| Company | Timeline | Status | |
| Biwater Gauff (Tanzania) Limited Secretary • Unreported | 20 Feb 2003←20 Years→12 Feb 2024 | Active | |
| Biwater International Limited Secretary • Unreported | 1 Aug 1992←31 Years→27 Mar 2024 | Liquidation | |
| Biwater Operations Limited Secretary • Unreported | 1 Jul 1992←3 Years→8 Jan 1996 | Dissolved | |
