Assert Fitness | Northumberland Fitness | Nutrition coaching | Group Training | Personal Training – Believe to Achieve

We Want To Help You Transform Your Body And Change Your Life

Experience the Assert Fitness difference and find out how guys and girls in Northumberland are losing weight, getting stronger, dropping jean sizes and feeling awesome with our affordable semi private and group training packages.

"When we can no longer change a situation, we are challenged to change ourselves." - Victor Frankl

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​We understand that you are busy. So we work hard to make our training systems the most impactful to fit into  your life in the shortest amount of time. Nobody wants to spend 2 hours in the gym, when they could spend half of that and get double the results. We focus on helping you move better, move more freely and get stronger. Our Training Programs are designed to be short and effective and burn anywhere between 500-1000 kcals without slogging it out for hours on the treadmill or elliptical trainer. Training can and should be fun, effective and exciting.



We’ll take your Nutrition from where it is now and teach you our 7 Foundation Nutrition habits showing you how to build these habits into your lifestyle long term. Nutrition can be overwhelming, there’s so many conflicting pieces of information. We’ll start where you are  and give you a straight forward and direct plan. We have 3 different levels of our nutrition program and you CAN absolutely get the results you desire without ever counting calories or being on a restrictive diet. We then progress you to a more advanced program to take your results to the next level.


Why don’t we call ourselves Personal Trainers? Truth is a Personal Trainer will do just that, give you a training program and a nutrition plan. Here’s where that falls short. We can give you the BEST Diet and Training program IN THE WORLD but if you’re unable to stick to it what’s the point. In our coaching we focus on helping you make switches to your lifestyle, meeting you where you are at and giving you a map to move forwards.  We understand that you may be stuck and so we help you release your brakes to success. Allowing you to make better choices and craft new habits. 

We are a results driven Training & Performance centre. To allow you to perform at your best & get the results you desire is about training and having a nutritional framework & a community to support you to realise your goals.


Angie Newby


Many people try exercise classes, have gym memberships or have had gym memberships they don’t use, go to local ‘Bootcamps’ or even try sub standard expensive personal trainers, and sure you may have had results for a short period of time, but long term you just seem to follow the same pattern And there’s reasons that I want to share with you and I will should you become a member. But these transformations are transformations that WILL stick. They’ve made a shift using our ‘MINDTransform’™ System which is a proven system for becoming later focused on your goals and making an internal switch.>So if you’re fed up on constantly trying to over rule your mind and battle with internal demons. Then our programs may be suited to you.

“Hard work will always beat talent when talent refuses to work hard.”


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