| Company | Timeline | Status | |
| Wormald Engineering Limited Director • Corporate Chairman | 29 Dec 1991←1 Year 2 Months→8 Mar 1993 | Active | |
| Tyco Fire & Integrated Solutions (UK) Limited Director • Corporate Chairman | 16 Jun 1991←4 Months→30 Oct 1991 | Active | |
| Tyco Holdings (U.K.) Limited Director • Corporate Chairman | 23 May 1991←1 Month→27 Jun 1991 | Active | |
Wormald Industrial Property Limited Director • Corporate Chairman | 18 Jan 1991←1 Year 3 Months→4 May 1992 | Dissolved | |
| Wormald Holdings (UK) Limited Director • Corporate Chairman | 11 Jan 1991←2 Years 1 Month→8 Mar 1993 | Dissolved | |
| Atlas Fire Engineering Limited Director • Corporate Chairman | 11 Jan 1991←9 Months→30 Oct 1991 | Dissolved | |
| Tyco Fire Products Manufacturing Limited Director • Company Chairman | 1 Jan 1970←23 Years→8 Mar 1993 | Active | |
