English translation for convenience. The German version is authoritative.
1. Controller
Mario Hudelist
Heartcore Jiu Jitsu
Liniengasse 14/1
1060 Vienna, Austria
+43 677 61488394
mario.hudelist@heartcorejiujitsu.at
heartcorejiujitsu.at
2. General information
We process personal data where necessary to operate this website, communicate, arrange trial classes and administer memberships, or where another legal basis applies. The relevant framework includes the GDPR, the Austrian Data Protection Act and, where applicable, the Telecommunications Act 2021.
3. Hosting and technical access data
This website is hosted by Vercel, Inc. Requests may involve processing IP addresses, timestamps, requested pages, browser and operating system information, referrer URLs and technical status information. This supports secure and reliable operation on the basis of our legitimate interests under Article 6(1)(f) GDPR.
Vercel may use service providers and infrastructure outside the EEA. Its data processing terms describe the applicable safeguards, including Standard Contractual Clauses where relevant. Vercel data processing terms · Vercel privacy notice
4. Contact and trial classes
When you contact us by phone, email or WhatsApp, we process the information you provide, such as your name, contact details, preferred class date and message. We use it to handle your enquiry and, where applicable, take pre-contractual steps under Article 6(1)(b) GDPR. Other correspondence may be based on our legitimate interests under Article 6(1)(f) GDPR. Your first trial class is free.
The website itself has no contact form and stores no booking data. You send any message yourself in your chosen communication service.
5. WhatsApp
We use ordinary external WhatsApp links only. No WhatsApp widgets or scripts load when you visit the website. Clicking a link takes you to an external service, whose own privacy terms also apply. WhatsApp is optional; you may contact us by phone or email instead.
6. Social media and maps
Instagram, Facebook and Google Maps are provided as links only. No feeds, social media plugins or interactive maps load automatically. A connection is made only when you activate a link. The relevant provider’s privacy information also applies to subsequent processing.
7. Cookies, analytics and tracking
The website itself sets no cookies and uses no local storage for visitor tracking, analytics or marketing services. There is no Meta Pixel, Google Analytics or embedded advertising. Language is determined by the URL. Fonts and logo files are served locally.
8. Memberships
When entering into and administering a membership, we process necessary contract data. This may include name, address, contact details, date of birth where required, membership type, start date, term and payment or billing information. Legal bases include Article 6(1)(b) GDPR for the contract and Article 6(1)(c) GDPR for legal obligations. This website does not offer online contract signing or payment.
9. Photos and videos
Training or event images are published only on an appropriate legal basis. Consent is obtained separately where required. For minors, the necessary consent of parents or legal guardians is taken into account. The current graphic placeholders do not depict real people.
10. Recipients and transfers
Where necessary, hosting, IT, communications, payment, bookkeeping or tax advisory providers may receive data. Processors are engaged under Article 28 GDPR. Transfers outside the EEA for which we are responsible are subject to Articles 44 et seq. GDPR.
11. Retention
Data is deleted when no longer needed for its purpose, unless legal retention duties or legitimate reasons such as establishing or defending legal claims require longer storage. Documents subject to statutory retention requirements are kept for the legally required period.
12. Your rights
Subject to the applicable legal conditions, you have rights of access, rectification, erasure, restriction, portability and objection. You can withdraw consent with effect for the future. Contact Mario Hudelist using the details above to exercise your rights.
13. Right to complain
If you believe your data has been processed unlawfully, you may complain to a competent supervisory authority, including the Austrian Data Protection Authority. Austrian Data Protection Authority
14. Security and changes
Appropriate technical and organisational measures help protect personal data. The website uses HTTPS for encrypted transmission. This notice is updated when the website, services or legal requirements change.
Last updated: September 2026