| Company | Timeline | Status | |
| Adlard Coles Limited Director • Production Director | 22 May 1991←10 Months→2 Apr 1992 | Active | |
| A. & C. Black (Storage) Limited Director • Publisher/production Director | 22 May 1991←10 Months→2 Apr 1992 | Active | |
| A. & C. Black (Distribution) Limited Director • Production Director | 22 May 1991←10 Months→2 Apr 1992 | Active | |
| F.Lewis,(Publishers),Limited Director • Production Director | 22 May 1991←10 Months→2 Apr 1992 | Active | |
| A & C Black Publishers Limited Director • Production Director | 22 May 1991←10 Months→2 Apr 1992 | Active | |
| A. & C. Black Limited Director • Publisher | 22 May 1991←10 Months→2 Apr 1992 | Active | |
