- S.Com Group Plc
- S.N.G Recruitment Limited
- S&L Personnel
- Sabik Consultants
- Sable & Proctor Recruitment Ltd
- Sacco Mann
- Safehands
- Safehands Recruitment
- Safehands Recruitment
- Saffron Consulting
- Sales Pro Consulting Limited
- Sales Training And Recruitment Specialists
- Salesforce Recruitment
- Samuel Lord
- Sanctuary Personnel
