# The 10 biggest companies in South West

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

Imperial Brands is the biggest company registered in South West by turnover, with £32.2bn in its latest filed accounts. Spirax Group and Livanova follow. Together the 10 companies below turned over £41.5bn in their latest filed years.

| Rank | Company | Town | Turnover | Year |
| ---: | --- | --- | ---: | --- |
| 1 | [Imperial Brands](https://firmfacts.co/company/imperial-brands-03236483) | Bristol | £32.2bn | FY to Sept 2025 |
| 2 | [Spirax Group](https://firmfacts.co/company/spirax-group-00596337) | Cheltenham | £1.7bn | FY to Dec 2025 |
| 3 | [Livanova](https://firmfacts.co/company/livanova-09451374) | Gloucester | £1.39bn | FY to Dec 2025 |
| 4 | [Pennon Group](https://firmfacts.co/company/pennon-group-02366640) | Exeter | £1.29bn | FY to Mar 2026 |
| 5 | [Mears Group](https://firmfacts.co/company/mears-group-03232863) | Gloucester | £1.14bn | FY to Dec 2025 |
| 6 | [Renishaw](https://firmfacts.co/company/renishaw-p-l-c-01106260) | Gloucestershire | £816m | FY to Jun 2026 |
| 7 | [Rotork P.L.C.](https://firmfacts.co/company/rotork-plc-00578327) | Bath | £777m | FY to Dec 2025 |
| 8 | [Hargreaves Lansdown](https://firmfacts.co/company/hargreaves-lansdown-02122142) | Bristol | £765m | FY to Jun 2024 |
| 9 | [Future](https://firmfacts.co/company/future-03757874) | Bath | £739m | FY to Sept 2025 |
| 10 | [Scopely Explore International](https://firmfacts.co/company/scopely-explore-international-11403737) | Bristol | £701m | FY to Dec 2024 |

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Updated 2026-10-31 from the latest filed accounts at Companies House (Open Government Licence v3.0). Page: https://firmfacts.co/blog/biggest-companies-in-south-west