Ecuadorian Serie A

The Primera Categoría Serie A, simply known as the Serie A or the Primera A, is a professional football league in Ecuador. At the top of the Ecuadorian football league system, it is the country's premier football competition. Contested by sixteen clubs, it operates a system of promotion and relegation with the Serie B, the lower level of the Primera Categoría. The season runs from February to December and is usually contested in multiple stages. It is sponsored by beer company Pilsener and is officially known as the Copa Pilsener Serie A.