| Company | Timeline | Status | |
| Knauf Marmorit (UK) Ltd Director • Cfo | 26 May 2017←3 Years→31 Jul 2020 | Dissolved | |
| Richter System Limited Director • Director | 16 Mar 2017←3 Years→31 Jul 2020 | Dissolved | |
| Knauf Diy Limited Director • Cfo | 11 Jul 2016←4 Years→31 Jul 2020 | Dissolved | |
| Knauf Limited Director • Unreported | 11 Jul 2016←4 Years→31 Jul 2020 | Active | |
| Knauf (UK) Limited Director • Cfo | 11 Jul 2016←4 Years→31 Jul 2020 | Active | |
| Diamond Gypsum Wallboard Limited Director • Cfo | 11 Jul 2016←4 Years→31 Jul 2020 | Dissolved | |
