| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| WPP | Company | Media | United Kingdom | 25-Nov-2015 |
| Tudor Rose | Small or Medium-sized Enterprise | Media | United Kingdom | 17-Jan-2012 |
| Wasserman Experience Ltd | Small or Medium-sized Enterprise | Media | United Kingdom | 10-Oct-2011 |
| Forster Communications | Small or Medium-sized Enterprise | Media | United Kingdom | 12-Jul-2007 |
| Salterbaxter, an MSL Company | Small or Medium-sized Enterprise | Media | United Kingdom | 16-May-2005 |
| RELX plc | Company | Media | United Kingdom | 23-Jan-2003 |
| Pearson plc. | Company | Media | United Kingdom | 26-Jul-2000 |