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

1,048 Profile Views

Kenny Swaniawski

Feb 05, 2026

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

Solid experience overall with the law firm of Jonas Trevethan. They know Labor and Employment Law - Management inside and out and gave me great advice. Very helpful and got the job done exactly as the...

Kristina Morissette-Fay

Feb 05, 2026

Jonas Trevethan did a great job handling my complex Labor and Employment Law - Management case from start to finish

Jake Halvorson

Feb 05, 2026

Excellent legal representation provided by Jonas Trevethan for my Labor and Employment Law - Management case

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...

Luther Davis

Feb 05, 2026

Jonas Trevethan did a great job handling my complex Labor and Employment Law - Management case from start to finish

I appreciate how Jonas Trevethan handled my case. No fluff, just straight to the point and very effective representation for my Labor and Employment Law - Management matter. They are obviously very ex...

Eva Towne

Feb 05, 2026

The absolute best in Irvine for Labor and Employment Law - Management - and I mean that from the bottom of my heart

Short and sweet: Jonas Trevethan is the real deal and a true professional in the field of Labor and Employment Law - Management. If you're in Irvine and need help with your legal issues, call them imm...