• H SAMUEL Jeweller
• HID Global Corporation
• HR and Talent Solutions
• HSS Hire Ireland
• HVAC Recruitment Ltd
• Hach Company
• Hakim Group
• Haleon
• Hanley Calibration Services Ltd.
• Hanley Energy

• Harcourt Hotel
• Harper Finley
• Harris Group
• Harvey's Point
• Haughey Recruitment
• Hayes Mechanical & Engineering
• Hays Specialist Recruitment
• Hayward Hawk
• Hayward Hawk Technology (Hayward Hawk Group)
• Henkel AG

• Heritage Homecare
• Hertz Car Sales
• Hibernia College
• Hibernia Home Care
• Highfield Professional Solutions Ltd
• Hiqa - Health Information and Quality Authority
• HireForce
• HireIQ
• Hired - Vettery
• Hobson Prior

• Hodson Bay Group
• Hogs & Heifers
• Holiday Inn Dublin Airport
• Honeywell
• Horizon Controls Group
• Horse Racing Ireland
• Hotel Doolin
• Howdens - Howden Joinery Limited
• Huawei Technologies Co. Ltd
• Hyper Recruitment Solutions