Members M
| M&G Investments |
| MacDonald Hotels & Resorts |
| Mace Ltd |
| Macfarlanes |
| The Maersk Company |
| Macquarie |
| Majestic Wine Warehouses Ltd |
| Management Development & Assessment |
| Marks & Spencer plc |
| Mars |
| Marsh UK Ltd |
| Martineau Johnson |
| Matchtech Group Plc |
| Mayer, Brown, Rowe & Maw LLP |
| Mazars |
| MBDA UK Ltd |
| McCann Erickson People Marketing |
| McDonalds Restaurants Ltd |
| McKinsey & Company |
| McQueen |
| Mercer HR Consulting |
| Merrill Lynch Europe plc |
| Metronet Rail |
| Metropolitan Police |
| MI5 |
| Micrologic |
| Microsoft |
| Midlands Co-operative Society Ltd |
| Mike Killingley |
| Milkround Online |
| Mills & Reeve |
| Ministry Of Defence |
| Mitchells and Butlers |
| Mitsubishi Electric Europe |
| Moloney Search Limited |
| Morgan Stanley & Co International Plc |
| Morley Fund Management |
| Motability Operations |
| Mott MacDonald Limited |
| Mourant Services Ltd |
| Mr Keith Bell |
| Mr Nigel Baglin |
| Mr Roly Cockman |
| MW Kellogg Limited |
