The Pilates Method, according to the new decree law that regulates Fitness, can only be given by professionals with the Professional Title of Physical Exercise Technician or DT.
https://ipdj.gov.pt/tecnico-de-exercicio-fisico
Lei n.º 39/2012
de 28 de agosto – artigo 11º
Lei n.º 9/2009
de 4 de março – artigo 5º
In the case of professionals who are citizens of a member state of the European Union or the European Economic Area and qualified outside Portugal.