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Company directory · Cardiff

Trade and construction companies in Cardiff

2,865 active trade and construction companies registered in Cardiff, South Glamorgan, by trade.

Trade companies in Cardiff in numbers

From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Connies of Cardiff Limited, incorporated in 1926.

Companies
2,865
Active, small or micro accounts
New in the last 12 months
520
18% of the total
Typical net assets
£8,169
Median of 1,814 latest balance sheets
Typical size
1 employee
Median average headcount
Accounts due in the next 3 months
616
Companies House deadlines

Still trading, by year incorporated

Active trade companies in Cardiff by year of incorporation02004006002017: 115 incorporated (still active)20172018: 115 incorporated (still active)20182019: 136 incorporated (still active)20192020: 127 incorporated (still active)20202021: 145 incorporated (still active)20212022: 166 incorporated (still active)20222023: 162 incorporated (still active)20232024: 238 incorporated (still active)20242025: 470 incorporated (still active)20252026: 415 incorporated (still active)4152026
Active trade companies in Cardiff by year of incorporation02004006002017: 115 incorporated (still active)'172018: 115 incorporated (still active)'182019: 136 incorporated (still active)'192020: 127 incorporated (still active)'202021: 145 incorporated (still active)'212022: 166 incorporated (still active)'222023: 162 incorporated (still active)'232024: 238 incorporated (still active)'242025: 470 incorporated (still active)'252026: 415 incorporated (still active)415'26

Companies still active today, by the year they were incorporated; 2026 is the year so far.

Trades in Cardiff

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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