Gwilliam Ivary Chiosso Cavalli & Brewer

Law PracticeCalifornia, United States11-50 Employees

Gwilliam Ivary Chiosso Cavalli & Brewer is a Bay Area law firm focused on representing individuals in serious and complex personal injury, wrongful death, employment, and consumer law matters. The firm takes cases it believes in and is prepared to pursue to trial when necessary to secure favorable outcomes for clients. Over the years, it has achieved substantial results for clients, including multi-million-dollar verdicts or settlements in some cases. 

Based in Oakland, California, the firm traces its origins to the practice of founder Gary Gwilliam in the 1960s and was formally established in 1978. It operates as a midsize firm and relies on a broad referral network from other attorneys in California and across the United States. Recent activity includes the May 2026 addition of attorney Rya Nelson.

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