| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Covent Garden Books Ltd | 01993204 | 31/01/2002 | Dissolved |
| D K Direct Ltd | 02382702 | 31/01/2002 | Dissolved |
| Dk Interactive Learning Ltd | 01891561 | 31/01/2002 | Dissolved |
| Dorling Kindersley Adult Ltd | 01811318 | 31/01/2002 | Dissolved |
| Dorling Kindersley Cartography Ltd | 02733005 | 31/01/2002 | Dissolved |
| Dorling Kindersley Children's Ltd | 01784713 | 31/01/2002 | Dissolved |
| Dorling Kindersley Education Ltd | 02592817 | 31/01/2002 | Dissolved |
| Dorling Kindersley France Ltd | 03922173 | 31/01/2002 | Dissolved |
| Dorling Kindersley Publishing Ltd | 02848769 | 31/01/2002 | Dissolved |
| Dorling Kindersley Quest Ltd | 03217249 | 31/01/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACACIA INTERACTIVE LIMITED | 03020442 | 31/01/2002 | 18/08/2005 | Dissolved |
| BOOKS PLUS LIMITED | 03406797 | 21/03/2006 | 31/12/2006 | Dissolved |
| CHILDREN'S CHARACTER BOOKS LIMITED | 05032989 | 18/04/2005 | 31/12/2006 | Amber |
| DORLING KINDERSLEY FAMILY LEARNING LIMITED | 02623194 | 31/01/2002 | 18/08/2005 | Dissolved |
| DORLING KINDERSLEY LIMITED | 01177822 | 10/05/2000 | 18/08/2005 | Bronze |
| DORLING KINDERSLEY VISION LIMITED | 01641954 | 31/01/2002 | 18/08/2005 | Not Trading |
| FUNFAX LIMITED | 02060097 | 31/01/2002 | 18/08/2005 | Not Trading |
| HENDERSON PUBLISHING LIMITED | 02340839 | 31/01/2002 | 18/08/2005 | Dissolved |
| HUGO'S LANGUAGE BOOKS LIMITED | 00503652 | 31/01/2002 | 18/08/2005 | Not Trading |
| INDEX BOOKS LIMITED | 03772708 | 08/11/2005 | 31/12/2006 | Dissolved |
| OCTOPUS PUBLISHING GROUP LIMITED | 03597451 | 13/02/2007 | 31/12/2019 | Silver |
| PEARSON BOOKS LIMITED | 02512075 | 10/05/2000 | 18/08/2005 | Dissolved |
| PENGUIN BOOKS LIMITED | 00861590 | 03/03/1995 | 31/12/2006 | Gold |
| PENGUIN TELEVISION LIMITED | 03029140 | 20/12/2004 | 31/12/2006 | Dissolved |
| QUALITY BOOKS DIRECT LIMITED | 04888753 | 08/11/2005 | 31/12/2006 | Dissolved |
| ROUGH GUIDES LIMITED(THE) | 01969090 | 18/02/1999 | 31/10/2002 | Amber |
| Rough Guides Online Ltd | 03153915 | 18/02/1999 | 31/10/2002 | Dissolved |
| Rough Guides Television Ltd | 03153919 | 18/02/1999 | 31/10/2002 | Dissolved |
| SNOWMAN ENTERPRISES LIMITED | 01603770 | 03/05/2006 | 18/11/2007 | Gold |
| STRAND BOOKS LIMITED | 04635108 | 08/11/2005 | 31/12/2006 | Dissolved |
| Tigermill Ltd | 02322539 | 18/02/1999 | 31/10/2002 | Dissolved |