| Rank | Companies |
| 1 | ?What If! Ltd |
| 2 | Bain and Co Inc |
| 3 | Data Connection Ltd. |
| 4 | United Welsh Housing Association |
| 5 | Asthma UK |
| 6 | Beaverbrooks the Jewellers Ltd |
| 7 | Procter & Gamble UK |
| 8 | W L Gore & Associates (UK) Limited |
| 9 | Frontier Economics |
| 10 | Microsoft Ltd |
| 11 | Flight Centre (UK) Ltd |
| 12 | Diabetes UK |
| 13 | Rackspace Managed Hosting |
| 14 | Computer Futures Solutions |
| 15 | Centrica Business Services |
| 16 | Novo Nordisk Limited |
| 17 | Admiral Insurance Group Plc |
| 18 | Timpson Limited |
| 19 | Lansons Communications |
| 20 | Fishburn Hedges |
| 21 | St. Luke's Communications |
| 22 | Huxley Associates |
| 23 | Capital One Bank (Europe) Plc |
| 24 | KPMG |
| 25 | Morgan Stanley |
| 26 | FRC Group |
| 27 | London and Quadrant Housing Group |
| 28 | Friends of the Earth |
| 29 | Irwell Valley HA Limited |
| 30 | Goldman Sachs International |
| 31 | ISG InteriorExterior plc |
| 32 | Miles Calcraft Briginshaw Duffy (MCBD) |
| 33 | Faber Maunsell |
| 34 | ING Direct UK |
| 35 | Botanic Inns Limited |
| 36 | The Royal Society for the Protection of Birds |
| 37 | Merck Pharmaceuticals |
| 38 | Asda |
| 39 | Hilton UK & Ireland |
| 40 | Novartis Pharmaceuticals UK Ltd |
| 41 | Abbott Mead Vickers BBDO (AMV BBDO) |
| 42 | Lehman Brothers Inc |
| 43 | The Carphone Warehouse Group Plc |
| 44 | Activision |
| 45 | Guidant Corporation Limited |
| 46 | Wragge & Co LLP |
| 47 | American Express |
| 48 | Adnams Plc |
| 49 | Saatchi & Saatchi |
| 50 | Twin Valley Homes Limited |
