| Company | Timeline | Status | |
| Koppers UK Investments Ltd Director • Unreported | 1 Jan 2022←4 Years→Current | Active | |
| Koppers UK Holding Limited Director • Unreported | 1 Jan 2022←4 Years→Current | Active | |
| Koppers UK Transport Limited Director • Chief Financial Officer | 1 Jan 2022←4 Years→Current | Active | |
| Koppers UK Limited Director • Unreported | 1 Jan 2022←4 Years→Current | Active | |
