| Company | Timeline | Status | |
| Carlmark Limited Director • Director | 21 Mar 2024←1 Year 9 Months→Current | Active | |
| Buxton Water Ltd Director • Director | 21 Mar 2024←1 Year 9 Months→Current | Active | |
| Killingley Holdings Ltd Director • Director | 5 Dec 2023←2 Years→Current | Active | |
| Eyam Sports Association Limited Director • Retired | 22 Jul 2021←4 Months→17 Dec 2021 | Converted/Closed | |
| N T Killingley Ltd Director • Managing Director | 1 Nov 2004←21 Years→Current | Active | |
| Killingley Management Ltd Director • Landscape Architect | 4 Oct 1995←30 Years→Current | Active | |
