Company directory · Southsea
Trade and construction companies in Southsea
394 active trade and construction companies registered in Southsea, Hampshire, by trade.
Trade companies in Southsea in numbers
From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Greenbox Associates Ltd, incorporated in 1938.
Still trading, by year incorporated
Companies still active today, by the year they were incorporated; 2026 is the year so far.
Trades in Southsea
- Builders53
- Property developers39
- Specialist contractors38
- Electricians30
- Finishing trades30
- Mechanics and garages29
- Cleaning companies26
- Plumbers and heating engineers25
- Motor traders23
- Installers18
- Machinery repair and installation12
- Painters and decorators12
- Civil engineering11
- Glaziers9
- Joiners and carpenters8
- Roofers6
- Floor and wall tilers5
- Landscapers and gardeners5
- 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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