According to data published the regulator ANACOM, the figure stood at 4.3 million as of the end of Q1, or 153,000 more than 12 months earlier.
This growth was drive by FTTH, with the number receiving services over the technology increasing by 285,000 (+14.4%) to reach 2.3 million.
In Q1, FTTH accounted for 53.1% of pay-TV subscribers, followed by cable (30.5%), DTH (10.3%) and ADSL (6.1%).
In Q1, Meo had the most subscribers (40.3%), followed by Grupo Nos (38.5%), Vodafone (17.6%) and Nowo (3.5%), In the residential sector, Grupo Nos was in top spot (39.5%), followed by Meo (38.8%), Vodafone (17.9%) and Nowo (3.8%).
Meo and Vodafone saw their shares grow in the year to March 31 (+0.5pp and 1pp), while those of Nos Group (-1.2pp) and Nowo (-0.3pp) fell.
As of Q1, 93.7% of Portuguese homes received pay-TV services.
This was 5.2pp more than a year earlier.