| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SOUTHPORT ACCOUNTANTS LTD | 🇬🇧Regno Unito | Active | 31/03/2026 – present |
| Person with significant control | SOUTHPORT ACCOUNTANTS LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Officer | LANCASHIRE DRIVING LTD | 🇬🇧Regno Unito | Active | 11/02/2026 – 02/06/2025 |
| Person with significant control | MELISSA HOWARTH LLP | 🇬🇧Regno Unito | Proposal to strike off | 20/06/2024 – present |
| Person with significant control | AIRFIELD RESEARCH GROUP LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | HOWARTH CONSULTING LTD | 🇬🇧Regno Unito | Active | 25/06/2024 – present |
| Officer | AIR WATER TREATMENT GROUP (2007) LTD | 🇬🇧Regno Unito | Dissolved | 09/06/2026 – present |
| Officer | IMTECHTRA LTD. | 🇬🇧Regno Unito | Dissolved | 12/05/2026 – present |
| Officer | SECRET INSPECTIONS LTD | 🇬🇧Regno Unito | Dissolved | 13/05/2026 – 20/10/2013 |
| Officer | NJF CONSULTANCY LIMITED | 🇬🇧Regno Unito | Active | 24/05/2026 – 04/11/2011 |
| Officer | CORONA ESTATES LIMITED | 🇬🇧Regno Unito | Active | 01/06/2026 – 07/05/2009 |
| Officer | LAND CONTROL LIMITED | — | Dissolved | 02/06/2026 – present |
| Officer | HOWARTH CONSULTING LTD | 🇬🇧Regno Unito | Active | 11/02/2026 – present |
12/05/2026
England → United Kingdom
02/06/2025
resigned
11/02/2003
appointed