• C&M Travel Recruitment
• CMS Distribution
• CPL Recruitment (CPL Group)
• CPM Group
• CSC Partners Recruitment
• Calor Gas
• Camden Recruitment Partners
• CarTrawler
• CareBright
• Carechoice Group
• Careerwise Recruitment
• Carlton Hotel Blanchardstown
• Carnegie Court Hotel

• Carraig Donn
• Castleknock Hotel & Country Club
• Castletroy Park Hotel
• Celestica
• Central Remedial Clinic
• Centric Health Group
• Charles River Laboratories International
• Charleville Park Hotel
• Charlotte Tilbury Beauty
• Cheshire Ireland
• City Wonders
• Claire's Accessories
• Clanwilliam Health

• Claran Consultants
• Clarity Recruitment
• Clayton Hotel Ballsbridge
• Clayton Hotel Burlington Road
• Clayton Hotel Cardiff Lane
• Clayton Hotel Cork City
• Clayton Hotel Galway
• Clayton Hotel Limerick
• Clayton Hotel Silver Springs
• Clayton Hotel Sligo
• Cocoon Childcare
• Cognizant
• Compass Group PLC

• Computershare Limited
• Concentrix - (SYNNEX Corporation)
• Concern Worldwide
• Connect Recruitment
• Connolly Motor Group
• Cook Medical
• Cornhouse Consulting Limited
• Cowley Brown Recruitment
• Cregg Group
• Crewit Resourcing
• Crossell
• Crowne Plaza Dublin Airport
• Cubic Telecom