Delaforce is a Port producer based in Oporto that traces its history to 1834. In that year John Fleurriet Delaforce left London for Oporto, where in 1868 his son founded the House of Delaforce. Today the firm is owned by Real Companhia Velha, also known as Royal Operto. Delaforce makes a full portfolio of vintage and non-vintage Ports. It also makes red wines from the Douro Valley.