| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | M AND J MOTORS NE LTD | 🇬🇧Regno Unito | Active | 16/03/2026 – present |
| Person with significant control | MIKEY O'BRIEN GARDENING LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Person with significant control | O'BRIEN CONTAINER STORAGE LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 19/10/2023 |
| Person with significant control | ASHVALE HAULAGE LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | MITRE MOTORS LTD | 🇬🇧Regno Unito | Dissolved | 26/06/2024 – present |
| Person with significant control | R.A.C.E CONTRACTS LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | CROSSCO (709) LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | TIMEC 1741 LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 26/10/2021 |
| Person with significant control | TIMEC 1742 LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 26/10/2021 |
| Person with significant control | CROSSCO (708) LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 18/10/2023 |
| Person with significant control | NATIONWIDE DEMOLITION & DISMANTLING LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 18/10/2023 |
| Person with significant control | MOB MOTORHOMES LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | M. O'BRIEN AGRICULTURAL LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | MOB AND ENEMY LTD | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | WELL BUILT DEVELOPMENTS LIMITED | 🇬🇧Regno Unito | Liquidation | 19/06/2024 – present |
| Person with significant control | WOODROW TRAINING LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | OUTLIER PERFORMANCE LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Officer | MITRE MOTORS LTD | 🇬🇧Regno Unito | Dissolved | 19/01/2026 – present |
| Person with significant control | M P LEISURE CARAVANS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | K-CAM SOLUTIONS LIMITED | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | M & S ENGINEERING CONSULTANCY LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | FEMALE PLEASE LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | O'BRIEN SERVICES (U.K.) LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | MOB WATERPROOFING LTD | — | Dissolved | 19/06/2024 – present |
| Person with significant control | UXWEB LIMITED | — | Dissolved | 18/06/2024 – present |
| Person with significant control | MICK O'BRIEN INDEPENDANT LOGISTICS LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | THE SPORTS COACHING APPRENTICESHIP TRAINING LIMITED | — | Dissolved | 18/06/2024 – present |
| Person with significant control | — | — | Active | 19/06/2024 – present |
| Person with significant control | HLN ENGINEERING LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | HLN ARCHITECTS (MIDLANDS) LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | C J PRYOR (HARLOW) LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | EURO MOTOR SERVICING LTD | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | THE MODEL TEAM LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | M. O'BRIEN (PLANT HIRE) LTD. | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | MITRE MOTORS LTD | 🇬🇧Regno Unito | Dissolved | 19/01/2026 – present |
03/06/2025
appointed
19/06/2024
England → Wales
08/01/2013
appointed