Discover Boston’s Best Boutique Gym

Fit man drinks water after training while laughing with a successful personal trainer.

Elite coaches are redefining the fitness scene in the Back Bay

CLIENTEL3 is changing the fitness game in Boston by offering an innovative and comprehensive fitness experience with World-Class personal trainers.

The success of our trainers is based on our core values of Community, Character, and Commitment; therefore, all our members are proud to embrace fitness as something bigger and more significant than just going to a gym.

Two men carry weights during workout session at a fitness studio with red bricks wall.

Exclusive Equipment

We deliver a wide range of elite services, including one-on-one personal training, small-group classes, and fitness specialty training.

Also, At Clientel3, we are familiar with all inquiries and specific requirements from our members.

We encourage everyone to ask and speak freely about their doubts or expectations.

The Most Luxurious Studio in Boston.

Our facilities are designed to make every person feel unique and comfortable in a welcoming boutique studio with lots of free space, light, and privacy.

A Premier Fitness Journey

It all starts with our complimentary introductory session.

Before joining our community, all candidates must have a free consultation with one of our team members at the studio.

This is a key step for setting up everyone for success because our dedicated team will listen to your ideas and validate your aspirations to create a plan designed just for you and your body.

In conclusion, this visit is the perfect opportunity for us to learn about any previous fitness experience and understand your concerns to help you visualize your goals. At the same time, you get to see our studio. 

Two fit men watch a private boxing class in a bright-private fitness studio.

Personal Training Services

We have exactly what you need to make your fitness goals happen.

Our studio is equipped with strength and power measuring systems like the Proteus Motion for top-performing athletes.

Over the years, we have learned what is essential and what’s not for a successful integral workout routine.

That’s you will only find carefully selected pieces and top-notch equipment you won’t find in any other fitness studio in Boston.

Red-haired woman looks at her coach with respect while working out with group people lifting kettlebells.

Unique Fitness Community In Boston

We have clients from all walks of life with different goals and expectations, inspired to have healthier lives and fully functional, strong bodies.

They trust us to guide them in attaining optimal health and wellness as they share with like-minded people with the same passion.

At Clientel3, everyone has a different journey and personal goals in health, and they make our fitness center a safe and friendly place to find motivation, support, and success.

Book your Complimentary Introductory Session today.