# The 10 biggest energy companies in the UK

The largest UK energy companies by turnover in their latest filed accounts, with profit and the change on the year before.

National Oilwell Varco UK is the biggest company among the UK's energy companies by turnover, with £374m in its latest filed accounts. Stelrad Group and Sarval follow. Together the 10 companies below turned over £1.06bn in their latest filed years.

| Rank | Company | Town | Turnover | Year |
| ---: | --- | --- | ---: | --- |
| 1 | [National Oilwell Varco UK](https://firmfacts.co/company/national-oilwell-varco-uk-00873028) | Stonehouse | £374m | FY to Dec 2024 |
| 2 | [Stelrad Group](https://firmfacts.co/company/stelrad-group-13670010) | Newcastle Upon Tyne | £280m | FY to Dec 2025 |
| 3 | [Sarval](https://firmfacts.co/company/sarval-00531808) | Doncaster | £62.9m | FY to Dec 2025 |
| 4 | [Brocklesby](https://firmfacts.co/company/brocklesby-03333029) | North Cave | £59.6m | FY to Dec 2025 |
| 5 | [Ode Asset Management](https://firmfacts.co/company/ode-asset-management-11331750) | Great Yarmouth | £54.4m | FY to Dec 2025 |
| 6 | [Potter & Moore](https://firmfacts.co/company/potter-moore-01227964) | Peterborough | £53.2m | FY to Mar 2024 |
| 7 | [Pierre Fabre](https://firmfacts.co/company/pierre-fabre-00986738) | London | £52.5m | FY to Dec 2025 |
| 8 | [Festo](https://firmfacts.co/company/festo-00926749) | Northampton | £45.8m | FY to Dec 2023 |
| 9 | [Remy Cointreau UK Distribution](https://firmfacts.co/company/remy-cointreau-uk-distribution-08130175) | London | £42.2m | FY to Mar 2024 |
| 10 | [Sentinel Offshore Vessels](https://firmfacts.co/company/sentinel-offshore-vessels-sc447169) | Aberdeen | £40.4m | FY to Dec 2025 |

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Updated 2026-10-25 from the latest filed accounts at Companies House (Open Government Licence v3.0). Page: https://firmfacts.co/blog/biggest-energy-companies-uk