| Company | Timeline | Status | |
| The Lenkiewicz Foundation Secretary • Administrator | 25 Apr 2008←17 Years→Current | Active | |
| Barbican Rooms Limited Secretary • Administrator | 25 Apr 2008←17 Years→Current | Active | |
| Seven Queens Gate Limited Secretary • Unreported | 1 Mar 2005←3 Years→8 Jan 2009 | Active | |
| Residents Management Company (Queensgate) Limited Secretary • Unreported | 12 Dec 2000←8 Years→17 Sep 2009 | Active | |
