Johnny Jarvis Personal Trainer
The South’s premier face to face & online fitness trainer
I offer bespoke designed personal training programmes for individuals and couples. Whether you want to train in a luxury indoor facility or in the comfort of your own home Slim Gyms personal training has the answer.Slim Gyms gives the option to train in a private brand new state of the art gym, with toilet and shower facilities or to train online via zoom with little or no equipment.
- Gain Muscle
- Lose Fat
- Feel Great

New client offer £25.00
Offer Includes
A comprehensive consultation, an in-depth fitness assessment, and your very first personalised training session. This all-in-one package is designed to help us understand your goals, assess your current fitness level, and create a tailored plan to set you on the path to success.
Your Fitness Journey Starts Here
Whether you’re aiming to lose weight, build strength, or simply improve your overall health, we’re here to guide and support you every step of the way. Take the first step toward a stronger, healthier you today!

Take a look at what we have to offer here at Slim Gyms
About me
Hi, I’m Johnny – your expert trainer here at Slim Gyms Personal Training Southwick. I’m passionate about helping you achieve your fitness goals.
Online Training
Online Personal Training is a new and exciting way to offer Fitness Coaching and achieve life-changing transformation.
Photo Gallery
Discover Our Facilities and Community – View the Slim Gyms Fitness Studio Gallery
Hypoxi Vacunaut
HYPOXI enhances and accelerates your body’s natural fat burning system. Work smarter, not harder.

Start your fitness journey
We’re here to help you start your fitness journey and answer any questions you may have. Whether you’re ready to book a session, need more information about our services, or just want to chat about your fitness goals, we’d love to hear from you!