In 1928, after World War I, Firmin Filliers developed the first Belgian
gin recipe. In 2010 Filliers used this recipe when it became the first Belgian distillery to market gin:
Filliers Dry Gin 28. After the disruption of World War II, Filliers made a fresh start. Its copper installation, which had been hidden from the Germans in a tributary of the
Leie, was recovered and distilling recommenced. Until 1975 Filliers continued to be an agricultural distillery, with a complete ecological cycle, in which the spent grain remaining after distillation was used as cattle feed and the cattle's manure was used to fertilise the land. After 1975 agricultural activities were phased out and the production of grain jenever was increased using purchased grain. At around this time, the range of products was expanded. In 1970 Filliers launched an
advocaat, based on the recipe of Julia Denecker, widow of the late Firmin Filliers. Fruit-flavoured jenevers were also introduced. These were later followed by cream-jenevers, with flavours such as chocolate, vanilla, coconut, banana and amaretto. In 2009 Filliers took over
Wortegemsen – the Waregem-based distillery of lemon jenever – previously owned by Albert Kint. This made Filliers the Belgian market leader in the jenever segment and increased its turnover to 18 million euros. Another evolution was the production from 2007 of Filliers’ own brand of single malt whisky:
Goldlys Family Reserve. This was produced by double column distillation. It is a three-year-old grain whisky, matured in
American oak Bourbon barrels. The name is a reference to the nearby river Leie. Filliers also produces semi-finished malt spirit, a pure grain distillate of up to 46-47% vol. This is sold in bulk to other jenever producers in the Benelux and Canada, including the Dutch company Bols. == Accident ==