| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | JOHNO RAIL LIMITED | 🇬🇧Regno Unito | Dissolved | 09/04/2026 – present |
| Officer | D JOHNSON MECHANICAL SERVICES LTD | 🇬🇧Regno Unito | Active | 26/03/2026 – present |
| Officer | MOBILITY ASSIST LTD | 🇬🇧Regno Unito | Dissolved | 30/04/2026 – present |
| Officer | MORGAN CASTELL LTD | — | Dissolved | 20/04/2026 – present |
| Officer | JOHNSONS ELECTRICAL SERVICES LIMITED | 🇬🇧Regno Unito | Dissolved | 26/04/2026 – present |
| Officer | DENM JOHNSON LTD | 🇬🇧Regno Unito | Dissolved | 06/05/2026 – present |
| Officer | DMJ HEATING SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/05/2026 – present |
| Officer | DJ GAS & HEATING LIMITED | — | Dissolved | 19/05/2026 – present |
09/05/2026
Wales → England
06/05/2026
England → Wales
21/05/2012
appointed