Company lists · Data verified August 2026

Top 25 Energy audit services based in Australia

Name: Energy audit services based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 63 companies tracked

There are 63 energy audit services headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 207 professional contacts across them, including 73 with verified work emails and 25 with mobile numbers. Brisbane is the largest hub.

This list covers energy audit services 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.

63Companies

207Contacts tracked

73Verified emails

25Mobile numbers

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The 25 largest energy audit services based in Australia

Ranked by team size

Top 25 of 63 energy audit services 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	Ecosaver Australia	Derrimut	11-50	18	9
2	Energy & Management Services	Brisbane	11-50	15	6
3	Optimise Energy Solutions	North Sydney	1-10	8	7
4	Anderson Energy Efficiency	Mount Gravatt East	1-10	8	6
5	Green Choice Consulting PTY LTD	Adelaide	11-50	8	3
6	Building Energy Ratings And Advice	Brisbane	1-10	6	5
7	Seedhaus	Worongary	1-10	5	4
8	Green Energy And Carbon Management Gecm	Hawthorn	1-10	5	3
9	Vista Energy	Bibra Lake	11-50	3	3
10	Avance Energy Solutions Pty. LTD	Minchinbury	1-10	3	3
11	Efficientsee	Tonsley	1-10	3	3
12	Ensol Systems Pty. LTD	Rosebery	11-50	3	2
13	Gradwell Consulting	Pymble	1-10	3	2
14	Energy Compliance Consultants	Camberwell	1-10	3	1
15	Optimum Energy Solutions PTY LTD	Bondi Junction	1-10	3	1
16	Torple Energy Ratings	Launceston	1-10	3	1
17	Electrical Energy Savers	Narangba	1-10	2	2
18	Powerhouse Raters	Albury	1-10	2	2
19	Accelerate Sustainability Assessments	Brisbane	1-10	2	1
20	MG Enlightening	Melbourne	1-10	2	1
21	Hyper-Efficient	Adelaide	1-10	1	1
22	Directstar Ratings	Five Dock	1-10	1	1
23	Empire Thermal Group	Keilor	1-10	1	1
24	Design Ecology Australia	Stirling	1-10	1	1
25	House Energy Certified	Sydney	1-10	1	1

Showing 25 of 63 energy audit services based in Australia

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Energy audit services based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrisbaneLargest hub · 6 HQs

25Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Energy audit services by metro

Metro	Companies
Energy audit services in Brisbane	6
Energy audit services in Melbourne	3
Energy audit services in Adelaide	3
Energy audit services in Sydney	2
Energy audit services in Keilor	1
Energy audit services in Southport	1
Energy audit services in Herston	1
Energy audit services in South Melbourne	1

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 “energy audit services”, 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 energy audit services are there based in Australia?

There are 63 energy audit services headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Ecosaver Australia, headquartered in Derrimut, tops this list with the largest team on record.

Which city has the most energy audit services?

Brisbane leads with 6 headquartered companies, followed by Melbourne (3) and Adelaide (3).

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 73 verified decision-maker contacts tracked across these 63 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.