Ash Lewis personal trainer

Ash Lewis

Lewis PT Cardiff
Hampton Road, Cardiff
Exercise Referral, Nutrition, Weight Management, Suspension Training, Kettlebells, Circuit Training, Fitness for Children


My name is Ash and I am Cardiff based personal trainer and a co-owner of The Colosseum Gym, Cardiff's premier strength and conditioning facility. I have been working in the fitness industry for over a decade, from gym management, to coaching fitness classes and personal training. I am an exercise referral instructor, taking care of people with medical conditions that could be improved through exercise, and I am also a children's fitness coach, who helps children develop a strong base for sports by introducing exercise into their development whilst teaching them how to train safely and effectively.

I recognise that everyone is an individual and will require a bespoke programme and approach to exercise. Working with my clients I will put together a personalised programme and offer nutrition advice to ensure each client is training efficiently based on their personal goals. 

I am passionate about my profession. I take a non-judgemental approach and take great pride in helping people achieve their goals. It is my job to ensure you have access to the correct information, helping you understand training and nutrition principles so when our time together is done you will have the knowledge to be successful without 1-on-1 guidance.


  • Fitness Instructor Level 2
  • Children’s Fitness Instructor Level 2
  • Advanced Fitness Instructor Level 3
  • Nutrition and Weight Management Level 3
  • Personal Trainer Level 3
  • Exercise Referral Level 4
  • Circuit Instructor Qualification
  • Boxfit Qualification
  • TRX Instructor Qualification
  • Kettlebell Instructor Qualification
  • First Aid Qualification

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