Guinness J. Costello

Top rated Personal Injury attorney in Los Angeles, California

Gould Grieco & Hensley

Practice areas: Personal Injury

Licensed in California since: 2021

Education: University of San Diego School of Law

Selected to Rising Stars: 2026 - 2027

Gould Grieco & Hensley

700 Flower St
Suite 1000
Los Angeles, CA 90017

Guinness J. Costello is a top-rated attorney selected to Rising Stars for 2026 - 2027. He works at Gould Grieco & Hensley, located in Los Angeles, California, and provides legal services for issues involving Personal Injury - General: Plaintiff to the surrounding community.

Guinness Costello completed legal studies at University of San Diego School of Law and graduated with the class of 2019.

Only a limited number of attorneys from each state receive the Super Lawyers designation for any given year. The multi-factor selection process includes independent research, peer nominations and evaluations, as well as professional achievement in legal practice.