| Company | Timeline | Status | |
| McQuillan Companies Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| McQuillan Quarries Ltd Director • Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| Patterson Outdoor Cleaning Solutions Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| McQuillan Envirocare Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| Edentrillick Quarries Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| McQuillan Developments Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| McQuillan (Skip Hire) Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
| John McQuillan (Contracts) Limited Director • Company Director | 2 Apr 2024←1 Year 6 Months→Current | Active | |
