| Company | Timeline | Status | |
| CH2M Hill One Limited Director • Solicitor | 11 Jun 2020←5 Months→30 Nov 2020 | Dissolved | |
| CH2M Hill Holdings Limited Director • Solicitor | 11 Jun 2020←5 Months→30 Nov 2020 | Active | |
| Halcrow Management Sciences Limited Director • Solicitor | 10 Jan 2020←10 Months→30 Nov 2020 | Dissolved | |
| Halcrow Rail Approvals Limited Director • Solicitor | 3 Jun 2019←1 Year 7 Months→5 Jan 2021 | Dissolved | |
| Halcrow Water Services Limited Director • Solicitor | 3 Jun 2019←1 Year 9 Months→16 Mar 2021 | Dissolved | |
| Crouch Hogg Waterman Limited Director • Solicitor | 3 Jun 2019←1 Year 7 Months→5 Jan 2021 | Dissolved | |
| Burderop Investments Limited Director • Solicitor | 3 Jun 2019←1 Year 9 Months→16 Mar 2021 | Dissolved | |
| Yolles Partnership Limited Director • Solicitor | 3 Jun 2019←1 Year 9 Months→16 Mar 2021 | Dissolved | |
| Halcrow Staff And Services Director • Solicitor | 3 Jun 2019←1 Year 7 Months→5 Jan 2021 | Dissolved | |
| CH2M Hill Europe Limited Director • Solicitor | 3 Jun 2019←1 Year 6 Months→30 Nov 2020 | Active | |
