| Company | Timeline | Status | |
| D Quilliam Industrial Services Ltd Director • Managing Director | 9 Feb 2024←1 Year 5 Months→15 Jul 2025 | Dissolved | |
| Sani-Spray Clean Ltd Director • Director | 16 Sep 2020←1 Year 7 Months→3 May 2022 | Dissolved | |
| Quilliam Industrial Services Limited Director • Unreported | 30 Mar 2017←8 Years→Current | Active | |
Quilliam Inspection Services Limited Director • Director | 10 Oct 2013←3 Years→30 May 2017 | Dissolved | |
