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

1,047 Profile Views

Sylvester Nicolas

Feb 05, 2026

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

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...

Kate Keebler

Feb 05, 2026

Highly recommend Jonas Trevethan for anyone needing expert Labor and Employment Law - Management help in California

I was really stressed about my case in Irvine, but Jonas Trevethan made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every detail w...

Earnest Jast

Feb 05, 2026

Highly recommend Jonas Trevethan for anyone needing expert Labor and Employment Law - Management help in California

Honestly, I can't thank Jonas Trevethan enough for everything they've done for me. They really know their stuff when it comes to Labor and Employment Law - Management and it shows in the results. 10/1...

Brandon Heathcote

Feb 05, 2026

So glad I called Jonas Trevethan to handle my Labor and Employment Law - Management case in Irvine

I've already told all my friends and family about Jonas Trevethan. If you need Labor and Employment Law - Management help in California, they're the ones to see without any doubt. They are local exper...

Dora Erdman

Feb 05, 2026

Solid work and professional service from Jonas Trevethan in Irvine for California residents

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...