| Company | Timeline | Status | |
| Adaptis Trustees Limited Director • Chartered Accountant | 4 Aug 2025←2 Months→Current | Active | |
| Caldwell Penn Group Limited Director • Director | 17 Apr 2025←6 Months→Current | Active | |
| C Maclean & Associates Ltd Director • Chartered Accountant | 11 Jun 2012←29 Days→10 Jul 2012 | Dissolved | |
| Caldwell Penn Services LLP Designated LLP Member • Unreported | 29 Feb 2012←13 Years→Current | Active | |
| Penn Martin Limited Director • Managing Director | 11 Apr 2011←14 Years→Current | Active | |
| BBC Secretaries Limited Director • Accountant | 7 Aug 2003←22 Years→Current | Active | |
| Caldwell Penn Limited Director • Chartered Accountant | 5 Nov 1999←25 Years→Current | Active | |
