| Company | Timeline | Status | |
| Elwa Limited Secretary • Unreported | 23 Dec 2002←18 Days→10 Jan 2003 | Active | |
| Biffa Argyll & Bute Holdings Limited Secretary • Unreported | 10 Oct 2001←7 Years→24 Oct 2008 | Active | |
| Biffa Argyll & Bute Ltd Secretary • Unreported | 10 Oct 2001←7 Years→24 Oct 2008 | Active | |
| Avondale Environmental Limited Secretary • Unreported | 30 Nov 2000←8 Years→14 May 2009 | In Administration | |
