# The biggest construction companies in Wales

The construction companies registered in Wales with the highest turnover in their latest filed accounts, ranked, with profit and growth.

Redrow is the biggest company among the construction companies registered in Wales by turnover, with £2.13bn in its latest filed accounts. Jones Bros. Ruthin (Civil Engineering) Co and City Energy Network follow. Together the 10 companies below turned over £2.82bn in their latest filed years.

| Rank | Company | Town | Turnover | Year |
| ---: | --- | --- | ---: | --- |
| 1 | [Redrow](https://firmfacts.co/company/redrow-02877315) | Flintshire | £2.13bn | FY to Jul 2023 |
| 2 | [Jones Bros. Ruthin (Civil Engineering) Co](https://firmfacts.co/company/jones-bros-ruthin-civil-engineering-co-00983459) | Ruthin | £233m | FY to Mar 2026 |
| 3 | [City Energy Network](https://firmfacts.co/company/city-energy-network-07889412) | Pontypridd | £102m | FY to Jan 2023 |
| 4 | [Bect Building Contractors](https://firmfacts.co/company/bect-building-contractors-01700765) | Cardiff | £58.3m | FY to Jun 2025 |
| 5 | [Thomas Plant Hire](https://firmfacts.co/company/thomas-plant-hire-07654907) | Holywell | £56.3m | FY to May 2025 |
| 6 | [Andrew Scott](https://firmfacts.co/company/andrew-scott-00406516) | Swansea | £54.6m | FY to Jun 2021 |
| 7 | [Thomas Contracting](https://firmfacts.co/company/thomas-contracting-04496458) | Holywell | £49.7m | FY to May 2025 |
| 8 | [Morganstone](https://firmfacts.co/company/morganstone-06705551) | Swansea | £48.4m | FY to Apr 2025 |
| 9 | [Carter Lauren Construction](https://firmfacts.co/company/carter-lauren-construction-02830998) | Cardiff | £47.8m | FY to Mar 2025 |
| 10 | [Tir Tai](https://firmfacts.co/company/tir-tai-06891152) | St Asaph | £46.7m | FY to Mar 2026 |

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Updated 2026-10-26 from the latest filed accounts at Companies House (Open Government Licence v3.0). Page: https://firmfacts.co/blog/biggest-construction-companies-in-wales