| Aspect | Aon Hewitt | Mercer |
|---|
| Primary Services | Employee benefits, HR consulting, retirement solutions | Health benefits, talent management, investment consulting |
| Work Environment | Global HR and benefits consulting firm | Global HR and health benefits consulting firm |
| Certifications | Certifications in HR, benefits, and actuarial fields | Certifications in HR, health benefits, and actuarial fields |
Both Aon Hewitt and Mercer are leading global HR consulting firms specializing in employee benefits and talent management. While they share similar credentials and work environments, Aon Hewitt is more focused on retirement and risk solutions, whereas Mercer emphasizes health benefits and talent strategies. Understanding these differences helps organizations choose the right partner for their HR needs.