Company lists · Data refreshed September 2026

Top 25 Building systems maintenance contractors based in Australia

Name: Building systems maintenance contractors based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 580 companies tracked

RevenueBase identified 580 building systems maintenance contractors headquartered in Australia as of September 2026 and tracks 6,623 professional contacts across them, including 2,735 with verified work emails. Sydney is the largest hub.

This list covers building systems maintenance contractors headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

580Companies

6,623Contacts tracked

2,735Verified emails

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The 25 largest building systems maintenance contractors based in Australia

Ranked by team size

Top 25 of 580 building systems maintenance contractors based in Australia, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to building systems maintenance contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Fredon	Partial evidence	Silverwater, AustraliaHQ checked Sep 16, 2026	1,001-5,000	760 contacts →
	Partial evidence “Fredon is an Australian leader in Electrical, HVAC, Infrastructure and Technology services, backed by 24/7 national maintenance capability.” Source: RevenueBase Database · checked Sep 16, 2026
2	A.G. Coombs	Indirect evidence	Moorabbin, AustraliaHQ checked Sep 16, 2026	1,001-5,000	502 contacts →
	Indirect evidence “A.G.” Source: RevenueBase Database · checked Sep 16, 2026
3	Grosvenor Engineering Group	Partial evidence	Moorebank, AustraliaHQ checked Sep 16, 2026	501-1,000	448 contacts →
	Partial evidence “Grosvenor Engineering Group is passionate about creating long-term sustainable value for building owners, managers and their occupants.” Source: RevenueBase Database · checked Sep 16, 2026
4	City Facilities Management Australia	Indirect evidence	Mulgrave, AustraliaHQ checked Sep 16, 2026	1,001-5,000	441 contacts →
	Indirect evidence “Founded in 1985 in Glasgow, Scotland, City Facilities Management (City) is one of the world’s largest privately-owned facilities management companies.” Source: RevenueBase Database · checked Sep 16, 2026
5	VAE Group	Indirect evidence	Darra, AustraliaHQ checked Sep 16, 2026	201-500	271 contacts →
	Indirect evidence “VAE engineers, constructs and manages Smarter HVAC Solutions.” Source: RevenueBase Database · checked Sep 16, 2026
6	Ellis AIR Conditioning	Partial evidence	Moorabbin Airport, AustraliaHQ checked Sep 16, 2026	201-500	217 contacts →
	Partial evidence “Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Source: RevenueBase Database · checked Sep 16, 2026
7	MEP	Strong evidence	Bibra Lake, AustraliaHQ checked Sep 16, 2026	201-500	149 contacts →
	Strong evidence “MEP is an award-winning building services contractor specializing in multiple disciplines across the construction industry.” Source: RevenueBase Database · checked Sep 16, 2026
8	Axis Services Group	Strong evidence	Padstow, AustraliaHQ checked Sep 16, 2026	501-1,000	144 contacts →
	Strong evidence “A multi discipline building services and maintenance contractor with offices in Australia, New Zealand, Thailand, and the USA The services each of our companies provide are varied…” Source: RevenueBase Database · checked Sep 16, 2026
9	Cmbm Clean Maintain Build Manage	Partial evidence	Eight Mile Plains, AustraliaHQ checked Sep 16, 2026	51-200	103 contacts →
	Partial evidence “CMBM helps businesses care for their people and places by providing trusted commercial cleaning, maintenance, and facility management solutions.” Source: RevenueBase Database · checked Sep 16, 2026
10	Hirotec	Indirect evidence	Sydney, AustraliaHQ checked Sep 16, 2026	201-500	101 contacts →
	Indirect evidence “For nearly 40 years Hirotec, a wholly owned Australian company, has been a leader in integrated technical services.” Source: RevenueBase Database · checked Sep 16, 2026
11	Aizer Group	Partial evidence	Burleigh Heads, AustraliaHQ checked Sep 16, 2026	51-200	67 contacts →
	Partial evidence “Aizer is an integrated Building Services Company providing a complete solution for all building, property and asset services needs.” Source: RevenueBase Database · checked Sep 16, 2026
12	Multi Services Solutions Group ANZ	Indirect evidence	Sydney, AustraliaHQ checked Sep 16, 2026	201-500	61 contacts →
	Indirect evidence “Multi Services Solutions is built on strong foundations of industry experience and service excellence.” Source: RevenueBase Database · checked Sep 16, 2026
13	KEN Hall	Partial evidence	Adelaide, AustraliaHQ checked Sep 16, 2026	51-200	45 contacts →
	Partial evidence “Recognised as an industry leader in trade service maintenance, Ken Hall's team of qualified and licenced Plumbers, Electricians, Gasfitters, Roofers, Tilers, Trades & Bathroom…” Source: RevenueBase Database · checked Sep 16, 2026
14	Assett Group Services PTY LTD	Partial evidence	Macquarie Park, AustraliaHQ checked Sep 16, 2026	51-200	44 contacts →
	Partial evidence “Assett Group Services Pty Ltd (Assett) is an industry leader in the provision of Facilities Maintenance in the Social Housing Sector, providing services for a various Community…” Source: RevenueBase Database · checked Sep 16, 2026
15	Dewpoint Group	Partial evidence	Grange, AustraliaHQ checked Sep 16, 2026	11-50	39 contacts →
	Partial evidence “WELCOME TO DEWPOINT GROUP OF COMPANIES Dewpoint Group is recognised as an industry leader in the design and installation of air conditioning and mechanical services systems and…” Source: RevenueBase Database · checked Sep 16, 2026
16	Auscool AIR Conditioning & Mechanical Services PTY LTD	Indirect evidence	Epping, AustraliaHQ checked Sep 16, 2026	51-200	36 contacts →
	Indirect evidence “Auscool Air Conditioning and Mechanical Services is recognised as a HVAC industry leader in the commercial, retail and government sectors, but our inception began much more humbly.” Source: RevenueBase Database · checked Sep 16, 2026
17	Westside Group	Indirect evidence	Adelaide, AustraliaHQ checked Sep 16, 2026	51-200	36 contacts →
	Indirect evidence “Our founding Westside company commenced in 1998 with the Group now employing in excess of 100 staff and at any one time is supported by an additional team of 20 to 30 specialist…” Source: RevenueBase Database · checked Sep 16, 2026
18	Total Facility Maintenance	Strong evidence	Mulgrave, AustraliaHQ checked Sep 16, 2026	51-200	35 contacts →
	Strong evidence “Total Facility Maintenance Pty Ltd (TFM) provides building maintenance services to all commercial sectors throughout Victoria.” Source: RevenueBase Database · checked Sep 16, 2026
19	Quadrant Mechanical Services PTY LTD	Indirect evidence	Keysborough, AustraliaHQ checked Sep 16, 2026	51-200	33 contacts →
	Indirect evidence “Currently consisting of over 80 staff, Quadrant Mechanical Services is a company bringing together the skills, knowledge and expertise of a range of people with specialist…” Source: RevenueBase Database · checked Sep 16, 2026
20	Sedatech PTY LTD	Partial evidence	Murarrie, AustraliaHQ checked Sep 16, 2026	51-200	31 contacts →
	Partial evidence “Sedatech is a leading mechanical services company, offering comprehensive engineering, construction and maintenance solutions.” Source: RevenueBase Database · checked Sep 16, 2026
21	Navaska	Partial evidence	Murarrie, AustraliaHQ checked Sep 16, 2026	51-200	30 contacts →
	Partial evidence “As one of Brisbane’s trusted mechanical services contractors, we help our clients turn their visions into reality.” Source: RevenueBase Database · checked Sep 16, 2026
22	Famaso	Indirect evidence	Altona, AustraliaHQ checked Sep 16, 2026	51-200	29 contacts →
	Indirect evidence “FAMASO!” Source: RevenueBase Database · checked Sep 16, 2026
23	Vertimax Australia	Strong evidence	Tullamarine, AustraliaHQ checked Sep 16, 2026	51-200	28 contacts →
	Strong evidence “We offer a full suite of specialised supply, installation and maintenance services tailored for buildings and facilities.” Source: RevenueBase Database · checked Sep 16, 2026
24	Butterfields Services Aust	Partial evidence	Underdale, AustraliaHQ checked Sep 16, 2026	51-200	27 contacts →
	Partial evidence “Established in 1978 and based in Adelaide, South Australia, Butterfields delivers innovative maintenance and project solutions for Air Conditioning, Plumbing and Electrical…” Source: RevenueBase Database · checked Sep 16, 2026
25	Climax AIR Conditioning	Indirect evidence	South Nowra, AustraliaHQ checked Sep 16, 2026	51-200	27 contacts →
	Indirect evidence “For over 30 years, Climax Air Conditioning has been a trusted name in the HVAC industry.” Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: building systems maintenance contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names building systems maintenance contractors.
Partial evidence: Its own public description names part of building systems maintenance contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name building systems maintenance contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 580 building systems maintenance contractors based in Australia

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Building systems maintenance contractors based in Australia at a glance

As of Sep 16, 2026

41.3%Verified-email coverage

11.4Average contacts per company

11-50Median size (employees)

9.5%Largest-city concentration · Sydney

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

237

11-50

253

51-200

201-500

501-1,000

1,001-5,000

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 580 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among building systems maintenance contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Australia whose own description of what they do matches “building systems maintenance contractors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names building systems maintenance contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among building systems maintenance contractors, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,735 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Building systems maintenance contractors by metro

Building systems maintenance contractors in Sydney55
Building systems maintenance contractors in Melbourne52

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names building systems maintenance contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many building systems maintenance contractors are there based in Australia?

RevenueBase identified 580 building systems maintenance contractors headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Fredon, headquartered in Silverwater, tops this list with the largest team on record.

Which city has the most building systems maintenance contractors?

Sydney leads with 55 headquartered companies, followed by Melbourne (52) and Brisbane (14).

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 2,735 verified decision-maker contacts tracked across these 580 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.