Sign up for a free webinar to learn major changes that simplify this rule in the USRP.LEARN MORE
Certain COVID-19 payroll reporting rules have ended and others will follow.LEARN MORE
California Workers’ Compensation Aggregate Medical Payment Trends – Updated through Calendar Year 2020READ MORE
Watch Bill Mudge and his colleagues discuss how the WCIRB embraces human connectedness.Watch Videos
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.