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Sydney, New South Wales · October 2026 figures

Best environmental consultants in Sydney, NSW

The highest-ranked environmental consultants in Sydney, NSW are EnviroX Consulting (4.9 from 99 reviews), Integrated Environmental (5.0 from 30 reviews) and K2 Consulting Group (4.9 from 49 reviews). 46 are ranked here by rating floor.

Ranked
46
Median rating
4.9
Reviews behind the list
660
Open Saturday
8 of 45

Compare the top 10 How the ranking works

The ranked list

  1. Rank 1.

    EnviroX Consulting

    Rozelle

    4.9 from 99 reviews Floor 4.74

    1300 599 996Website
  2. Rank 2.

    Integrated Environmental

    Baulkham Hills

    5.0 from 30 reviews Floor 4.70

    Open 7 daysOpen lateOpens early

    0448 298 485Website
  3. Rank 3.

    K2 Consulting Group

    North Ryde

    4.9 from 49 reviews Floor 4.67

    1800 523 000Website
  4. Rank 4.

    Building Harmony Building Biology

    Abbotsbury

    5.0 from 24 reviews Floor 4.66

    Opens early

    0405 195 959Website
  5. Rank 5.

    Energi Assessments - BASIX Certifications

    Sydney

    5.0 from 22 reviews Floor 4.65

    1800 363 744Website
  6. Rank 6.

    NEO Consulting: Environmental Services for Greater Sydney & NSW

    Riverstone

    5.0 from 19 reviews Floor 4.62

    Opens early

    (02) 7258 2800Website
  7. Rank 7.

    Imtecon

    Lethbridge Park

    5.0 from 16 reviews Floor 4.59

    Open Saturday

    0437 839 680Website
  8. Rank 8.

    Australia Wide Safety Solutions Pty Ltd.

    Lakemba

    5.0 from 12 reviews Floor 4.53

    Open Saturday

    0480 359 528
  9. Rank 9.

    Australian Safer Environment & Technology PTY LTD

    Hornsby

    5.0 from 12 reviews Floor 4.53

    (02) 9987 2183Website
  10. Rank 10.

    Evenair

    Darlinghurst

    5.0 from 12 reviews Floor 4.53

    Open Saturday

    (02) 7255 0808Website
  11. Rank 11.

    4Pillars Environmental Consulting

    North Strathfield

    5.0 from 11 reviews Floor 4.50

    (02) 8313 7054Website
  12. Rank 12.

    Canopy Consulting

    Macquarie Park

    4.9 from 13 reviews Floor 4.44

    Opens early

    1300 122 667Website
  13. Rank 13.

    Environmental Group Australia

    Marrickville

    4.8 from 20 reviews Floor 4.43

    Open Saturday

    1300 884 164Website
  14. Rank 14.

    Future Waste Solutions

    Miranda

    5.0 from 8 reviews Floor 4.42

    1300 178 290Website
  15. Rank 15.

    JEP Environment & Planning

    North Sydney

    5.0 from 8 reviews Floor 4.42

    (02) 8056 1849Website
  16. Rank 16.

    Kiwa ELS

    Macquarie Park

    5.0 from 7 reviews Floor 4.38

    (02) 9878 0451Website
  17. Rank 17.

    Getex

    Hornsby

    4.8 from 14 reviews Floor 4.36

    (02) 9889 2488Website
  18. Rank 18.

    Ocean Protect

    Condell Park

    4.8 from 13 reviews Floor 4.34

    Open 7 daysOpens early

    1300 354 722Website
  19. Rank 19.

    Aspire Sustainability Consulting

    Surry Hills

    5.0 from 6 reviews Floor 4.33

    (02) 8068 1378Website
  20. Rank 20.

    Geotech Testing Pty Ltd

    Penrith

    5.0 from 6 reviews Floor 4.33

    Open late

    (02) 4722 2700Website
  21. Rank 21.

    Sustainable Butterflies Consulting

    Darlinghurst

    5.0 from 6 reviews Floor 4.33

    0490 109 805Website
  22. Rank 22.

    The Urban Soil Doctor

    Narrabeen · Soil testing service

    5.0 from 6 reviews Floor 4.33

    0473 505 550Website
  23. Rank 23.

    Narla Environmental

    Lane Cove West

    4.7 from 15 reviews Floor 4.28

    (02) 9986 1295Website
  24. Rank 24.

    EMM Consulting Pty Limited

    St Leonards

    5.0 from 5 reviews Floor 4.26

    (02) 9493 9500Website
  25. Rank 25.

    EP Risk Management Pty Ltd

    North Sydney

    5.0 from 5 reviews Floor 4.26

    (02) 9922 5021Website
  26. Rank 26.

    Factor3

    St Peters

    5.0 from 5 reviews Floor 4.26

    (02) 9477 3399Website
  27. Rank 27.

    Ideal Soil Testing Sydney

    Smithfield · Soil testing service

    5.0 from 5 reviews Floor 4.26

    Open SaturdayOpens early

    (02) 9725 5522Website
  28. Rank 28.

    Land Eco Consulting

    Warriewood

    5.0 from 5 reviews Floor 4.26

    0408 765 832Website
  29. Rank 29.

    Swift Environmental

    Sydney

    5.0 from 5 reviews Floor 4.26

    Open 7 daysOpens early

    (02) 9188 8835Website
  30. Rank 30.

    Ecological Design

    Newtown

    4.8 from 6 reviews Floor 4.13

    (02) 8006 9690Website
  31. Rank 31.

    ADE Consulting Group

    Silverwater

    4.5 from 10 reviews Floor 3.98

    1300 796 922Website
  32. Rank 32.

    Reditus

    Kirrawee

    4.6 from 5 reviews Floor 3.86

    (02) 9521 6567Website
  33. Rank 33.

    Certified Energy

    The Rocks

    4.1 from 41 reviews Floor 3.84

    1300 443 674Website
  34. Rank 34.

    JK Group

    Macquarie Park

    4.5 from 6 reviews Floor 3.83

    (02) 9888 5000Website
  35. Rank 35.

    Ground Technologies

    Prestons · Soil testing service

    4.3 from 11 reviews Floor 3.80

    (02) 8783 8200Website
  36. Rank 36.

    Australian Soil and Concrete Testing (ASCT) Sydney South Pty Ltd

    Castle Hill · Soil testing service

    4.4 from 7 reviews Floor 3.78

    Opens early

    (02) 9725 5842Website
  37. Rank 37.

    Geotest Services Pty Ltd

    Kings Park · Soil testing service

    4.4 from 7 reviews Floor 3.78

    (02) 9671 4443Website
  38. Rank 38.

    Penrith Lakes Environmental Education Centre

    Cranebrook

    4.0 from 25 reviews Floor 3.67

    (02) 4730 3630Website
  39. Rank 39.

    Michael Mobbs Sustainable House

    Chippendale

    4.3 from 6 reviews Floor 3.63

    0424 460 525Website
  40. Rank 40.

    Ecovantage Pty Ltd

    North Sydney

    3.8 from 23 reviews Floor 3.46

    (02) 8090 5623Website
  41. Rank 41.

    Eurofins Agroscience Testing

    Lane Cove West

    3.9 from 13 reviews Floor 3.44

    (02) 9900 8442Website
  42. Rank 42.

    SESL Australia

    Thornleigh

    3.9 from 12 reviews Floor 3.42

    1300 304 080Website
  43. Rank 43.

    SLR Consulting Australia Pty Ltd

    North Sydney

    3.8 from 11 reviews Floor 3.30

    (02) 9427 8100Website
  44. Rank 44.

    Compaction & Soil Testing Services Pty Ltd

    Glendenning · Soil testing service

    3.7 from 7 reviews Floor 3.08

    (02) 9675 7522
  45. Rank 45.

    Construction Sciences Sydney

    Rooty Hill · Soil testing service

    3.4 from 5 reviews Floor 2.66

    (02) 9854 1700Website
  46. Rank 46.

    Basix

    Sydney

    2.0 from 7 reviews Floor 1.38

    1300 650 908Website

More in Sydney

Environmental Consultants elsewhere in New South Wales

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.