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
Plumbing heating sanitary trades in Australia, broken down
| companies | share | |
|---|---|---|
| Plumbing heating contractor | 11,232 | 65% |
| HVAC air conditioning contractor | 3,788 | 22% |
| Drain unblocking sewer cleaning | 1,798 | 10% |
| Commercial refrigeration contractor | 729 | 4% |
| Water treatment installers | 247 | 1% |
| Other plumbing heating sanitary trades | 221 | 1% |
| Heat pump installation | 178 | 1% |
| Electrical contractors | 154 | 1% |
| Septic system services | 151 | 1% |
| Water leak detection | 133 | 1% |
| Civil infrastructure contractors | 88 | 1% |
| Pool service & maintenance | 64 | 0% |
| Chimney sweeping & stove installation | 62 | 0% |
| Excavation & earthmoving contractors | 58 | 0% |
| Roofing contractors | 57 | 0% |
| 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 |
| companies | share | |
|---|---|---|
| Melbourne | 464 | 3% |
| Sydney | 193 | 1% |
| Adelaide | 146 | 1% |
| Perth | 137 | 1% |
| Victoria | 58 | 0% |
| Brisbane | 53 | 0% |
| Darlinghurst | 40 | 0% |
| Bay | 36 | 0% |
| Bayswater | 33 | 0% |
| Castle Hill | 33 | 0% |
| Homebush | 33 | 0% |
| Gold Coast | 32 | 0% |
The biggest plumbing heating sanitary trades companies in Australia
The largest companies of the segment, by headcount; job boards and portals left out.
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.
The stack of plumbing heating sanitary trades in Australia
From their websites and DNS records, page plumbing left out.
Other segments of property & construction in Australia
Property & construction in Australia, the whole market →
Construction & building engineering · 27,117 →
Building finishing contractors · 22,763 →
Cleaning pest control services · 16,789 →
Electrical solar installation · 16,545 →
Landscaping & grounds maintenance · 9,681 →
Real estate agencies · 9,221 →
Architecture & interior design · 7,716 →
Specialist building services contractors · 7,081 →
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)
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.
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.
Get this segment your way
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,
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