The winery in Döbling in the 19th district of Wien (District Heiligenstadt) was founded in 2002 by restaurateur Stefan Hajszan. In 2007, a new winery was put into operation. In 2011, the architect Heinz Neumann was added as a strategic partner, the name was changed to Hajszan-Neumann. The business also included a tavern on Nussberg and the restaurant "The Winzerei". The vineyards were expanded to a total of 20 hectares of vineyards. You are at Nußberg, as in Grinzing, Heiligenstadt, Neustift and Obersievering and are to 70% with the white wine varieties Green Valtellina. Riesling. Chardonnay and Mixed set, as well as to 30% with Zweigelt planted. A scarce hectare with Riesling is on Pfaffenberg in Stein-Krems in the winegrowing area Kremstal (Lower Austria).
Since 2005 becomes certified Biodynamic viticulture according to the rules of the associations respectful-BIODYN and DEMETER practiced. These include fertilization With compost. greening between the rows of vines as well as prevention of diseases and control of pests by homeopathic preparations. In the basement will be so gentle and reductively worked as possible. Additives are largely dispensed with. The classic white wines are mainly in the steel tank, the layered wines in part in large oak barrels or oak barrels. The premium wines include Grüner Veltliner Nußberg and Gemischter Satz Weißleiten. In 2014, the winery and the tavern was to the winemaker Fritz Wieninger sold, who had already provided support in the conversion to biodynamic viticulture. The brand Hajszan-Neumann is maintained.