Market map · Australia · Property & construction

Plumbing heating sanitary trades in Australia_

As of 4 November 2026, 17,403 plumbing heating sanitary trades companies are based in Australia; 59 are hiring right now and Melbourne has the most.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Companies
17,403
Hiring now
59 · 1 new in 30 d
Largest niche
Plumbing heating contractor · 11,232
Top city
Melbourne · 464
Parent market
Property & construction · 132,882
17,403plumbing heating sanitary trades companies in Australia
59hiring today
1opened a role in the last 30 days
20niches inside the segment
02 — Niches, sizes, cities

Plumbing heating sanitary trades in Australia, broken down

By niche
companiesshare
Plumbing heating contractor
11,23265%
HVAC air conditioning contractor
3,78822%
Drain unblocking sewer cleaning
1,79810%
Commercial refrigeration contractor
7294%
Water treatment installers
2471%
Other plumbing heating sanitary trades
2211%
Heat pump installation
1781%
Electrical contractors
1541%
Septic system services
1511%
Water leak detection
1331%
Civil infrastructure contractors
881%
Pool service & maintenance
640%
Chimney sweeping & stove installation
620%
Excavation & earthmoving contractors
580%
Roofing contractors
570%
By company size
companies · hiring
Self-employed
4,373 · 0
2-10 employees
12,239 · 26
11-50 employees
653 · 19
51-200 employees
122 · 11
201-500 employees
14 · 1
501-1000 employees
1 · 1
1001-5000 employees
1 · 1
By city
companiesshare
Melbourne
4643%
Sydney
1931%
Adelaide
1461%
Perth
1371%
Victoria
580%
Brisbane
530%
Darlinghurst
400%
Bay
360%
Bayswater
330%
Castle Hill
330%
Homebush
330%
Gold Coast
320%
03 — Largest companies

The biggest plumbing heating sanitary trades companies in Australia

The largest companies of the segment, by headcount; job boards and portals left out.

17,403 plumbing heating sanitary trades companies in Australia.

Filter by niche, size, city or hiring, and open the decision makers with verified e-mails.

Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

04 — What they run

The stack of plumbing heating sanitary trades in Australia

From their websites and DNS records, page plumbing left out.

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

17,403 plumbing heating sanitary trades companies are based in Australia; 59 are hiring right now and Melbourne has the most. (Breaknorm, 4 November 2026, https://breaknorm.co/market/property_construction/australia/plumbing_heating_sanitary_trades)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ClassificationEvery company is classified from its own website into vertical, sub-vertical and leaf with a confidence score; this page counts industry confidence ≥ 0.7 and country confidence ≥ 0.8.
  • Company listRich profiles with a LinkedIn-known headcount only; job boards, directories, portals and non-organisations are left out.
  • HiringOpen roles read hourly from the company's own career system.
FAQ

Plumbing heating sanitary trades in Australia: questions

How many plumbing heating sanitary trades companies are there in Australia?

17,403 with a confident classification, read from their own websites.

What is a sub-vertical?

The middle level of our industry tree: Property & construction → Plumbing heating sanitary trades → leaf niches such as plumbing heating contractor, hvac air conditioning contractor, drain unblocking sewer cleaning. Each company carries all three with a confidence score.

Can I get the list?

Yes: the first 20 largest are on this page; the full list with verified e-mails is in the product. Counting is free.

Companies and people

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The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every plumbing heating sanitary trades company in Australia,
with the person who decides

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