A Professional Employer Organization (PEO) is an HR outsourcing firm that partners with businesses through a co-employment model. In this arrangement, the PEO shares certain employer responsibilities with your company, allowing you to offload tasks like payroll processing, benefits administration, workers' compensation, and HR compliance while you focus on running your business.
How Does Co-Employment Work?
Co-employment means both you and the PEO share employer duties. The PEO becomes the "employer of record" for tax filing and benefits purposes, while you remain the "worksite employer" responsible for managing employees' daily work. Your workers are still your employees in every practical sense. You hire them, direct their work, and make decisions about their roles. The PEO simply handles the administrative burden of employment.
What Services Does a PEO Provide?
- Payroll processing and tax administration
- Health insurance and retirement benefits (often at better rates due to pooled buying power)
- Workers' compensation insurance and claims management
- HR compliance guidance and policy development
- Employee onboarding and training support
- Unemployment insurance administration
PEO vs EOR: Key Differences
The biggest distinction is that a PEO requires you to have a legal entity in the country where you employ workers. If you are a US company wanting to hire in the US, a PEO works well. But if you want to hire in Germany without a German subsidiary, you need an EOR instead. PEOs operate through co-employment partnerships with existing businesses, while EORs serve as the complete legal employer for companies without local entities.
Is a PEO Right for Your Business?
PEOs are particularly valuable for small to mid-sized businesses that want enterprise-level HR capabilities without building an in-house HR department. If you already have an entity where your employees work and want to reduce administrative burden while potentially accessing better benefits rates, a PEO could be a smart choice. Companies typically see the most value when they have between 10 and 150 employees.