Porta da Frente Christie’s is a real estate brokerage firm working in the market for two decades, focusing on the best properties and developments, whether for sale or lease. The company was selected by the prestigious Christie’s International Real Estate brand to represent Portugal in the areas of Lisbon, Cascais, Oeiras and Alentejo. The main mission of the Porta da Frente Christie’s is privileging a service of excellence to all our customers.