| Company | Timeline | Status | |
| McMillan Motorsport Holdings Limited Director • Director | 23 Dec 2024←10 Months→Current | Active | |
| 7 Racing Parts Limited Director • Director | 17 Jul 2020←2 Years 2 Months→4 Oct 2022 | Dissolved | |
| Redgate Serviced Offices Limited Director • Director | 14 Aug 2019←6 Years→Current | Active | |
| McMillan Alloys Limited Director • Company Director | 22 Jan 2013←2 Years 5 Months→16 Jul 2015 | Active | |
| McMillan Motorsport Limited Director • Race Preparation Specicalist | 21 Mar 2012←13 Years→Current | Active | |
