Ultimate Performance
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Step foot in an Ultimate Performance gym, or work with us online and your whole perception of personal training will change. We eliminate self-imposed barriers, to help you achieve a level of health and wellbeing you never thought possible, no matter your starting point. We are your partner and coach, supporting every aspect of training and nutrition, and have guided thousands of clients globally to life-changing results.

Our commitment is to maximise your time efficiency, optimise your health and deliver quantifiable return on your investment. Whether you want to transform your body or lay foundations for lifelong health, we know how to make it happen, and will move heaven and earth to ensure we do just that. If you have wasted years trying in vain to gain size - stop!
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Ultimate Performance was founded in 2009 by Nick Mitchell, widely regarded as one of the world's foremost personal trainers and body composition experts. The business was born from Nick's vision to create a place where people knew they could train and get the results they wanted, and not the ineffectual 'fitness fluff' that pervaded the U.K. personal training industry at that time.
Founded on values of integrity, accountability and unwavering excellence, our singular focus is delivering a life-changing experience, world-class results and real return on investment for every client. Ultimate Performance are the pre-eminent personal trainers on the planet. No other fitness business comes close to competing with the scale, depth and consistency of incredible results we achieve with our clients.
Ultimate Performance offers the highest possible level of qualified, rigorously tested personal training. Each one of our trainers is distinguished by their ability to practice what they preach. They talk the talk and walk the walk, training themselves even harder than they train their clients, and living the healthy lifestyle we advocate for our clients.
Nothing else is as important. It's not about what your business actually does. In some respects it doesn't matter if you're selling widgets or helping people change their lives via Personal Training. Our culture is what has always set UP apart from every other business within the Personal Training industry.
A body composition specialist capable of getting his clients into their best ever shape in the quickest possible time. He is author to two books, The 12 Week Body Plan and The 6 Week Muscle Plan; the former being Amazon UK's number one fitness book for 2013 and a Top 100 Overall book for that same year, with the latter being the number one Amazon UK Kindle book.
Reviews (10)
Paulina Spencer-Lugtenburg
Paulina Spencer-Lugtenburg
Jan 28, 2022
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If you are hesitating, deliberating, mulling-it over- don't. Just sign up to UP now. I really regret not doing it sooner. It is THE best place to take your health and fitness seriously. The trainers are professional, knowledgeable and understanding. You WILL achieve the result you want (even if you don't fully believe it yourself). I was recommended UP by a work colleague three years ago and lament the fact I didn't sign up then. One colleague transformed herself after having children- from being obese to super slim and fit. Another colleague who was already very slim and sporty went to UP to discover
Rose Gordon
Rose Gordon
Jan 23, 2022
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My time at Ultimate Performance has been an incredible journey so far. My trainer immediately made me feel at ease and really took the time to explain everything thoroughly and understand my goals. Not only have I benefited physically, but the advantages of training at UP have significantly helped me mentally too. I’m so grateful for the constant support, advice and belief. It’s been worth every single penny!
Sean Stephens
Sean Stephens
Jan 21, 2022
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Signing up for Ultimate Performance is one of the best decisions I’ve ever made. The whole programme's far exceeded my expectations. The constant encouragement and guidance from my trainer - and his ability to push me to my limits, has been key to making the whole experience challenging, enjoyable, and dare I say it, life-changing.
Andreia Teixeira
Andreia Teixeira
Jan 04, 2022
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I cannot recommend UP enough. After struggling with my weight and confidence for a long time I decided to join UP and glad I did, changed my life. The results have been incredible and i'm only half way. Everyone there is great but My Trainer is amazing, he's been super supportive, motivating, funny, he's the best :)
It's a hard journey but a well worth one, no pain no gain right!!!
Gym facilites are great and easy to get to.
Thank you UP and my amazing trainer.
Waheed Aslam
Waheed Aslam
Dec 24, 2021
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I joined in October this year and can honestly say it was the best investment I have made in myself ever, I have been a member of various gyms in the past but none come close to the level of professionalism and quality of the trainers at U.P.
My coach has been extremely helpful in preparing me for the road ahead both mentally and physically. He was honest from day one with my current physical ability and has put in place a very structured approach for me to hit my goal. I am almost at the end of my first phase into the transformation, I have lost over 12kg and have noticed a huge difference in
Jennifer Smith
Jennifer Smith
Dec 19, 2021
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Can’t recommend Ultimate Performance enough. If you want to make a change, get fitter, lose weight and get stronger, go for it! From day one my trainer has been on my side, providing support and boosting my confidence in the gym, ensuring my form’s correct and building strength week by week. With support with my diet too, 10kg down in 11 weeks, exactly where I’d hoped to be but not where I would be if I’d not gone to UP!
Neil Frame
Neil Frame
Dec 01, 2021
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I've worked out off and on - with minimal results - over the years. Despite best intentions I've always gone through bursts of activity and motivation that promptly stop - either because I haven't been making good progress, so have given up, or because it's been going quite well and I've decided that I don't need to do it anymore... so have given up.
Training at UP over the last three months has opened my eyes to a better approach - one that works. My trainer's amazing - a mountain of a man who's part bodybuilder, part zen monk and who's been playing me like a fiddle (psychologically speaking
Joy Dariye
Joy Dariye
Nov 20, 2021
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I loved my experience with U.P. It was a re-orientation for me especially in terms of nutrition and understanding body composition. My trainer is AWESOME and was a perfect fit for me, he was as motivated as I was and overall supportive of my goals even post U.P. I hope I can look back over the years and note this program as the turning point for me, for my health & other parts of my life.
Although the cost is “above average” as are the results I would say. It’s an investment in health and hopefully with long term benefits that yield a higher return over time.
I highly recommend U.P. paired
Dom & Ink Dominic Evans
Dom & Ink Dominic Evans
Nov 02, 2021
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I started at UP around eight weeks ago and it's changed my life so much for the better. I have great communication with my trainer, who makes working out in a gym something I look forward to rather than dread. What I love about UP is that when you walk into the gym, there's a sense of community from the trainers to the clients, everyone is so friendly, there for the same goal and always there to motivate each other!
Training at UP has been life changing. It's given me confidence, more energy and helped me focus on my mindset and mental health.
Thank you UP and to my amazing trainer who is just
Furquan Akhtar
Furquan Akhtar
Oct 15, 2021
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I’ve never been a gym person and like many people I struggled with weight gain after lock down. I decided to do something more drastic and that’s what brought me to Ultimate Performance. It’s been a hugely transformative experience for me. My trainer is attentive and pushes me to achieve results with the tough love I needed! I feel confident in the gym now but more importantly in my everyday life too. The atmosphere and encouragement from all the trainers makes it a great place to work out. I’m looking forward to carrying on working out at UP City which has changed so much in my life by