| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRITISH TEXTILE TECHNOLOGY GROUP | 00155873 | 01/08/1996 | Dissolved |
| SDF REALISATIONS (2013) LIMITED | 02337403 | 05/04/2001 | Dissolved |
| The Scottish College of Textiles | SC012414 | 26/01/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCED ENERGY MONITORING SYSTEMS LIMITED | 01589111 | 30/09/1992 | 05/02/1993 | Not Trading |
| APPLIED ENZYME TECHNOLOGY LIMITED | 02966552 | 08/03/2000 | 15/06/2001 | Strike Off |
| AQUA ENVIRO LIMITED | 03609558 | 05/02/1999 | 15/12/2004 | Dissolved |
| BHR GROUP LIMITED | 02420351 | 01/04/1992 | 31/12/2010 | Dissolved |
| BRITISH TEXTILE TECHNOLOGY GROUP | 00155873 | 26/01/2000 | 04/11/2005 | Dissolved |
| BTTG LIMITED | 04628697 | 17/02/2003 | 04/11/2005 | Silver |
| BTTG LIMITED | 04628697 | 17/02/2003 | 22/12/2010 | Silver |
| BTTG TESTING & CERTIFICATION LTD | 04669650 | 23/05/2003 | 01/02/2004 | Silver |
| CHILDREN'S HEART SURGERY FUND | 08152970 | 23/07/2012 | 28/11/2014 | Silver |
| Exxpress Technology Ltd | 02242258 | 30/09/1992 | 21/01/1993 | Dissolved |
| FOUNDATION FOR WATER RESEARCH | 00525927 | 08/11/1992 | 31/03/1994 | Amber |
| GELECTRIX LIMITED | 03236565 | 08/03/2000 | 03/05/2002 | Dissolved |
| GROUNDWORK ENVIRONMENTAL SERVICES (LEEDS) LIMITED | 02947274 | 10/08/2007 | 01/08/2010 | Gold |
| THE LEEDS GROUNDWORK TRUST | 02064992 | 07/06/2005 | 05/06/2015 | Bronze |
| UNIVERSITY OF LEEDS INNOVATIONS LIMITED | 01002075 | 01/01/1998 | 31/03/2003 | Dissolved |