Company lists · Data verified August 2026

Top 25 Esg consulting firms based in Australia

Name: Esg consulting firms based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 680 companies tracked

There are 680 esg consulting firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 5,052 professional contacts across them, including 2,562 with verified work emails and 440 with mobile numbers. Sydney is the largest hub.

This list covers esg consulting firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

680Companies

5,052Contacts tracked

2,562Verified emails

440Mobile numbers

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The 25 largest esg consulting firms based in Australia

Ranked by team size

Top 25 of 680 esg consulting firms based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Sodali & CO	Melbourne	501-1,000	435	241
2	Umwelt Environmental & Social Consultants	Melbourne	201-500	326	234
3	Jbs&g	Perth	201-500	264	225
4	ECO Logical Australia PTY LTD	Huskisson	201-500	221	119
5	The Gild Group	Mooloolaba	51-200	108	77
6	Energetics	North Sydney	51-200	95	63
7	Xenith	Singleton	51-200	92	69
8	Edge Impact	Melbourne	51-200	84	52
9	Rennie	Sydney	51-200	78	66
10	Nation Partners	Melbourne	51-200	72	63
11	E2m	Milton	11-50	62	24
12	Acacia Environmental Management	St. Andrews	201-500	59	32
13	Western Environmental	Richmond	51-200	52	1
14	Element Advisory Part Of SLR	Perth	51-200	50	22
15	Environmental Earth Sciences International Eesi	Chatswood	51-200	49	29
16	ERIAS	Brisbane	11-50	46	32
17	BWD Strategic	Sydney	11-50	43	28
18	An MEA	Perth	11-50	40	2
19	RHELM	Newcastle West	11-50	39	32
20	Right Lane Consulting	Sydney	11-50	39	30
21	Nixora Group	Melbourne	51-200	35	26
22	Sustainable Development Consultants PTY LTD	Camberwell	11-50	34	27
23	Assured Environmental AE	Alexandria	11-50	33	21
24	Anthesis Apac	Sydney	1,001-5,000	32	24
25	Vela Sustainability Technologies	Brisbane	201-500	30	3

Showing 25 of 680 esg consulting firms based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,562 reachable decision-makers.

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Esg consulting firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 134 HQs

440Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

545

11-50

101

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Esg consulting firms by metro

Metro	Companies
Esg consulting firms in Sydney	134
Esg consulting firms in Melbourne	99
Esg consulting firms in Brisbane	57
Esg consulting firms in Perth	56
Esg consulting firms in Adelaide	25
Esg consulting firms in Newcastle	12
Esg consulting firms in Gold Coast	7

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “esg consulting firms”, with match quality audited by blind human judging, and headquartered in Australia.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many esg consulting firms are there based in Australia?

There are 680 esg consulting firms headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Sodali & CO, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most esg consulting firms?

Sydney leads with 134 headquartered companies, followed by Melbourne (99) and Brisbane (57).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,562 verified decision-maker contacts tracked across these 680 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.