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Construction · Swansea
Construction companies in Swansea
There are 2,078 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.
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What they do — by trade
The trade mix across Swansea's 2,078 registered construction companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is SA1 with 647 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 |
|---|---|
| Gf Gower Property Ltd | SA4 |
| Michael Jones Renovations Ltd | SA9 |
| Cyfyng Road Developments Ltd | SA9 |
| Dc Plumbing & Construction Ltd | SA2 |
| Morstone Plumbing & Heating Ltd | SA7 |
| Morstone Electrical Ltd | SA7 |
| Ginger Property Services Limited | SA2 |
| B&C Building (Swansea) Limited | SA7 |
| Coastal-Bay Building Contractor Ltd | SA5 |
| Transform Scaffolding Ltd | SA1 |
| Property Performance Group Ltd | SA4 |
| Trc Groundworks & Construction Ltd | SA4 |
Export all 2,078 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 2,078 construction companies with a registered office in Swansea on the Companies House register, of which 1,528 (74%) are currently active.
The SA1 postcode area has the highest concentration, with 647 of Swansea's construction companies registered there.
204 new construction companies were incorporated in Swansea during 2025, the most recent complete year on the register.