To file a complaint regarding a service provided or a product supplied by EST, you may use the contact details available on our website.
The company guarantees that all registered complaints will be answered within 15 working days.
Alternatively, you may also submit a complaint through the Online Complaints Book at www.livroreclamacoes.pt.
The Online Complaints Book aims to modernize and simplify the process of submitting and tracking complaints, which until 2017 could only be done through the physical Complaints Book.
For more information about the Online Complaints Book, please consult Decree-Law no. 74/2017.
