| Company | Timeline | Status | |
| Sian Lewis Consulting Ltd Director • Market Research Consultant | 6 Sep 2024←1 Year 1 Month→Current | Active | |
| Brains And Cheek (London) LLP Designated LLP Member • Unreported | 17 Feb 2018←7 Years→Current | Active | |
| Brains And Cheek (London) LLP Designated LLP Member • Unreported | 17 Feb 2018←6 Years→31 Aug 2024 | Active | |
