About
HS3 Group AG is a private headquartered in Dübendorf, Switzerland with approximately 50-200 employees specializing in Solar, Energy Storage.
HS3 Group AG is a Swiss-based holding company that operates several specialized subsidiaries in the building energy and technical systems sector. The group provides comprehensive services from energy consulting and planning through to installation and commissioning of heating systems, photovoltaic installations, and EV charging infrastructure. Subsidiary companies include s3 GmbH (energy consulting and HVAC engineering), Omneo AG (turnkey solutions for heating and photovoltaic systems), Hauser & Schwerzmann Haustechnik AG (HVAC installations), 3E Elektro AG (electrical installations and photovoltaic systems), and Axeno Elektrokontrollen AG (electrical safety inspections and controls).
Headquarters
Dübendorf, Switzerland
Employees
50-200
Company Type
Private