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Who Is the WCIRB?

The Workers' Compensation Insurance Rating Bureau of California (WCIRB) is California's trusted, objective provider of actuarially-based information and research, advisory pure premium rates and educational services integral to a healthy workers' compensation system.

As part of our mission, we have 4 strategic imperatives that drive the WCIRB's operations. These imperatives are:

  1. Enhance member insurer success by providing analytics and tools through active collaboration to facilitate decision making, identify emerging trends and understand system implications;
  2. Enhance greater efficiency in interactions among stakeholders through intelligent automation of data access, interconnection of systems platforms and furtherance of common operating standards;
  3. Advance the health of the workers' compensation system by conducting innovative research, expanding educational services and partnering in dynamic outreach; and
  4. Cultivate an environment where we thrive in active pursuit of our mission by engaging in spirited dialogue, connecting with our customers and colleagues, experimenting with new ideas and trusting and valuing each other

How the WCIRB Operates

The WCIRB is a California unincorporated, private, nonprofit association comprised of all companies licensed to transact workers' compensation insurance in California and has over 400 member companies. No public money is used to fund its operations. The operations of the WCIRB are funded primarily by membership fees and assessments. Click the link below to see the list of member companies.

The WCIRB employs approximately 200 people, and the office is located in Oakland, California. If you are interested in joining our dynamic team, visit our Job Opportunities page. 

The WCIRB and Workers' Compensation In California

To accurately measure the cost of providing workers' compensation benefits, the WCIRB performs a number of functions, including collection of premium and loss data on every workers' compensation insurance policy, examination of policy documents, inspections of insured businesses and test audits of insurer payroll audits and claims classification. 

For detailed information about the WCIRB's role in the workers' compensation system in California, view the WCIRB and Workers' Compensation In California module in the WCIRB Online Guide to Workers' Compensation.