• Hartford Life Limited

• Hartley People

• Harvey Nash

• Hays Recruitment

• Hayward Hawk

• Headhunt International

• Helix Health

• Herbst Software Ltd

• Hermitage Medical

• Heystacks

• Hi-Tech Associates Ltd

• Hoist Group

• Home Instead Senior Care

• Horse Racing Ireland

• Horseware Products Ltd.

• HotSchedules

• HP|konnect

• HR Synergy

• HSE – Health Service Executive

• Hudson

• HW Search & Selection Ltd

• i-Enquire

• ICBF

• ICDS Recruitment Consultants