You can take a taxi outside the Airport towards the Officina Building - Real | Rua do Loreto, 58.
The journey from the airport to the building is about 20 minutes. (Average cost - € 20).
Take the Red Line at the Airport, exit at Alameda Station and take the Green line towards Cais do Sodré and exit at Baixa-Chiado station. Loreto Street is 200 meters away.
Take the AeroBus to Rossio. At Rossio, take the Metro (Green Line) towards Cais do Sodré and exit at Baixa-Chiado station. Loreto Street is 200 meters away.
From the Airport - Exit towards the historical center of Lisbon, through Av. Almirante Gago Coutinho, following to Av. Almirante Reis towards Rossio - Baixa / Chiado, follow to Garrett Street towards Praça Luís Camões, facing Loreto Street, the Loreto Building is about 200 meters on your right.
From the South - A2 direction Lisbon, exit for Alcântara, follow Av. 24 de Julho until Cais do Sodré. You should go up the Alecrim street and go to Luís de Camões Square, turn left into Loreto street.
From the North - A1: keep on the A1 until entering the 2nd Circular, take the North-South Axis. Exit towards Alcântara by Av. De Ceuta. Catch Av. 24 de Julho until Cais do Sodré and go up the Alecrim street pass through Praça Luís de Camões turn left and enter Loreto street.