Develop, customize & innovate PRODUCT TECHNICAL EXPERTISE Alter Oak is above all a team made up of experts in oak casks, barrels and extracts. We use this experience to find innovative solutions and offer you casks, barrels and oak extracts tailored to your needs. Thanks to our network of experienced agents, we are present at the selection of casks and barrels allowing a final quality control and traceability. OUR INNOVATIONS European Patent : Barena Techeonologie n° 0773 28/04/2007 Patent of Invention: Toasting Technique PCT FR 1908800 01/08/2019 Patent of Invention: Barena Techeonologie + PCT FR 1910567 25/09/2019 Caractère Duo FR2017/050858 Our commitments Selection of quality casks, barrels and oak TraceabilityBest value for moneyTechnical expertiseMarket knowledgeInnovation and ongoing research News ALTER OAK CASKS STORIES : TOKAY sweet wine ALTER OAK CASKS STORIES : PEDRO XIMENEZ (PX) ALTER OAK CASKS STORIES : PORT WINE Alter Oak – Used casks stories – SAUTERNES Read our news