Members Q-S
| QAS Ltd |
| Q Graduate Solutions |
| QBE European Operations |
| QinetiQ |
| QS Limited |
| Quartet Research |
| Raleigh International |
| RBC Capital Markets |
| Real World Magazine |
| Reckitt Benckiser |
| RecruitActive Ltd |
| Redrow |
| Reed Business Information |
| Reed Smith Richards Butler LLP |
| Reef Design Management Limited |
| Renault UK |
| Research Machines plc |
| ResourceBank Recruitment Ltd |
| Rexam Plc |
| Rexec LLP |
| Reynolds Porter Chamberlain |
| Rolls-Royce Plc |
| Royal Bank of Scotland Group |
| RoyalBlue Financial Plc |
| Royal Mail |
| Royal SunAlliance Insurance Group Plc |
| RSM Robson Rhodes LLP |
| RWE npower |
| Saffery Champness |
| SAGRA |
| Saint-Gobain Building Distribution |
| Samantha Fox |
| Samworth Brothers |
| SAS Ltd |
| Sarnia Training Limited |
| Schlumberger |
| Schroders Investment Management |
| Scope |
| Scott Wilson Ltd |
| Scottish & Newcastle Plc |
| Scottish Power |
Scottish Water |
| SELEX Sensors and Airborne Systems Limited |
| Sellafield Ltd |
| Sembcorp Utilities (UK) Ltd |
| Severn Trent Water Ltd |
| Sheffield Hallam University |
| Shell International Ltd |
| SHL Group |
| Siemens Industrial Turbomachinery Ltd |
| Siemens plc |
| SIFE |
| Simmons & Simmons |
| SJ Berwin |
| Skanska |
| Skillsmart Retail |
| Sla-global Ltd |
| Slaughter & May |
| Smaart Publishing Ltd |
| Smith & Williamson |
| Smiths Aerospace |
| SMRS Ltd |
| Sodexho |
| Softcat Ltd |
| The Southwestern Company |
| Spring Group |
| Stafford Long & Partners Ltd |
| Standard Bank London Ltd |
| Standard Chartered Bank |
| Standard Life Assurance Company Step Enterprise |
| Stephenson Harwood |
| SThree |
| Strategis Ltd |
| Success Matrix |
| Sue Harding |
| Swiss Re |