The EFC Legal and Fiscal Country Profile, 2015 for Portugal explains tax relief given to corporate donors that support foundations.
Calculation of the tax incentive: Donations are regarded as a cost for the donor. The calculation of this cost varies depending on the status and purpose of the organization to which the donation is granted. It ranges 130% of the monetary value of the donation (when made to a foundation working in the field of culture)
The Portuguese Foundation for Communications (FPC) has a status of public utility: Link here
Find the full link for information on donations to foundations in Portugal Here