Company directory · Letchworth Garden City
Trade and construction companies in Letchworth Garden City
294 active trade and construction companies registered in Letchworth Garden City, Hertfordshire, by trade.
Trade companies in Letchworth Garden City in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Letchworth Palace Limited(the), incorporated in 1924.
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Trades in Letchworth Garden City
- Property developers60
- Electricians33
- Builders31
- Cleaning companies21
- Plumbers and heating engineers20
- Motor traders19
- Mechanics and garages15
- Specialist contractors14
- Machinery repair and installation13
- Finishing trades12
- Installers10
- Civil engineering6
- Facilities management5
- Joiners and carpenters5
- Repair services5
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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