Defense Advocacy law firm

D.A. Firm

Our firm works with major insurance companies, third party administrators, and employers, providing aggressive defense of workers’ compensation matters.


(909) 775-5171


 3200 Guasti Rd. Suite 100 Ontario CA 91761

D.A. Firm is a full-service defense firm that specializes in workers’ compensation defense. Our clients come from all business sectors, insurance companies and third-party administrators. We pride ourselves on responsive communication and aggressive defense. Our service is centered around fearlessly defending our clients’ interests and nurturing meaningful client relationships. We will provide the highest level of customer service to our clients during every stage of the file-handling process.

Who We Support

We are passionate about giving back to the community and have partnered with these organizations to provide donations and support.

Doves of Big Bear Valley

Community’s Child

Contact Us

Get in touch to learn how we can put our experience to work for you.