| Company | Timeline | Status | |
| Leeds Bronze Engineering Limited Director • Company Director | 23 Oct 2023←1 Year 7 Months→21 May 2025 | Active | |
| Calder Group Holdings Limited Director • Company Director | 1 Sep 2020←5 Years→Current | Active | |
| Calder Finco UK Ltd Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| Stamptree Limited Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| Calder International Holdings Limited Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| Calder Holdings Limited Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| Calder Group Limited Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| Calder Industrial Materials Limited Director • Company Director | 1 Sep 2020←4 Years→7 Jul 2025 | Active | |
| National Skills Academy For Nuclear Limited Director • President Power & Process Europe | 26 Mar 2009←3 Years→7 Feb 2013 | Active | |
| Nuclear Management Partners Limited Director • Director | 25 Mar 2008←4 Years→23 Jan 2013 | Dissolved | |
