Technical Consulting & Engineering in
Bösingen

Energieberatung Roux GmbH

Since 2023 · 1–10 empl.

The core activity of the company 'Energieberatung Roux' is energy consulting for the renovation of residential buildings, particularly in the creation of building energy certificates (GEAK and GEAK Plus), the calculation of cost-effectiveness calculations for heating system replacement and solar installations, as well as consulting on the planning of energy-related renovations and the application for funding.

mailing street funke & Co.

Since 2023 · 1–10 empl.·4.3(6)

mailing street funke & Co. provides data-driven marketing, strategy development and document management services, with a focus on customer intelligence and mailing solutions.

D. Zwahlen Haustechnik GmbH

Since 2025 · 1–10 empl.

D. Zwahlen Haustechnik GmbH provides plumbing and heating services. The company carries out repairs, maintenance, inspections, and conversions for sanitary installations, radiators, and underfloor heating systems.

Virtech AG

Since 1990 · 1–10 empl.

Ganz Consulting

Since 2011 · 1–10 empl.