Perth, Western Australia · October 2026 figures
Compare the top 10 environmental consultants in Perth, WA
Of the top 10, Local Geotechnics and Bioscience share the most reviews (11 each), and 8 of them share the highest average (5.0). Western Geotechnical & Laboratory Services lists the most opening hours of the 10 (60 a week).
| Rank | Business | Rating | Reviews | Rating floor | Days open | Saturday | Sunday | Open late | Phone | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | E-Precision Laboratory Pty LtdWilletton | 5.0 | 10 | Floor 4.48 | 5 | No | No | No | (08) 9418 8742 | eplab.com.au |
| 2 | Radiation Professionals AustraliaSouth Guildford | 5.0 | 8 | Floor 4.42 | 5 | No | No | No | (08) 9325 9948 | radproaustralia.com |
| 3 | Western Geotechnical & Laboratory ServicesWelshpool | 5.0 | 8 | Floor 4.42 | 6 | Yes | No | No | (08) 9472 3465 | wgls.com.au |
| 4 | Local GeotechnicsCanning Vale | 4.9 | 11 | Floor 4.40 | 5 | No | No | No | (08) 9457 3517 | localgeotechnics.com.au |
| 5 | Opira WABooragoon | 5.0 | 7 | Floor 4.38 | 5 | No | No | No | 1300 157 969 | opira.com.au |
| 6 | Precision SoilTechBelmont | 5.0 | 6 | Floor 4.33 | 5 | No | No | No | (08) 9277 5529 | precisionsoiltech.com.au |
| 7 | Western EnvironmentalWest Perth | 5.0 | 6 | Floor 4.33 | 5 | No | No | No | (08) 6162 8980 | westenv.com.au |
| 8 | BioscienceForrestdale | 4.8 | 11 | Floor 4.30 | 5 | No | No | No | (08) 9397 2446 | biosciencewa.com |
| 9 | Blue Ocean MonitoringBibra Lake | 5.0 | 5 | Floor 4.26 | 5 | No | No | No | (08) 6102 2999 | blueoceanmonitoring.com |
| 10 | Coterra EnvironmentWest Perth | 5.0 | 5 | Floor 4.26 | 5 | No | No | No | (08) 9381 5513 | coterra.com.au |
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Ratings and review counts are Google's, as listed in October 2026. Phone numbers, websites and opening hours are the ones each business lists. Nothing here is paid for or verified by Calso. How the ranking works.