| Rank | Companies |
| 1 | Danone |
| 2 | Baringa Partners |
| 3 | Impact International |
| 4 | NetApp UK Ltd |
| 5 | National Instruments Corp (UK) Ltd |
| 6 | Admiral Group Plc |
| 7 | Camco International Ltd. |
| 8 | Beaverbrooks the Jeweller |
| 9 | Lansons Communications |
| 10 | Diageo Great Britain |
| | Abbott |
| | AECOM (formerly Faber Maunsell) |
| | Bigmouthmedia ltd |
| | Bright Horizons Family Solutions Ltd |
| | British Gas Business |
| | British Gas Services |
| | BW Interiors Ltd |
| | Cadbury Plc |
| | Chiswick Park Enjoy - Work |
| | Cisco |
| | Coca Cola UK and Ireland |
| | Consolidated PR |
| | Danone Waters Uk Ltd |
| | FactSet Europe Ltd |
| | FedEx Express |
| | Fishburn Hedges Group |
| | Frontier Economics |
| | General Mills UK |
| | Happy Ltd |
| | Hartford Life Ltd |
| | Huxley Associates |
| | Innovex (UK) Ltd |
| | Irwell Valley HA Ltd |
| | IT Lab Ltd |
| | Kellogg's |
| | Ketchum |
| | London and Quadrant Housing Trust |
| | Maybourne Hotel Group |
| | McDonald's Restaurants Ltd |
| | Microsoft Ltd |
| | Oliver Wyman Leadership Development (formerly Academee) |
| | Paternoster |
| | Procter & Gamble UK |
| | Rackspace Hosting |
| | Taff Housing Association |
| | TDX Group Ltd |
| | The Co-Operative |
| | Totaljobs Group Ltd |
| | Waggener Edstrom Worldwide |
| | Wragge & CO LLP |
