| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Adiuri Systems Ltd | 04546912 | 16/05/2004 | Dissolved |
| CATALYST TRIPOS LIMITED | 06383247 | 27/09/2007 | Dissolved |
| CATALYST VENTURE PARTNERS LIMITED | 03820008 | 05/08/1999 | One Red Flag |
| Catalyst Equity Investment Network | 04682129 | 11/03/2003 | Dissolved |
| MARION MILNE PRODUCTIONS LIMITED | 06218648 | 18/04/2007 | Silver |
| MILNE TURNER DEVELOPMENTS LTD | 13526575 | 23/07/2021 | Bronze |
| RUFFENA VENTURE FINANCE LIMITED | 11890316 | 19/03/2019 | Dissolved |
| TRANSCRIPTOGEN A LTD | 08719375 | 04/10/2013 | Dissolved |
| The Marshfield Ice Cream Co Ltd | 03454954 | 06/11/1997 | Dissolved |
| The Marshfield Ice Cream Co Ltd | 03454954 | 06/11/1997 | Dissolved |
| VERT MOTION LIMITED | 08174387 | 09/08/2012 | Dissolved |
| Vienna Communications Ltd | 04582301 | 31/01/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CATALYST BUSINESS FINANCE LIMITED | 08230044 | 08/11/2012 | 23/10/2015 | Insolvent |
| CATALYST IFG LIMITED | 07330350 | 17/12/2010 | 12/06/2013 | Dissolved |
| ENVIRONMENTAL RECYCLING SYSTEMS LIMITED | 06538001 | 29/04/2009 | 10/02/2010 | Dissolved |
| FINAL TOUCH PRODUCTIONS LTD. | 02248562 | 01/03/1995 | 27/09/1999 | Dissolved |
| FINAL TOUCH PRODUCTIONS LTD. | 02248562 | 27/09/1991 | 27/09/1999 | Dissolved |
| MENTORING PLUS BATH AND NORTH EAST SOMERSET LTD | 05589316 | 10/05/2010 | 30/10/2018 | Gold |
| TRANSCRIPTOGEN LTD | 08461104 | 29/06/2013 | 15/06/2017 | Amber |
| XYLOTEK LTD | 11568279 | 24/11/2021 | 31/05/2024 | Insolvent |
| ZYSTUR LIMITED | 06443188 | 09/09/2009 | 10/02/2010 | Dissolved |