Last updated 01 Oct 2009. Aon Limited is authorised and regulated by the Financial Services Authority in respect of insurance mediation activities only. FP5545
| Name | Position | Date Appointed |
| Paul Manduca | Chairman (non-executive) | 01 Jan 2006 |
| Robert Brown | Chief Executive Officer | 31 Mar 2009 |
| Mark Chessher | Chief Financial Officer | 30 Jan 2009 |
| Ron Amy | Director (non-executive) | 27 Sept 2007 |
| Richard Atkins | Director (non-executive) | 01 May 2009 |
| Simon Jeffreys | Director (non-executive) | 01 May 2009 |
| David Ledger | Director | 04 Mar 2008 |
| Robert Woods | Director | 31 Mar 2009 |
| Edward Cruttwell | Company Secretary | 26 Jun 2008 |