West Perth, WA 6005 T 08 9273 3888 www.cardno.com |
| Coffey Environments Pty Ltd | Level 1, Bishops See 235 St Georges Terrace Perth, WA, 6000 T 08 6218 2100 www.coffey.com |
| Douglas Partners Pty Ltd | 36 O'Malley St Osborne Park, WA 6017 T 08 9204 3511 F 08 9204 3522 www.douglaspartners.com.au |
| GreenCap | Level 1, 503 Murray Street Perth, WA 6000 T 08 9214 6100 F 08 9226 4109 www.env.net.au |
| Environmental Resources Management Australia Pty Ltd (ERM) |
Level 18, 140 St Georges Tce Perth, WA 6000 T 08 6464 1600 www.erm.com |
| GHD Pty Ltd | 999 Hay Street Perth, WA 6000 T 08 6222 8222 F 08 6222 8555 www.ghd.com.au |
| Golder Associates Pty Ltd | 1 Havelock St West Perth, WA 6005 T 08 9213 7600 F 08 9213 7611 www.golder.com |
| HydroSolutions Pty Ltd | 38 Sheldrake Way Willeton, WA 6155 T 08 9457 5448 www.hydrosolutions.com.au |
| Jacobs | Level 8, Durack Centre 263 Adelaide Tce Perth, WA 6000 T 08 9469 4463 www.jacobs.com |
| JBS&G | Level 1, 50 Subiaco Square Road Subiaco, WA 6008 T 08 9380 3100 www.jbsg.com.au |
| Prensa | Level 7, 3 Hasler Road Osbore Park, WA 6017 T 08 9240 5010 www.prensa.com.au |
| Ramboll | Level 7, 41 St Georges Terrace, Perth, WA 6000 T 08 9225 5199 https://ramboll.com/ |
| RPS | Level 2, 27-31 Troode St West Perth, WA 6005 T 08 9211 1111 F 08 9211 1122 www.rpsgroup.com.au |
| Senversa | Level 17, 140 St Georges Tce Perth, WA 6000 T 08 6324 0200 www.senversa.com.au |
| Strategen | Level 1, 50 Subiaco Square Road Subiaco, WA 6008 T 08 9380 3100 www.strategen.com.au |
| Western Environmental |
Level 3, 25 Prowse Street West Perth, WA 6005 T 08 6162 8980 www.westenv.com.au |
| WSP Parsons Brinckerhoff | Level 5, 503 Murray St Perth, WA 6000 T 08 9216 3621 www.wsp.com.au |
To obtain details of WA Accredited Contaminated Sites Auditors, refer to https://www.der.wa.gov.au/your-environment/contaminated-sites/53-contaminated-sites-auditors