# The biggest energy companies in South West

The energy companies registered in South West with the highest turnover in their latest filed accounts, ranked, with profit and growth.

National Oilwell Varco UK is the biggest company among the energy companies registered in South West by turnover, with £374m in its latest filed accounts. The Somerset Toiletry Company and Antech follow. Together the 10 companies below turned over £398m 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 | [The Somerset Toiletry Company](https://firmfacts.co/company/the-somerset-toiletry-company-03748299) | Clutton | £16.5m | FY to Dec 2025 |
| 3 | [Antech](https://firmfacts.co/company/antech-02962739) | Exeter | £6.66m | FY to Aug 2025 |
| 4 | [Inverter Fusion](https://firmfacts.co/company/inverter-fusion-02633362) | Exmouth | £568k | FY to Jun 2025 |
| 5 | [Onsite Mechanical Engineers](https://firmfacts.co/company/onsite-mechanical-engineers-10469349) | Dawlish | £30.6k | FY to Nov 2025 |
| 6 | [Acquire Offshore Marine Services](https://firmfacts.co/company/acquire-offshore-marine-services-12656225) | Bournemouth | £26.7k | FY to Jun 2025 |
| 7 | [Stormfree Holdings](https://firmfacts.co/company/stormfree-holdings-08622804) | Westbury | £25.7k | FY to Jul 2025 |
| 8 | [Ironstache Elixirs](https://firmfacts.co/company/ironstache-elixirs-14174512) | Wimborne | £4.13k | FY to Jun 2025 |
| 9 | [Naturally Bycipi](https://firmfacts.co/company/naturally-bycipi-13481636) | Stroud | £1.01k | FY to Jun 2025 |
| 10 | [Belief Botanicals](https://firmfacts.co/company/belief-botanicals-14037068) | Poole | £35 | FY to Apr 2025 |

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Updated 2026-11-03 from the latest filed accounts at Companies House (Open Government Licence v3.0). Page: https://firmfacts.co/blog/biggest-energy-companies-in-south-west