| Company | Timeline | Status | |
| C. & H. Quick-Mix Limited Director • Unreported | 1 Dec 2025←1 Month→Current | Active | |
| Tarmac (Tyttenhanger) Limited Director • Unreported | 30 Sep 2025←3 Months→Current | Active | |
| R.H. Roadstone Limited Director • Company Director | 30 Sep 2025←3 Months→Current | Active | |
| Island Barn Aggregates Limited Director • Company Director | 30 Sep 2025←3 Months→Current | Active | |
| Tarmac Services Limited Director • Company Director | 15 Sep 2025←4 Months→Current | Active | |
| Tarmac Holdings Limited Director • Company Director | 15 Sep 2025←4 Months→Current | Active | |
| Tarmac Building Products Limited Director • Company Director | 15 Sep 2025←4 Months→Current | Active | |
| Tarmac Trading Limited Director • Company Director | 15 Sep 2025←4 Months→Current | Active | |
| Tarmac Aggregates Limited Director • Company Director | 15 Sep 2025←4 Months→Current | Active | |
| Hollies (Barnt Green) Management Company Limited Director • Commercial Director | 16 Sep 2021←4 Years→Current | Active | |
