Who operates Mestrium
- Owner: Harmonicode S.L.
- Spanish tax ID: B22588917
- Registered address: Calle Tagamanent, 9, 08396 Sant Cebrià de Vallalta, Barcelona, Spain.
- Registered with the Barcelona Companies Register.
- Email: hello@mestrium.com.
About this website
mestrium.com is an online academy selling video courses taught by creators selected by Mestrium. Course purchases are governed by the Terms of sale and the processing of your personal data by the Privacy policy.
Content and intellectual property
Mestrium is the academy operated by Harmonicode S.L. Ownership of the academy is separate from rights in the courses: authorship and rights in their content belong to their respective instructors and, where applicable, other identified rights holders. Publishing a course on Mestrium does not in itself transfer ownership to Harmonicode S.L. The content is protected by applicable rights and you may not copy, share, resell or publish it beyond the personal use permitted by the Terms of Sale or without the relevant permission.
Liability
Mestrium works to keep this website available and its information up to date, but cannot guarantee that it will always be free of errors or interruptions. Mestrium is not responsible for the content of other websites linked from this one.
Applicable law
This website is governed by Spanish law. If you purchase as a consumer, you retain the protection of the consumer laws of your country of residence.
Last updated: 29 October 2026.