# The biggest finance and payments companies in Wales

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

Avantis Marine is the biggest company among the finance and payments companies registered in Wales by turnover, with £65.7m in its latest filed accounts. Arag and CC Holdings follow. Together the 10 companies below turned over £140m in their latest filed years.

| Rank | Company | Town | Turnover | Year |
| ---: | --- | --- | ---: | --- |
| 1 | [Avantis Marine](https://firmfacts.co/company/avantis-marine-11496188) | Cardiff | £65.7m | FY to Mar 2024 |
| 2 | [Arag](https://firmfacts.co/company/arag-02585818) | Caerphilly | £17m | FY to Dec 2022 |
| 3 | [CC Holdings](https://firmfacts.co/company/cc-holdings-01718292) | Llantarnam Industrial Park | £15.1m | FY to Feb 2025 |
| 4 | [Momentum Utility Services](https://firmfacts.co/company/momentum-utility-services-11146104) | Chepstow | £12.3m | FY to Jan 2026 |
| 5 | [Health Economics and Outcomes Research](https://firmfacts.co/company/health-economics-and-outcomes-research-07532879) | Cardiff | £12.2m | FY to Mar 2025 |
| 6 | [Source Insurance](https://firmfacts.co/company/source-insurance-02864963) | Cardiff | £9.89m | FY to Dec 2025 |
| 7 | [Fuw Insurance Services](https://firmfacts.co/company/fuw-insurance-services-07981993) | Aberystwyth | £6.44m | FY to Mar 2026 |
| 8 | [Cynnal Cymru - Sustain Wales](https://firmfacts.co/company/cynnal-cymru-sustain-wales-04622047) | Cardiff | £525k | FY to Mar 2026 |
| 9 | [Dragon Investment Managers](https://firmfacts.co/company/dragon-investment-managers-04294559) | Colwyn Bay | £440k | FY to Sept 2025 |
| 10 | [Rsa Associates](https://firmfacts.co/company/rsa-associates-08482500) | Chepstow | £230k | FY to Mar 2026 |

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Updated 2026-11-04 from the latest filed accounts at Companies House (Open Government Licence v3.0). Page: https://firmfacts.co/blog/biggest-finance-and-payments-companies-in-wales