[1][2] The companies owned by Symington Family Estates and individual family members together own 27 quintas (estates) in the Alto Douro region, and additionally lease one and operate one as a joint venture.
[4] Over 70% of the Port wine sold by Symington-owned brands is produced from grapes from these vineyards.
[5] Together with these land holdings, the Symingtons are the largest vineyard ownership group in the Douro.
[7] The company was founded by Andrew James Symington who arrived in Oporto from Scotland in 1882, and initially joined Graham's.
[15] The wineries and brands owned by Symington Family Estates are the following:[16] Prazo de Roriz Through the Madeira Wine Company.