Jonas Trevethan

4.5 (39 reviews )

Irvine California United States

Labor and Employment Law - Management Litigation - Labor and Employment

Recognized in Ones to Watch since 2026

714-641-5100 Website

About Jonas

Jonas Trevethan is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law - Management and Litigation - Labor and Employment.Jonas, who practices law in Irvine, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonas is held by other top lawyers in the same geographic and legal practice area.

Jonas Trevethan is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law - Management and Litigation - Labor and Employment.

Jonas, who practices law in Irvine, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonas is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Labor and Employment Law - Management

Litigation - Labor and Employment

Education

University of California Irvine

Awards & Recognition

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Reviews

4.5 / 5

39 Reviews

1,050 Profile Views

Nichole Schroeder

Feb 05, 2026

Great people who truly care at Jonas Trevethan - the best legal team in California

Everyone at Jonas Trevethan's office in Irvine was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like j...

Conrad Keeling

Feb 05, 2026

Would recommend Jonas Trevethan for sure to anyone in Irvine needing legal help

Just wanted to say a huge thanks to Jonas Trevethan and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their c...

Donald Schoen

Feb 05, 2026

Professional service and clear communication provided by Jonas Trevethan in Irvine

It's hard finding a reliable lawyer these days, but Jonas Trevethan in Irvine is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive,...

Cody Haag

Feb 05, 2026

Reliable lawyer you can count on - Jonas Trevethan provided excellent service throughout

I've worked with a few lawyers in Irvine over the years, but Jonas Trevethan stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt c...

Jeffery Emard

Feb 05, 2026

Would recommend Jonas Trevethan for sure to anyone in Irvine needing legal help

I wasn't sure who to call for my Labor and Employment Law - Management problem, but I'm so glad I went with Jonas Trevethan. They really listened to me and understood my situation. It was such a relie...