where it all began!

Defiant Martial Arts, which was previously recognised as RMNU (Robson Moura Nations United), was established in 2013 and has grown from strength to strength with each year that passes. Our students have grown to love the ethos of the Brazilian Jiu-Jitsu mentality and lifestyle that Defiant Martial Arts provides.

We believe that Brazilian Jiu-Jitsu can change lives and can have a positive impact on anyone!

The wide spread of Brazilian Jiu-Jitsu and Mixed Martial Arts was bound to have a direct impact in Northern Ireland and we welcome you to join the ever-growing art.

The Head Instructors have been training under a number of highly skilled and recognised Brazilian Jiu-Jitsu Black Belts passing on the principles and ethics instilled in them by their instructors.

At Defiant Martial Arts, we believe that hard work and a positive attitude are the key ingredients to a successful martial arts school. So when you attend our classes, the members are all respectful and always willing to help, with a great atmosphere that is both fun and engaging.

Don’t hesitate, as every martial artist will tell you they only wish they started earlier…


Discover how strong you are mentally and physically…

– Great cardiovascular exercise.

– Great for core strength, promoting overall stability and balance

 Empower yourself by learning how to defend yourself physically.

 Great way to relieve your daily stresses.

 An excellent way to make friends.

 Promotes an overall healthy lifestyle

 Provides the necessary motor skills that cause your brain and body to function in conjunction with each other

 Jiu-Jitsu is for everybody; it has no limits to age, gender, religion or physical limitations.

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Defiant Martial Arts | Brazilian Jiu Jitsu Belfast | BJJ Belfast | BJJ Newtownabbey
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