The study, based on the Royalty Relief methodology and conducted in accordance with ISO 20671 and ISO 10668 standards, places EDP at a brand value of €3.161 billion, representing growth of 10.1 percent compared with the previous year, Executive Digest reports.

Galp ranks second with a brand value of €2.519 billion, an increase of 16.2 percent, and Jerónimo Martins places third at €1.890 billion, up 17.7 percent.

Financial and retail sectors

The financial sector recorded some of the highest growth rates in the ranking.

Caixa Geral de Depósitos and Millennium bcp each increased by 25.4 percent, while Fidelidade rose by 24.1 percent. Novo Banco and Banco BPI also recorded growth.

For retail brands, Worten grew by 27 percent, Continente by 22.8 percent and Sonae by 18.6 percent.

Energy and service sectors

According to the study, the energy sector remains the largest by total brand value. EDP and Galp are the only Portuguese brands with values above €2.5 billion.

TAP Air Portugal recorded the highest percentage growth in the ranking, increasing by 28.5 percent, and CTT also registered growth of 18.8 percent.

Food and healthcare sectors

In the food and beverage sector, Super Bock, Delta Cafés and Sagres retained their positions in the ranking while recording more moderate growth.

Healthcare brands also increased in value, with CUF and Luz Saúde both recording gains in the latest ranking.

The annual OnStrategy study assesses the financial value of Portuguese brands using the Royalty Relief methodology, which estimates brand value based on the hypothetical royalties that would be paid for the use of a brand under licensing conditions.