| Company | Timeline | Status | |
| Barber Carter & Partners Ltd Director • Unreported | 1 Dec 2025←9 Days→Current | Active | |
| The James Hutton Institute Director • Director | 1 Jan 2021←1 Year 8 Months→30 Aug 2022 | Active | |
| Barber International Consulting Ltd Director • Director | 11 Oct 2018←7 Years→Current | Active | |
