Company directory · Dorchester
Trade and construction companies in Dorchester
577 active trade and construction companies registered in Dorchester, Dorset, by trade.
Trade companies in Dorchester in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Metropolitan Land and House Company Limited(the), incorporated in 1878.
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Trades in Dorchester
- Property developers71
- Builders66
- Mechanics and garages64
- Plumbers and heating engineers46
- Specialist contractors40
- Electricians33
- Finishing trades33
- Motor traders29
- Landscapers and gardeners28
- Machinery repair and installation25
- Cleaning companies24
- Installers20
- Floor and wall tilers18
- Roofers18
- Joiners and carpenters15
- Scaffolders11
- Civil engineering9
- Painters and decorators9
- Glaziers6
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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