| Função | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Dirigente | JOHNO RAIL LIMITED | 🇬🇧United Kingdom | Dissolvida | 09/04/2026 – presente |
| Dirigente | D JOHNSON MECHANICAL SERVICES LTD | 🇬🇧United Kingdom | Ativa | 26/03/2026 – presente |
| Dirigente | MOBILITY ASSIST LTD | 🇬🇧United Kingdom | Dissolvida | 30/04/2026 – presente |
| Dirigente | MORGAN CASTELL LTD | — | Dissolvida | 20/04/2026 – presente |
| Dirigente | JOHNSONS ELECTRICAL SERVICES LIMITED | 🇬🇧United Kingdom | Dissolvida | 26/04/2026 – presente |
| Dirigente | DENM JOHNSON LTD | 🇬🇧United Kingdom | Dissolvida | 06/05/2026 – presente |
| Dirigente | DMJ HEATING SERVICES LIMITED | 🇬🇧United Kingdom | Ativa | 09/05/2026 – presente |
| Dirigente | DJ GAS & HEATING LIMITED | — | Dissolvida | 19/05/2026 – presente |
09/05/2026
Wales → England
06/05/2026
England → Wales
21/05/2012
appointed