The WCIRB looks at the two-year impact of California’s evidence-based drug formulary.Read the Research Brief
The Insurance Commissioner approved advisory pure premium rates that average $1.45 per $100 of payroll.View the Decision
See answers to your top questions, rules information and more in one place.VISIT WEB PAGE
Earn CompEssentials certification through online courses.Learn More
The Workers' Compensation Insurance Rating Bureau of California (WCIRB) is California’s trusted, objective provider of actuarially-based, research integral to a healthy workers’ compensation system.
We provide tools to help licensed agents and brokers serve their clients, and educational resources for employers to better understand California’s workers’ compensation system.