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Personal trainers in Brentwood

World-class personal training that delivers results in the heart of Brentwood

Train in a private, results-driven gym on Wilshire Boulevard. Our Brentwood personal trainers specialise in health and body transformations for professionals, creatives, and high achievers who want elite coaching, total accountability, and visible results.

Our private 3,000 sq ft facility is built for focus, intensity, and discretion. No crowds. No classes. Just one-to-one personal training programs with expert coaches who are incentivised on helping you achieve life-changing outcomes.

One-to-one training in a private gym
World-class private gym in Brentwood, built purely for results
One-to-one training in a private gym
One-to-one coaching with elite personal trainers
One-to-one training in a private gym
Bespoke training and nutrition tailored to your goal
One-to-one training in a private gym
Expert guidance and support 7 days a week
One-to-one training in a private gym
UP Transform app to track progress with measurable results

Why train at Ultimate Performance Brentwood?

Brentwood attracts clients who care deeply about how they look, how they perform, and the standard of service they receive. Many of our clients work in law, medicine, real estate, or the film and entertainment industry, and they expect precision, discretion, and results.

The U.P. Method is built for this level of clientele. Our Brentwood trainers are incentivised and targeted on the one metric that matters – the quality of results they deliver for clients. When you train here, every detail is planned and managed for you, from training and nutrition to accountability and progress tracking. There is no guesswork and no wasted effort.

This is not a typical Los Angeles gym. There are no classes, no open gym access, and no distractions. It is a private, appointment-only space designed for one-to-one personal training, where every session is focused on improving body composition, performance, and health metrics.

One-to-one training in a private gym
Convenient for clients living in Brentwood, Santa Monica, and the surrounding Westside
One-to-one training in a private gym
A discreet, fully managed training environment for clients who expect elite standards
One-to-one training in a private gym
Private, by-appointment-only access for one-to-one personal training
One-to-one training in a private gym
On-site valet parking for seamless arrival and departure
Two men in a gym engaged in a sled push exercise, one pushing and the other bracing the sled on red gym flooring.

Is Ultimate Performance Brentwood the right gym for you?

We are the right fit if you want a results-driven personal training program and a professional coach who takes full responsibility for your progress. Our approach is made for:

One-to-one training in a private gym
Men and women who want to significantly improve body composition and maintain it long term
One-to-one training in a private gym
Professionals in law, medicine, real estate, and the entertainment industry who want elite coaching and total accountability
One-to-one training in a private gym
Clients who aren’t just driven by aesthetics but also want improvements in health markers such as blood pressure and bone density
One-to-one training in a private gym
People who have tried luxury gyms, group training, or private trainers without achieving the results they expected
One-to-one training in a private gym
Anyone looking for one-to-one personal training in a private Brentwood gym rather than a crowded or class-based facility
Woman doing lat pulldown exercise with trainer assisting her in a gym.

What you get with personal training at U.P. Brentwood

You get more than just personal training at U.P. Brentwood. You get expert coaching, daily accountability, personalised nutrition, and real-time data tracking – all built to make certain you see results that transform your body, health, and habits for life.

One-to-one training in a private gym
No crowds. No queues. Just focused sessions with your trainer in a professional, results-driven environment
Your own dedicated expert personal trainer
An expert coach selected for your goal – guiding every rep, every meal, and every decision with precision and accountability
A personalised training plan
Built from a 150-point lifestyle and body composition analysis on Day 1. Designed to match your body, lifestyle, and aesthetic goals
Bespoke nutrition plan and coaching
Personalised nutrition that supports body composition change, performance, and consistency – without the guesswork
Real-time progress tracking with 50+ metrics
From strength and body weight to recovery and stress – we track everything that influences results so progress is always measurable
Regular body composition analysis
Changes in body fat and lean muscle are tracked with scientific accuracy, keeping progress objective and transparent
Daily accountability and 7-day support
Trainer check-ins, coaching, and course correction beyond the gym – ensuring consistency even during high-pressure work periods
The UP Transform app
Stay connected with your trainer, track nutrition, and see your results clearly through data, photos, and trends

Real client transformations from Brentwood

The best way to understand what is possible at U.P. Brentwood is to see what our clients have already achieved. From visible body recomposition to improvements in strength and metabolic health, these results reflect what happens when elite coaching, structure, and accountability are applied consistently.

How it works

We make the process clear, structured, and predictable at our Brentwood gym. Here’s what to expect:

Step 1

Start with a personal consultation

Speak to an expert about your goals, learn how the U.P. Method works, and understand the results you can expect.

Step 2

Meet your dedicated trainer

We match you with a coach selected for their expertise, coaching style, and proven success delivering body composition results for clients in Brentwood.

Step 3

Get a personalised plan

Your trainer completes a detailed lifestyle and body composition analysis to shape the training and nutrition strategy for your body, lifestyle, and goal.

Step 4

Train with purpose

You’ll train one-to-one with your coach in our private Brentwood gym for around 3 hours a week for maximum efficiency.

Step 5

Track. Adapt. Succeed.

Your coach tracks more than 50 data points in real time and supports you 7 days a week beyond the gym, refining your plan to ensure consistent, measurable progress.

Our Brentwood gym

Our U.P. Brentwood gym is a private, fully equipped personal training facility located on Wilshire Boulevard. The space is designed exclusively for one-to-one personal training and detail-focused coaching. Every element is purpose-built to support focused training, visible body composition change, and a premium client experience.

Gym Details:

Location

11925 Wilshire Boulevard, Brentwood, Los Angeles, CA 90025


Opening hours

Monday – Friday: 06.00 – 22.00

Saturday: 07.00 – 15.00

Sunday: Closed

Flexible session times available.

Nearby parking

On-site valet parking – immediate access

Brentwood

Explore our world-class gym facilities

Our private personal training facility in Brentwood is designed to deliver maximum results. Every area is purpose-built for focused, high-quality coaching in an exclusive setting.

Facilities:

State-of-the-art strength training areas across two gym floors
Elite Watson, Atlantis, and Prime strength training equipment
Strongman equipment, including farmer’s walk, prowler, and sled
Outdoor training area for metabolic conditioning
Private consultation and assessment space
Body composition analysis suite
Sheltered, private parking for seamless arrival and departure
Supplements store
Shake bar
Changing rooms and shower facilities
Climate-controlled training environment

Brentwood client reviews

5.0

(Based on 432 Google reviews)

Daniel Reardon
I worked with U.P. for about nine and a half months, from January 2024 to October 2024. During that time, my trainer helped me reach my goal of reversing a declining trend line in my health...
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Mike B
I was assigned my P.T. by chance, and I couldn’t have been luckier. As someone new to personal training, I didn’t know what to expect...
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Nikita X
I highly recommend Ultimate Performance Brentwood’s training program! Not only has it helped me get into the best shape of my life, but it has also educated me...
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Matthew Sillaman
I can’t say enough good things about my time at U.P. especially working with my personal trainer. He exceeded all my expectations and helped me achieve results I didn’t think were possible...
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Patrick Nally
I’ve had a great overall experience training at U.P. Since I started, I’ve lost over 30 lbs and reduced my body fat by about 40%...
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Julian Yakoo
I’ve been working with U.P. for a while now, and the results have been fantastic. My trainer has tailored a program to fit my goals and pushed me...
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Mark Birnbaum
My trainer at U.P. Brentwood has taken me from a lazy undisciplined overweight 47- year-old who’s never really worked out in his life…
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Yayala Marks
Nothing compares to the degree of service and support at U.P. I joined U.P. desperately to lose weight. I let them know my concerns and they paired me with the best trainer...
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S
Efficient outsized results: The answer to the question of why would you invest this amount of money?! There is no true magic. You have to do the hard work. The "magic" is in their system, expertise, controls, and data. It's analogous to going to the Mayo Clinic for a major medical issue except this is for body transformation and general health. Results you won't achieve on your own.
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Mark B
My trainer has taken me from a lazy, undisciplined overweight 47-year-old who’s never really worked out in his life…. to a lean strong, never-been-in-better-shape, healthier version of me ever! Also because of the style of workout with BOTH diet AND exercise, for the first time in my life I actually ENJOY working out. Im now one of those people in a good way!
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Lalit Kundani
Nothing is more valuable than your health. UP Fitness easily is one of the hardest things I have ever done in my life and yet the best decisions I have ever made. I am the strongest I have ever been in my life, the most energetic I have ever felt, the happiest that I can remember. The scary part is UP reminds you that this is just the beginning, there are no upper limits.
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Courtney Brindle
After many failed attempts of getting in shape on my own, I realized the missing piece: Accountability. Ultimate Performance takes you every step of the way, from strength training, to meal planning, to check-ins, to an app with updates on your progress and connection to your trainer. I don't have to think about counting reps, or trying to figure out what my body is responding to, or even figuring out a workout plan - all of it is done for you.
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Frequently asked questions

What makes U.P. different from other personal trainers in Brentwood?

At U.P. Brentwood, you are not just buying training sessions. You are committing to a results-driven system led by elite coaches who are selected and rewarded based on outcomes.

We track more than 50 data points each week to guide training, nutrition, and recovery, all within a private, appointment-only gym environment. The focus is on measurable body composition change, not generic workouts or short-term fixes.

How much does personal training at Ultimate Performance Brentwood cost?

Everything at U.P. Brentwood is tailored to you, including the price. Your investment depends on how often you train, your availability, and the results you want to achieve.

During your consultation, we will explain the options clearly and provide a bespoke quote based on your goals. This includes coaching, nutrition, body composition analysis, progress tracking, and ongoing accountability.

 Do you offer a consultation before joining?

Yes. Every prospective client is offered a complimentary, no-obligation consultation.

You will tour the Brentwood facility, meet the team, and speak with an expert about your goals and challenges. The purpose is to give you clarity on the process and whether U.P. is the right fit.

How long does it take to see results?

Most clients begin to see measurable changes within the first 2-4 weeks. Improvements in body composition, strength, and confidence often follow quickly once consistency is established.

Exact timelines depend on your starting point and goals, which are discussed in detail during your consultation.

Is the Brentwood gym open to the public or members?

No. U.P. Brentwood is a private, appointment-only facility.

There are no memberships, no open gym access to the public, or no busy classes. Every session is delivered one-to-one in a focused environment.

Is this only for aesthetic goals?

No. While body composition change is a major driver in Brentwood, many clients also want measurable improvements in health, performance, and confidence.

At U.P., aesthetics and health are treated as complementary outcomes of a structured, well-managed process.

Can I train around injuries or medical conditions?

Yes. Our coaches are experienced at adapting training around injuries, limitations, and medical considerations.Your program is built around what you can do safely based on your fitness level and ability, with the aim of improving strength, resilience, and confidence over time.

Ready to start your transformation in Brentwood?

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