| Company | Timeline | Status | |
| PJ Byrne Services Ltd Director • Accountant | 9 Nov 2005←20 Years→Current | Active | |
| Charlesland Property Development Limited Director • Accountant/company Secretary | 23 Nov 1991←2 Months→31 Jan 1992 | Active | |
| Charles Gregory (Civil Engineering) Limited Director • Accountant/company Secretary | 22 Nov 1991←20 Days→12 Dec 1991 | Dissolved | |
| Frederick Bowles Limited Secretary • Unreported | 22 Nov 1991←1 Year 11 Months→31 Oct 1993 | Active | |
| Charles Grip Surfacing Limited Secretary • Unreported | 21 Nov 1991←1 Year→26 Nov 1992 | Active | |
