Best Personal Trainers & Fitness in Brentwood, CA (2026)

Last updated March 2026 2 businesses ranked

Finding a reliable fitness provider in Brentwood, CA can be challenging. With so many options available, it helps to have a curated list of the top-rated businesses based on real customer reviews and verified online presence. We analyzed Google reviews, ratings, and AI visibility scores to rank the best personal trainers & fitness businesses serving Brentwood and surrounding areas. Each business on this list has been evaluated for quality of service, customer satisfaction, and overall trustworthiness.

Top 2 Personal Trainers & Fitness in Brentwood

1

Ultimate Performance Personal Trainers Los Angeles, Brentwood

5 (431 reviews) AI Score: 40

With a 5-star rating across 431 reviews, Ultimate Performance Personal Trainers Los Angeles, Brentwood is one of the highest-rated personal trainers & fitness businesses in Brentwood.

Services: Personal Training, Group Fitness Classes, Strength Training, Cardio Training, and more
2

Crossfit Trivium

5 (80 reviews) AI Score: 40

With a 5-star rating across 80 reviews, Crossfit Trivium is one of the highest-rated personal trainers & fitness businesses in Brentwood.

Services: Personal Training, Group Fitness Classes, Strength Training, Cardio Training, and more

How We Ranked These Personal Trainers & Fitness

Our rankings are based on a combination of factors designed to surface the most trustworthy and visible businesses:

Browse More in Brentwood

All Personal Trainers & Fitness in Brentwood Plumbers in BrentwoodElectricians in BrentwoodHVAC in BrentwoodRoofers in Brentwood

Own a personal trainers & fitness business in Brentwood?

Claim your free listing and start getting found by customers and AI assistants.

Claim Your Listing