| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| British Newspaper Index Ltd | 02551301 | 12/02/2008 | Dissolved |
| Information Access Uk Ltd | 02721203 | 12/02/2008 | Dissolved |
| KOGAN PAGE LIMITED | 00905919 | 03/05/2024 | Bronze |
| MYLOREACH LIMITED | 03522537 | 08/07/2024 | Dissolved |
| Newspaper Archive Developments Ltd | 01517683 | 12/02/2008 | Dissolved |
| Research Publications Ltd | 03031087 | 12/02/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BILBARY LIMITED | 07599564 | 26/04/2012 | 29/05/2013 | Dissolved |
| CENGAGE LEARNING (EMEA) LIMITED | 00903535 | 12/02/2008 | 14/07/2009 | Silver |
| CENGAGE LEARNING UK HOLDINGS LIMITED | 01507017 | 12/02/2008 | 14/07/2009 | Bronze |
| DE EUROPE GROUP HOLDING LTD. | 11255619 | 14/03/2018 | 30/04/2018 | One Red Flag |
| GALE INTERNATIONAL UNLIMITED | 01035200 | 12/02/2008 | 14/07/2009 | Dissolved |
| Gale Research International | 02380446 | 12/02/2008 | 14/07/2009 | Dissolved |
| Graham & Whiteside | 03031591 | 12/02/2008 | 14/07/2009 | Dissolved |
| Harvester Press Microform Publications Ltd | 01378564 | 12/02/2008 | 14/07/2009 | Dissolved |