About

the confidence concept

At The Confidence Concept, we believe confidence is more than a feeling: it’s the foundation for everything you do. Here, we blend the power of Reformer Pilates in Amsterdam with a sense of community and an atmosphere that’s as stylish as it is supportive.

Our studio in Amsterdam is designed for people like you: ambitious, driven, and ready to invest in yourself. With our instructor-led Reformer Pilates classes, you’ll discover a workout that strengthens your body, improves your posture, and fuels your inner confidence. Every session is an opportunity to strengthen your body and boost your confidence, leaving you feeling refreshed and ready to take on the day.

But it doesn’t stop there. The Confidence Concept is also your go-to space for connection. Our coffee and matcha bar is the perfect place to unwind, catch up with like-minded people, and share stories that inspire.

We’re more than just a fitness studio. We’re a movement, empowering you to stand tall, own your strength, and walk through life with unstoppable confidence.

Join us. Reform Your Confidence. Be unstoppable
This is your confidence journey. Let’s make it unforgettable.

Mission

Our mission is simple: to help you tap into your full potential and own your power. At The Confidence Concept, we believe confidence is more than just feeling good: it’s about moving with purpose, making bold choices, and showing up for yourself every single day.

Our reformer pilates classes give you the space to build real strength. Inside and out. It’s your time to push limits, find your rhythm, and grow beyond what you thought possible.

We’re more than a place to work out. We’re a community where you can connect, recharge, and leave every session feeling like the best version of yourself. 

We welcome everyone

Whether you’re a Reformer Pilates pro or stepping onto the carriage for the very first time, you’re always welcome here. Join one of our classes or simply pop in for a coffee/matcha and a chat. Come experience our empowering, confidence-boosting atmosphere!

Your moment of the day

Start strong or unwind with intention. Our Reformer classes connect body and mind. Your daily reset, your time to grow. Stay for the movement, the energy, the feeling. Stay a little longer, if it feels right.

We grow together

At The Confidence Concept we want to be transparant and grow together. Join our journey in starting a brand from scratch.Confidence isn't always a direct.

Hi there,

First of all—thank you for being here and taking the time to learn more about The Confidence Concept. I’m Mangka, the founder, and confidence has always been a subject close to my heart. I believe confidence is your secret superpower: the key to unlocking your full potential.

For years, I tried to “crack the code” on confidence. Why is it that some days we feel unstoppable, and the next we doubt ourselves? Or that we can feel confident in one area of life, yet hesitant in another? What I’ve learned is that confidence grows each time you’re willing to try. Every step you take, no matter how small, strengthens it.

For me, Reformer Pilates became a powerful way to start my day grounded and connected to both body and mind. The more often I practiced, the more my confidence expanded. It shifted my focus from judging my body purely on appearance to truly appreciating what it is capable of.

With The Confidence Concept, my goal is to give every person who walks through our doors a boost of confidence, one that lasts far beyond the boutque. If you see me around, please come say hi! I’d love to hear your ideas on how we can make this boutique the very best experience for everyone.

With love,


Mangka

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Ready to get stronger this November?
Join The Confidence Challenge — 12 classes in 29 days to build strength, focus, and confidence.