Quintas de Sirlyn (Sirlyn farms) explores two farms, Quinta da Cerejeira and Quinta do Linhar, and several forest areas. We dedicate to agriculture, forestry and tourism, grow grapes, olives, fruits and vegetables and produce wine and olive oil from our own harvest.We also run a local lodgment unit located in Quinta do Linhar as well as a shop specialized in local and regional products The shop is located at shopping centre Arlema right in the heart of Tondela. The shop  sells not only products from Quintas de Sirlyn but also products from other local producers.

All products available are typical from the region.The farms are located in Santa Ovaia de Cima in the municipality of Tondela, district of Viseu. 

The company is headquartered in Viseu.