| Company | Timeline | Status | |
| Patterson Outdoor Cleaning Solutions Limited Director • Director | 1 Nov 2018←6 Years→Current | Active | |
| McQuillan Envirocare Limited Director • Director | 1 Nov 2018←6 Years→Current | Active | |
| Edentrillick Quarries Limited Director • Director | 1 Nov 2018←6 Years→Current | Active | |
| McQuillan (Skip Hire) Limited Director • Director | 1 Nov 2018←6 Years→Current | Active | |
| John McQuillan (Contracts) Limited Director • Director | 1 Nov 2018←6 Years→Current | Active | |
