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Construction · Swansea
Construction companies in Swansea
There are 2,100 construction companies registered in Swansea, spread across 12 postcode areas. Here is what they do, where they cluster, and how to get the full list.
Open Swansea on the map → Export all 2,100 construction companies on the live map
What they do — by trade
The trade mix across Swansea's 2,100 registered construction companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is SA1 with 655 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 Swansea's postcodes:
| Company | Area |
|---|---|
| Swan Roofing Limited | SA7 |
| Biggs Contracting Services Ltd | SA4 |
| Terra Groundworks & Construction Ltd | SA1 |
| Roofmaster Roofing And Building Ltd | SA6 |
| Williams & Son Carpentry & Building Limited | SA7 |
| Aw Precision Tiling Ltd | SA5 |
| Cmo Building And Landscaping Ltd | SA1 |
| Michael Jones Renovations Ltd | SA9 |
| Gf Gower Property Ltd | SA4 |
| Cyfyng Road Developments Ltd | SA9 |
| Morstone Plumbing & Heating Ltd | SA7 |
| Dc Plumbing & Construction Ltd | SA2 |
Export all 2,100 construction companies in Swansea.
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 2,100 construction companies with a registered office in Swansea on the Companies House register, of which 1,519 (72%) are currently active.
The SA1 postcode area has the highest concentration, with 655 of Swansea's construction companies registered there.
202 new construction companies were incorporated in Swansea during 2025, the most recent complete year on the register.