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 Buschenschank on Nußberg and the restaurant "Die Winzerei". The vineyards were expanded to a total of 20 hectares of vineyards. You are on Nußberg, as in Grinzing, Heiligenstadt, Neustift and Obersievering and are 70% with the white wine varieties Green Valtellina. Riesling. Chardonnay and Mixed sentence, as well as 30% with Zweigelt planted. A hectare with Riesling is on Pfaffenberg in Stein-Krems in the wine-growing region Kremstal (Lower Austria) cultivated.
Has been certified since 2005 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 disease prevention and pest control using homeopathic preparations. In the basement is so gentle and reductively worked as possible. Additives are largely avoided. The classic white wines are mainly aged in steel tanks, the layered wines are sometimes also aged in large wooden barrels or barriques. Premium wines include Grüner Veltliner Nußberg and Mixed Set Weißleiten. In 2014 the winery and the wine bar were given to the winemaker Fritz Wieninger sold, who had already supported the conversion to biodynamic viticulture. The Hajszan-Neumann brand is retained.