About
TriNet, based in Dublin, California, is a professional employer organization (NYSE: TNET) founded in 1988. The company provides full-service HR solutions for small and medium-sized businesses, combining payroll, benefits, risk management, and compliance on a single platform with access to experienced HR guidance. TriNet offers two primary options: TriNet PEO, a comprehensive HR solution covering payroll, benefits, and compliance, and HR Plus (ASO), a flexible suite of outsourced services for HR, payroll processing, and payroll tax compliance. Its industry-specific approach and expert support help organizations navigate complex federal, state, and local requirements and streamline daily HR operations.
As of 2025, TriNet serves more than 22,000 companies, processed approximately $70 billion in payroll across its solutions, and supported about 323,000 worksite employees as of 12/31/25. Credentials include continuous ESAC accreditation since 1995, an IRS-certified PEO designation held by a TriNet subsidiary, and BBB Accreditation with an A+ rating (as of 11/04/2025). In 2024, TriNet ranked #1 on Newsweek’s inaugural Excellence 1,000 Index.