Company directory · St Asaph
Trade and construction companies in St Asaph
160 active trade and construction companies registered in St Asaph, Denbighshire, by trade.
Trade companies in St Asaph in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Jones & Carter Limited, incorporated in 1972.
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Trades in St Asaph
- Property developers36
- Specialist contractors23
- Builders14
- Civil engineering13
- Mechanics and garages11
- Plumbers and heating engineers10
- Electricians9
- Machinery repair and installation8
- Finishing trades7
- Cleaning companies6
- Motor traders5
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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