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Fittar

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Fittar is the innovative platform that helps people get and stay fit through a new category of fun gamified workouts.


By combining body-movement with gaming, exercising becomes more fun. Adding social challenges and workouts will help us to become the leading platform for exergaming. Fittar is breaking the gridlock by offering people a new category of fun, gamified workouts. This unprecedented experience seduces even the greatest laggards to keep on playing. By making it easily accessible to consumers and businesses, Fittar’s ambition goes beyond the current home gym market.

Tatsujin MMA

Since 1987 Martijn de Jong mastered multiple Martial Arts such as Japanese Jiu Jitsu, Kyokushinkai Karate, Brazilian Jiu Jitsu, Shooto, Dutch Kickboxing, Judo, Wrestling and Submission Fighting.

Because of his technical approach of Mixed Martial Arts during his active fighting career, he was given the nickname ‘The Specialist’. When he started his own academy, he called it “Tatsujin Dojo” which means “The Gym of The Specialist” in Japanese. Tatsujin Dojo produced many regional and even world champions like: Alistair Overeem, Marloes Coenen, Marcin Prachnio, Vincent Latoel, Anthony Engelen, Siyar Bahadurzada to name a few.

Since 2015, Martijn de Jong educated over 1400 trainers in South East Asia. He is the co-founder of Glory. The biggest Kickboxing organization in the world today.

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Investing in Valencia

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Welcome to Investing in Valencia, your trusted source for high-quality commercial properties in the Netherlands and apartments in Spain that are available for rent. We specialize in providing outstanding rental properties to tenants and offer comprehensive services to ensure that your experience with us is as smooth and hassle-free as possible.


Our team of experienced real estate professionals has an in-depth understanding of the Dutch and Spanish rental markets, enabling us to offer expert guidance to both tenants and investors. We work closely with our clients to identify the best properties for their needs and provide comprehensive support throughout the rental process.

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