Who owns UK companies in Plumbing, heat and air-conditioning installation?

11,450 of the 54,924 companies registered under SIC 43220 (Plumbing, heat and air-conditioning installation) filed a list of shareholders with their most recent confirmation statement. Between them, those lists name 23,022 individual shareholders and 2,635 companies, trusts and other entities.

In this industry:

• 2.3% have six or more shareholders, compared with 9.6% of all UK companies — less than half the national rate.
• 3.6% file dormant-company accounts, compared with 10% of all UK companies — less than half the national rate.
• 21% have at least one company among their shareholders, compared with 33% of all UK companies.

How companies in this industry are owned

* Among the 3,689 companies in this industry that have a single class of shares and state the number of shares allotted, where a holding's share of the company can be read directly from the filing. A dash means fewer than 30 companies, too few to report.

Company size and age

The median company in this industry was incorporated 8.6 years ago (all UK companies: 8.5 years).

Related industries

• Other specialised construction activities n.e.c. SIC 43999 · 15,722 companies · 21% majority-owned by a company
• Electrical installation SIC 43210 · 13,512 companies · 16% majority-owned by a company
• Other building completion and finishing SIC 43390 · 12,545 companies · 14% majority-owned by a company
• Other construction installation SIC 43290 · 8,788 companies · 18% majority-owned by a company
• Joinery installation SIC 43320 · 4,710 companies · 14% majority-owned by a company
• Roofing activities SIC 43910 · 3,714 companies · 15% majority-owned by a company
• Painting SIC 43341 · 3,121 companies · 11% majority-owned by a company
• Floor and wall covering SIC 43330 · 2,765 companies · 16% majority-owned by a company

Corporate shareholders in this industry

The 1,000 companies and other entities holding shares in the most companies under SIC 43220, out of 2,591 named as shareholders on those companies' latest confirmation statements. 221 of them hold shares in more than one company in this industry. Trusts and individuals are not named.

About this data

Figures come from the shareholder lists in each company's most recent Companies House confirmation statement (form CS01) that contained one, filed between 11 April 2019 and 18 June 2026. They are as filed and are not restated for later share transfers. Shares held in treasury are excluded. Shareholders are classed as individuals, companies, non-UK entities, trusts or nominees from the names as filed.

Every company's own shareholder register, officers, filings and accounts are available through the OpenRegistry API and MCP server, live from Companies House.