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Workers Compensation Insurance for California

At Preferred, you matter. We have been providing the Gold Standard of care for injured workers since 1998. Call 888-472-9001 to speak with one of our customer service team members.

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The Most Trusted Name in California Workers Compensation Insurance

We bring the right people together at the right time to deliver services that matter to our customers. Our success is measured by 90%+ customer retention and consistent financial performance.

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10,000+ California Customers Served

For over 25 years, we’re proud to have delivered exceptional service.

5,000+ Credentialed Physicians icon

5,000+ Credentialed Physicians

Our California Medical Provider Network (MPN) offers first-in-class medical care.

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140 of California’s Best Commercial Insurance Brokers

Preferred works directly with a semi-exclusive insurance broker network.

Millions of Dollars Saved Annually In Claims Costs and Premiums icon

Millions of Dollars Saved Annually In Claims Costs and Premiums

Our gold standard of care for injured employees helps employers save money.

The Preferred Workers Compensation Insurance Solution For California Employers

We focus on four key areas to bring you this solution.


Medical Resources

We are here for you. If you have suffered an injury at work, please notify your employer immediately and seek treatment as soon as possible. 

Workers compensation resources get the care you need

Get the care you need

Preferred Select MPN is California’s only directly-contracted, insurance medical provider network. All of our participating health care providers go through an extensive qualification process before they can join our “preferred” network.

Workers compensation Find a Doctor

Find a Doctor/Get Medical Access Assistance

Use our online search option or contact one of our Medical Access Assistants at 888-472-9001 to help you locate an MPN physician or schedule a medical appointment Monday through Saturday, 7:00 AM to 8:00 PM, PST.

Digital Claims Kit

Digital Claims Kit

Explore our digital claims toolkit for resources on getting started with a new policy, steps for if an injury on the job happens, and frequently asked questions.


Get the Tools You Need

Access our Business Resources Center for guidance on caring for injured workers, details on how we handle claims for injured workers, and for workplace safety and health resources.

Injured Worker Care

When a workplace injury occurs, find your one-stop, step-by-step resource guide for getting

your employee back to work and back to life.

Workplace Safety & Health

Our team of Risk Advisors help improve workplace conditions and prevent workplace injuries.

Explore our resource library categorized by industry.

“As a specialty workers compensation insurance company, we are in the workplace injury prevention and medical management business. We offer loss prevention advice and the tools needed to help identify workplace risks and prevent workplace injuries. When one of your employees does get injured on the job, we are right there to ensure that your injured employee gets quick access to the best medical professionals available in California.”


Eric Hansen


Senior Vice President, Preferred Employers Insurance

How can we help you?

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Review client status, submit new business, and learn about co-marketing opportunities.



Review policy details, file a claim, pay a bill, update payroll, and access workplace safety resources.



Learn about our innovative company culture where everyone matters. Explore current openings.

The Power of Berkley

Preferred Employers Insurance is one of the 55+ (re)insurance businesses worldwide that comprise the Berkley brand. Berkley is one of America’s largest commercial lines property casualty insurance providers, operating worldwide within two segments of the P&C insurance business: Insurance and Reinsurance & Monoline Excess. Each business offers expertise within an industry, product, or region.


Preferred Employers Insurance is a member of W. R. Berkley Corporation, a Fortune 500 company that is listed on the New York Stock Exchange and is part of the S&P 500. W. R. Berkley Corporation’s insurance company subsidiaries are rated A+ (Superior), Financial Size Category XV by A.M. Best Company and A+ (Strong) by Standard & Poor’s. Berkley’s competitive advantage lies in its long-term strategy of decentralized operations. This structure provides each Berkley business the agility of a small business—the ability to identify and respond quickly and effectively to changing market conditions and local customer needs. It also provides our Berkley businesses with the strength and resources of a Fortune 500 organization as well as the financial accountability and incentives to attract and retain the highest-caliber professionals.

The Power of W. R. Berkley The Power of W. R. Berkley