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

1,051 Profile Views

Grace Schuppe

Feb 05, 2026

Five stars for the incredible team at Jonas Trevethan in Irvine - they are amazing

Jonas Trevethan is fantastic and very professional. Don't hesitate to hire them if you're in California and need help. They really know their stuff and will go the extra mile to make sure you're taken...

Carroll Quigley

Feb 05, 2026

Simply amazing representation from Jonas Trevethan's office during my recent legal matter

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...

Freda Sipes

Feb 05, 2026

Absolutely Great! I couldn't be happier with the service from Jonas Trevethan

Best lawyer for Labor and Employment Law - Management in Irvine. Period. I've seen others, but Jonas Trevethan is on another level. They truly care about their clients and work hard to get the best re...

Santos Baumbach

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...