| Company | Timeline | Status | |
| Koppers UK Investments Ltd Director • Lawyer | 1 Mar 2020←5 Years→Current | Active | |
| Koppers UK Holding Limited Director • Lawyer | 1 Mar 2020←5 Years→Current | Active | |
| Koppers UK Transport Limited Director • Lawyer | 1 Mar 2020←5 Years→Current | Active | |
| Koppers UK Limited Director • Lawyer | 1 Mar 2020←5 Years→Current | Active | |
