• S&P Global
• SDCC. South Dublin County Council
• SEAI. Sustainable Energy Authority of Ireland
• SETU. South East Technological University
• SITA Company IT
• SPAR
• SRS Group Holdings
• SRS Standard Corporate Account
• SSA Recruitment Group
• STS Group
• Savvi Recruitment Limited
• Screwfix Direct Limited
• Search Talent People Limited

• Searsons of Baggot Street
• Sedgwick
• Select Tech Group
• Senitor IT Recruitment
• ServiceNow, Inc.
• Servisource - Servisource Recruitment
• Setanta Vehicle Sales Ltd
• Shaws Department Stores
• Shein
• Sheridans Cheesemongers
• Signa Care
• Silken Thomas
• Silverwood Recruitment

• Skillbase Group
• Sky Staffing Solutions
• Sligo University Hospital
• Smyth Recruitment
• Solas
• Solas IT Recruitment
• Soundstore
• South Dublin County Partnership
• South Infirmary-Victoria University Hospital
• Spectrum Health
• Sprout & Co Kitchen
• St Joseph's Foundation
• St Lukes General Hospital

• St. Aidan's Day Care Centre
• St. Christopher's Services CLG
• St. Luke's Radiation Oncology Network
• Staffline Recruitment
• Stafford Lynch
• State Street Global Advisors Ireland Limited (State Street Corporation)
• Stem Recruitment Partners
• Stewarts Care Ltd
• Sun Life Financial Group
• Synergy Recruitment
• Syntech Recruitment Ltd
• Sysco Foods Ireland
• syncreon America Inc