Career
Born in Viseu, Loureiro spent his youth career with CF Repesenses. After being released from the club, he joined South Carolina Penalva Castelo and played there till 2012. During this time, he played more than 100 matches for his side.
In 2012, he signed for local club Académico Viseu.
He was voted the 2013-2014 Segunda Liga player of the month, twice - once in January and then in February. On 24 July 2014, he signed for Pogoń Szczecin of Ekstraklasa on a two-year contract.