Market map · United Kingdom · Property & construction

Plumbing heating sanitary trades in United Kingdom_

As of 4 November 2026, 36,109 plumbing heating sanitary trades companies are based in United Kingdom; 123 are hiring right now and London has the most.

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

Companies
36,109
Hiring now
123 · 9 new in 30 d
Largest niche
Plumbing heating contractor · 19,430
Top city
London · 486
Parent market
Property & construction · 282,765
36,109plumbing heating sanitary trades companies in United Kingdom
123hiring today
9opened a role in the last 30 days
20niches inside the segment
02 — Niches, sizes, cities

Plumbing heating sanitary trades in United Kingdom, broken down

By niche
companiesshare
Plumbing heating contractor
19,43054%
Boiler installation repair
6,10517%
Drain unblocking sewer cleaning
5,23715%
HVAC air conditioning contractor
4,00011%
Chimney sweeping & stove installation
1,7875%
Commercial refrigeration contractor
1,0583%
Heat pump installation
9683%
Water leak detection
8712%
Other plumbing heating sanitary trades
4811%
Bathroom renovation
4791%
Kitchen bathroom fitters
3891%
Septic system services
3151%
Electrical contractors
2731%
Other specialist building services contractors
1650%
Water treatment installers
1450%
By company size
companies · hiring
Self-employed
3,236 · 0
2-10 employees
30,964 · 44
11-50 employees
1,673 · 51
51-200 employees
199 · 23
201-500 employees
28 · 2
501-1000 employees
5 · 2
1001-5000 employees
4 · 1
By city
companiesshare
London
4861%
Garissa
3061%
Glasgow
1790%
Bristol
1760%
Sheffield
1350%
Croydon
1210%
Birmingham
1130%
Leeds
1120%
Rode
1090%
Liverpool
1040%
Nottingham
900%
Leicester
820%
03 — Largest companies

The biggest plumbing heating sanitary trades companies in United Kingdom

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

36,109 plumbing heating sanitary trades companies in United Kingdom.

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 United Kingdom

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.

36,109 plumbing heating sanitary trades companies are based in United Kingdom; 123 are hiring right now and London has the most. (Breaknorm, 4 November 2026, https://breaknorm.co/market/property_construction/united-kingdom/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 United Kingdom: questions

How many plumbing heating sanitary trades companies are there in United Kingdom?

36,109 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, boiler installation repair, 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 United Kingdom,
with the person who decides

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