Company lists · Data refreshed September 2026

Top 25 Compliance and environmental consulting firms based in Australia

RevenueBase identified 1,031 company matches for compliance and environmental consulting firms associated with Australia as of September 2026 and tracks 9,914 professional contacts across them, including 5,273 with verified work emails. Sydney is the largest hub.

This list covers company matches for compliance and environmental consulting firms associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
1,031Companies
9,914Contacts tracked
5,273Verified emails
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The 25 largest compliance and environmental consulting firms based in Australia

Ranked by team size
Top 25 of 1,031 company matches for compliance and environmental consulting firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMelbourne, AustraliaHQ recorded Sep 27, 2026201-500468 contacts →

Exact match

“ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSt Leonards, AustraliaHQ recorded Sep 27, 2026201-500361 contacts →

Exact match

“At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchTeralba, AustraliaHQ recorded Sep 27, 2026201-500329 contacts →

Exact match

“Umwelt has been trusted by clients and communities for over 30 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Sep 27, 2026201-500262 contacts →

Exact match

“Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 27, 2026201-500211 contacts →

Exact match

“We exist to empower people to make a difference.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Sep 27, 2026201-500181 contacts →

Exact match

“Senversa is an Australian, employee-owned environmental, engineering & sustainability professional services firm, specialising in the provision of environmental approvals, ground…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202651-200138 contacts →

Exact match

“Backed by global leader Bureau Veritas, McKenzie Group Consulting is a team of 120+ talented, skilled and passionate professionals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchChatswood, AustraliaHQ recorded Sep 27, 2026201-500130 contacts →

Exact match

“Envirolab Group offers a wide array of environment testing and analytical services to support investigations of inorganic and organic contaminants and pollutants.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 27, 202651-200104 contacts →

Exact match

“At Jensen Hughes Pacific, we deliver industry leading services in building code compliance, fire and life safety, accessibility, sustainable design, and fire systems design.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202651-200101 contacts →

Exact match

“Australian Essential Services Compliance (AESC) is your trusted industry advisor in the property risk and compliance space.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchPort Melbourne, AustraliaHQ recorded Sep 27, 202651-200101 contacts →

Exact match

“At Earth Systems, we believe that solving the world’s environmental challenges requires more than just knowledge-it takes innovation and action.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchBrisbane, AustraliaHQ recorded Sep 27, 202651-20094 contacts →

Exact match

“Epic offers industry leading environmental solutions to national and selected international markets.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNorth Sydney, AustraliaHQ recorded Sep 27, 202651-20094 contacts →

Exact match

“Energetics is the climate risk and energy transition expert.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchBrisbane, AustraliaHQ recorded Sep 27, 202651-20092 contacts →

Exact match

“Xenith is an established consulting firm that delivers outstanding exploration, mine planning, operational and financial solutions to resources companies in Australia and around…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Sep 27, 202651-20084 contacts →

Exact match

“Edge Impact exists to create a world where unsustainable is unthinkable.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202611-5081 contacts →

Exact match

“CETEC is an independent consultancy delivering scientific and technical solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchWest Perth, AustraliaHQ recorded Sep 27, 202651-20077 contacts →

Exact match

“RED OHMS Group is an Australian-owned consultancy dedicated to advancing workplace health and safety across diverse industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchMalaga, AustraliaHQ recorded Sep 27, 202651-20076 contacts →

Exact match

“Natural Area is a wholly Western Australian owned and operated company providing environmental consulting and on-ground environmental management to government, property…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchLennox Head, AustraliaHQ recorded Sep 27, 202651-20070 contacts →

Exact match

“Public and private sector organisations across the globe choose OPEC Systems to creatively and intelligently solve their environmental engineering challenges.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchMilton, AustraliaHQ recorded Sep 27, 202611-5067 contacts →

Exact match

“Hydrobiology is an Environmental Consulting Company offering integrated services in the physical, biological and chemical processes of environmental systems with a particular…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMilton, AustraliaHQ recorded Sep 27, 202611-5064 contacts →

Exact match

“At e2m, we set the consultancy standard for terrestrial ecology, environmental approvals and environmental compliance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 27, 202651-20057 contacts →

Exact match

“Steve Watson & Partners is a well recognised and professional building code consulting and approvals service.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMilton, AustraliaHQ recorded Sep 27, 202651-20054 contacts →

Exact match

“With a suite of highly skilled engineers, PTG Consulting provides clients with the benefit of diverse and extensive experience and customised forward-thinking solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchFullarton, AustraliaHQ recorded Sep 27, 202611-5052 contacts →

Exact match

“Agon Environmental is an Australian consultancy delivering quality environmental services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchDrummoyne, AustraliaHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“MRA Consulting Group is one of Australia’s leading environmental consultancy firms, specialising in business and policy reform.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,031 compliance and environmental consulting firms based in Australia

See the full list, filter by size, metro and specialty, and access 5,273 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compliance and environmental consulting firms based in Australia at a glance

As of Sep 27, 2026
53.2%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
11.0%Largest-city concentration · Sydney
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
720
11-50
253
51-200
36
201-500
11
501-1,000
3
1,001-5,000
4
5,001-10,000
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 1,031 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Australia whose business descriptions match “compliance and environmental consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 5,273 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “compliance and environmental consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compliance and environmental consulting firms are there based in Australia?

RevenueBase identified 1,031 company matches for compliance and environmental consulting firms associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ADP Consulting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most compliance and environmental consulting firms?

Sydney leads with 113 company records, followed by Melbourne (105) and Perth (78).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,273 professional contacts with verified work emails tracked across these 1,031 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.