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Construction · Cardiff
Construction companies in Cardiff
There are 7,351 construction companies registered in Cardiff, spread across 19 postcode areas. Here is what they do, where they cluster, and how to get the full list.
Open Cardiff on the map → Export all 7,351 construction companies on the live map
What they do — by trade
The trade mix across Cardiff's 7,351 registered construction companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is CF14 with 5,166 firms:
When they were founded
Company formations in the sector, by year (full calendar years):
A sample of the companies
A handful of the active construction companies registered across Cardiff's postcodes:
| Company | Area |
|---|---|
| See Development S Ltd | CF3 |
| J&S Builders Ltd | CF3 |
| Crown Damp Proofing Ltd | CF11 |
| Cf Glazing Ltd | CF10 |
| Rk Fire And Electrical Ltd | CF5 |
| Gilps Construction Ltd | CF5 |
| Jmb Roofing Services Ltd | CF10 |
| P&J Construction Limited | CF14 |
| Regency Construction Group Ltd | CF5 |
| Lex Roofing Solutions Ltd | CF23 |
| Bullhorn Builders Ltd | CF24 |
| Caerdydd Groundworks Ltd | CF24 |
Export all 7,351 construction companies in Cardiff.
Each row includes the company name, number, status, incorporation date, full registered
address, postcode, SIC codes and a direct link to its Companies House record.
Quick answers
There are 7,351 construction companies with a registered office in Cardiff on the Companies House register, of which 2,183 (30%) are currently active.
The CF14 postcode area has the highest concentration, with 5,166 of Cardiff's construction companies registered there.
990 new construction companies were incorporated in Cardiff during 2025, the most recent complete year on the register.