As businesses scale, HR tasks pile up: payroll errors, compliance risk, employee churn, and admin headaches. In 2025, HR outsourcing offers a strategic alternative: outsourced support that frees you to run your business smarter, not harder. What Is HR Outsourcing and the Key Models (PEO, ASO, HRO) HR outsourcing is when a company hires an external partner to handle some (or all) of its human resources functions. That could include payroll processing, benefits administration,