| Company | Timeline | Status | |
| Mulholland Maxus Limited Director • Director | 25 Aug 2025←5 Months→Current | Active | |
| Simba Developments No.2 Limited Director • Director | 3 Sep 2024←1 Year 4 Months→Current | Active | |
| JMM Rally Cars Limited Director • Director | 19 Aug 2024←1 Year 5 Months→Current | Active | |
| Simba Developments No.1 Limited Director • Director | 4 Jan 2021←5 Years→Current | Active | |
| Mulholland Motor Exchange Limited Director • Unreported | 20 Dec 2019←6 Years→Current | Active | |
| John Mulholland Motors Limited Director • Managing Director | 14 Aug 2019←6 Years→Current | Active | |
