| Company | Timeline | Status | |
| D Walsh Consultancy Services Limited Director • Managing Director | 7 Jun 2021←3 Years→25 Jun 2024 | Dissolved | |
| Lean Enterprise Research Centre Limited Director • Managing Director | 4 Mar 2019←2 Years 3 Months→15 Jun 2021 | Dissolved | |
| Making Lean Work Ltd Director • Director | 5 Aug 2009←16 Years→Current | Active | |
