After having completed the construction of the new Cascais Hospital building through "Teixeira Duarte - Engenharia e Construções, S.A.", its subsidiary TDHOSP, S.A. contracted with the Portuguese State a 30-year concession for the management of that building.

TDHOSP - Gestão de Edifício Hospitalar, S.A." is a company whose purpose is the management of the Cascais Hospital for a period of 30 years, including the activities of conception, design, construction, financing, conservation and maintenance.

The construction was carried out by "Teixeira Duarte - Engenharia e Construções, S.A." and concluded in February 2010, with TDHOSP focusing its activity on the management and maintenance of the hospital building, as well as the management and operation of the respective car park, which has been successfully completed since then.

In 2018, Teixeira Duarte sold 90% of the share capital of this subsidiary, in which it currently holds 10% of its share capital.