| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIOPRODUCT INNOVATIONS LIMITED | 06996066 | 20/08/2009 | Dissolved |
| Biofibre Europe Ltd | 04673111 | 20/02/2003 | Dissolved |
| Biofibre Ltd | 03888417 | 30/11/1999 | Dissolved |
| FOUNDATIONAL ECONOMY ALLIANCE WALES LTD | 13777168 | 02/12/2021 | Gold |
| Flax Cymru Cyf. | 03819254 | 30/07/1999 | Dissolved |
| Flax Cymru Cyf. | 03819254 | 30/07/1999 | Dissolved |
| Hemp Plastics (Uk) Ltd | 03956777 | 27/03/2000 | Dissolved |
| Hemp Plastics (Uk) Ltd | 03956777 | 27/03/2000 | Dissolved |
| J B Plant Fibre Enterprises Ltd | 03127578 | 03/11/1996 | Dissolved |
| Natilin Uk Ltd | 04996453 | 16/12/2003 | Dissolved |
| PLANT FIBRE TECHNOLOGY LTD | 05366383 | 16/02/2005 | Silver |
| SLING LIMITED | 04751023 | 03/03/2008 | One Red Flag |
| THE ALLIANCE FOR SUSTAINABLE BUILDING PRODUCTS LIMITED | 07980287 | 07/03/2012 | Gold |
| WFBP LIMITED | 06911284 | 01/04/2014 | Dissolved |
| WOODKNOWLEDGE WALES LTD | 04144000 | 24/02/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Biofibre Europe Ltd | 04673111 | 20/02/2003 | 21/01/2004 | Dissolved |
| RESOURCE EFFICIENCY SERVICES LGC LIMITED | 08277123 | 18/12/2012 | 28/06/2019 | Silver |