VIVAWEST GmbH is a German residential property company headquartered in Gelsenkirchen, North Rhine-Westphalia; its registered corporate seat is Essen, while its group headquarters is on the former Nordstern colliery site in Gelsenkirchen-Horst.345 The company was formed through the 2011 renaming of Evonik Immobilien GmbH, followed by the consolidation and later merger of its housing activities with THS GmbH in 2012.3
VIVAWEST manages nearly 120,000 homes across about 100 municipalities, principally in the Rhine-Ruhr region and extending between Aachen and Ahlen; its properties are home to around 300,000 people.4 Its geographic focus is North Rhine-Westphalia rather than a nationwide residential portfolio.4
Its core work includes managing rental housing, building new homes, and modernising existing properties. The company reports a programme that modernises about 1,500 homes annually, alongside ongoing investment in new construction.4 VIVAWEST also develops and maintains residential neighbourhoods and provides housing-related services through affiliated service businesses, including green-space management, trades, multimedia provision, and metering and billing.812
Energy upgrades are part of its investment activity: the company’s stated measures include improving building insulation and replacing fossil-fuel heating systems, with a target of a climate-neutral building portfolio by 2045.11 As of 2026, Sandra Wehrmann is chair of the management board; Karin Erhard and Haluk Serhat are also listed as members of the management.45