| Company | Timeline | Status | |
| Pressure System Integrity Limited Director • Engineer  | 19 Aug 2025←2 Months→Current  | Active  | |
| Michael Houghton Inspections Ltd Director • Inspection Engineer  | 15 Jun 2009←16 Years→Current  | Active  | |
| Michael Houghton Inspections Ltd Secretary • Unreported  | 15 Jun 2009←16 Years→Current  | Active  | |
