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    Martial arts

    The IT partner of the martial arts world

    We build, host and manage eleven martial arts platforms for Martial Arts Group, from Judo.nl and BJJ.nl to Kickboks.school. We bring that same expertise to your gym, club or federation.
    Book an introductory callor call +31 85 303 5869
    • 5.0 on Google (104 reviews)
    • 11 martial arts platforms live
    • Technology partner to MAG
    • Fixed monthly fee
    judo.nl
    Homepage of Judo.nl, the platform for judo clubs in the Netherlands that TRON Group builds and hosts

    The network

    From judo to eskrima: eleven platforms, one team behind them.

    Every sport has its own platform, with its own brand and audience. They all run on technology we build, host and manage. Click through and see for yourself.
    • Mobile homepage of Judo.nl: Judo clubs across the Netherlands, with class times and a free trial lesson.
      Judo.nl
    • Mobile homepage of BJJ.nl: BJJ schools, a beginner's guide and a library of techniques.
      BJJ.nl
    • Mobile homepage of Worstelen.nl: Every wrestling school, plus news, events and the competition rankings.
      Worstelen.nl
    • Mobile homepage of Kickboks.school: Kickboxing schools by province, with class times and trial lessons.
      Kickboks.school
    • Mobile homepage of Boks.school: Boxing schools across the Netherlands, from fitness boxing to competition teams.
      Boks.school
    • Mobile homepage of Kickboksen voor Vrouwen: Women-only training sessions at affiliated gyms.
      Kickboksen voor Vrouwen
    • Mobile homepage of Kickboksen voor Kinderen: Kickboxing classes for boys and girls aged six and up.
      Kickboksen voor Kinderen
    • Mobile homepage of Sambo.nl: The home of sambo and combat sambo in the Netherlands.
      Sambo.nl
    • Mobile homepage of Kung Fu Expert: Chinese kung fu styles explained, with the schools where you can learn them.
      Kung Fu Expert
    • Mobile homepage of Eskrima.nl: Filipino stick fighting and self-defence, with a page for each town and city.
      Eskrima.nl
    • Mobile homepage of Bokszak Training: Learn to box without sparring, at affiliated gyms.
      Bokszak Training
    1. Judo.nlJudoJudo clubs across the Netherlands, with class times and a free trial lesson.(opens in a new tab)
    2. BJJ.nlBrazilian Jiu-JitsuBJJ schools, a beginner's guide and a library of techniques.(opens in a new tab)
    3. Worstelen.nlWrestlingEvery wrestling school, plus news, events and the competition rankings.(opens in a new tab)
    4. Kickboks.schoolKickboxingKickboxing schools by province, with class times and trial lessons.(opens in a new tab)
    5. Boks.schoolBoxingBoxing schools across the Netherlands, from fitness boxing to competition teams.(opens in a new tab)
    6. Kickboksen voor VrouwenKickboxingWomen-only training sessions at affiliated gyms.(opens in a new tab)
    7. Kickboksen voor KinderenKickboxingKickboxing classes for boys and girls aged six and up.(opens in a new tab)
    8. Sambo.nlSamboThe home of sambo and combat sambo in the Netherlands.(opens in a new tab)
    9. Kung Fu ExpertKung fuChinese kung fu styles explained, with the schools where you can learn them.(opens in a new tab)
    10. Eskrima.nlEskrima, arnis & kaliFilipino stick fighting and self-defence, with a page for each town and city.(opens in a new tab)
    11. Bokszak TrainingHeavy bag trainingLearn to box without sparring, at affiliated gyms.(opens in a new tab)

    Technology partner to MAG

    Martial Arts Group puts it in its own logo.

    MAG helps federations, gyms, businesses and martial artists with marketing, management and a network that connects the sport. The technology underneath comes from us: the platform for each sport, martialartsgroup.com itself, and the hosting and management of the platforms. That is why MAG's logo carries the line: powered by TRON Group.

    Read the case studyOur partner page at MAG(opens in a new tab)
    Martial Arts Group logo with the line powered by TRON Group underneath

    What we run

    Everything we learned across eleven platforms, now for your gym.

    In the evening, people search their phones for a school nearby. That is what the network is built for.

    1. A brand of its own for every sport

      Judo.nl feels different from Kickboksen voor Vrouwen. Each platform has its own name, visual identity and tone of voice, all running on shared technology that we improve in one go.

    2. Get found in your own town

      A page for every town, old URLs kept or redirected during the move away from WordPress, and an llms.txt for AI search engines. Thousands of pages in total.

    3. Class times you can trust

      Schools, addresses and class times come from a single source and are updated every night on most platforms. Where a school offers it, you can book a trial class directly on the platform.

    4. Fast, secure hosting

      Pre-built pages on Cloudflare's global network: they load instantly on any phone, with no admin back end for attackers to find.

    For your gym

    All your gym's IT. One point of contact.

    You teach, we make sure everything else works. From your website to the Wi-Fi at the front desk.

    • A website that brings in trial classes

      Fast on every phone, with your class times, prices and a trial class visitors can book straight away. Built on what we learned across eleven platforms. Website design

    • A phone that always gets answered

      Parents call while you are on the mat. With business VoIP you forward calls to your mobile, a colleague or a voicemail that gives your class times.

    • Wi-Fi for the front desk, the mat and your members

      A stable network for your till and check-in, kept separate from the guest network for members and parents. Internet & Wi-Fi

    • Email on your own domain

      info@yourgym.nl instead of a free address, with Microsoft 365 or Google Workspace and protection against phishing.

    • Member data kept safe

      You store members' names, addresses and payment details, often for children too. We secure accounts and devices and help you comply with the GDPR. Cybersecurity

    • Front-desk hardware

      A front-desk PC, laptops for instructors or a screen showing your timetable: supplied, set up and managed. Hardware

    Who it's for

    The whole martial arts world, not just the gym.

    Gyms & clubs
    A website that brings in members, a phone that gets answered and Wi-Fi at the front desk.
    Federations
    Shared mailboxes and calendars, secure document storage and a professional website.
    Events & galas
    Stable on-site internet and telephony, plus an event website on reliable hosting.
    Fighters & athletes
    Your own website and domain, and a professional email address for sponsors.

    FAQ

    Frequently asked questions

    Run your gym on the technology behind the martial arts world.

    Book an introductory call or ring +31 85 303 5869. Together we look at your website, telephony, Wi-Fi and email, and put together a plan at a fixed monthly fee.

    A real person picks up.
    No phone menu, no ticket number.

    Book an introductory callSend a message
    Call nowBook a call