Company directory · St Helens
Trade and construction companies in St Helens
677 active trade and construction companies registered in St Helens, Merseyside, by trade.
Trade companies in St Helens in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Heating Services (North West) Limited, incorporated in 1964.
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Trades in St Helens
- Property developers84
- Builders75
- Electricians57
- Mechanics and garages51
- Motor traders48
- Plumbers and heating engineers45
- Specialist contractors38
- Cleaning companies34
- Machinery repair and installation33
- Finishing trades31
- Roofers31
- Installers30
- Civil engineering24
- Joiners and carpenters22
- Painters and decorators19
- Landscapers and gardeners13
- Plasterers9
- Scaffolders9
- Floor and wall tilers8
- Facilities management6
Every company on these pages is an active private limited company that files small or micro-entity accounts. Each one has to deliver accounts to Companies House within 9 months of its year end, pay corporation tax 9 months and 1 day after it, and file a CT600 with HMRC within 12 months.
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