- Holiday Inn Abu Dhabi Downtown
- Holland & Tisdall
- Holron Consulting Ltd
- Holt Recruitment
- Home Angels Healthcare Services Ltd
- Home Instead Chelmsford
- Home Instead Senior Care
- Home Instead Senior Care Glasgow South
- Home Instead Senior Care High Peak
- Honeycomb PM
- Hope Recruits
- Hortor Ltd
- Hot Recruitment
- Hotelcare
- Housing and Care 21
- HR China International
- HR Dept
- HR Solutions (Consultancy) Limited
- HTS
- https://2-sec.com
- Hudson Cooper
- Hudson RPO
- Hudson Wells Associates
- Hudson Wells Associates
- Hudson Wells Associates Limited
- Human Consulting Group (UK) Ltd
- Human Enterprise Limited
- Human Resources Europe (HRE)
- Humanone
- Hunter Dunning Ltd