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Recruitment Agency

GroStaff

HR outsourcing provider offering PEO, ASO and HRO plans, payroll, benefits and workers' compensation

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About GroStaff

GroStaff is a human resources outsourcing company that takes over back-office people administration for employers. Its business address is in Santa Ana, California, and it offers plans that scale as a client's team grows.

Services

  • PEO: a co-employment arrangement suited to small and mid-sized firms, where GroStaff carries employer duties and compliance risk, with group-rate workers' compensation and benefits.
  • ASO: an administrative arrangement with no co-employment, suited to larger firms that arrange their own insurance.
  • HRO: HR services chosen individually to fit what a client needs.
  • Payroll: help with payroll, taxes and regulatory compliance.
  • Benefits: benefits packages arranged for employers of any size.
  • Workers' compensation: cover, claims administration and loss control, including safety programmes and OSHA compliance.

Clients

Employers from small companies to large enterprises. It also has plan options aimed at the cannabis sector.

Key facts

  • Based in: Santa Ana, California, USA
  • Delivery: cloud-based HR support

Profile written by TrustList from the business's own published information, Sep 2026.

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