| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHL 2022 LIMITED | 02836732 | 21/12/2020 | Amber |
| COLLABORATIVE PRINCIPALS GROUP LTD | 14443941 | 26/10/2022 | Bronze |
| CONRAN AND PARTNERS LTD. | 02354408 | 10/03/2014 | Bronze |
| CONRAN INK LIMITED | 00951349 | 22/03/2021 | Dissolved |
| CONSEQUENTIAL ROBOTICS LIMITED | 09299166 | 06/11/2014 | Silver |
| MARKER BLOCK LTD | 01917610 | 31/12/1991 | Silver |
| SEBASTIAN CONRAN ASSOCIATES LIMITED | 08131470 | 05/07/2012 | Not Trading |
| SEBASTIAN CONRAN ASSOCIATES LLP | OC364981 | 26/05/2011 | Dissolved |
| THE CONRAN FOUNDATION | 02333772 | 31/01/1991 | Amber |
| THE DESIGN MUSEUM | 02325092 | 19/11/2008 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIKE REPUBLIC LIMITED | 03623058 | 01/02/2016 | 12/06/2020 | Insolvent |
| BRYANSTON SCHOOL | 00226143 | 19/11/2011 | 16/03/2024 | Bronze |
| D&AD | 00883234 | 14/09/2006 | 15/09/2009 | Silver |
| DESIGN MUSEUM ENTERPRISES LIMITED | 02330977 | 23/12/1993 | 31/12/2005 | One Red Flag |
| THE DESIGN MUSEUM | 02325092 | 05/12/1992 | 31/12/2005 | Silver |