General contractor in
Rorschach
12 companies in General contractor based in Rorschach — name and year of registration from the commercial register. The list below shows them all.
All 12 companies in Rorschach
Starhaus AG
Since 2014 · 11–20 empl.5.0(4)
The Starhaus AG is a general contractor based in Rorschach, specializing in the planning, design and construction of residential buildings. In addition to project development and architectural planning, the company also provides support with financing issues and questions related to building land.
Niederer Ralph Generalunternehmer AG
Since 2005 · 1–10 empl.
The core activity of N-R-G (Niederer Ralph Generalunternehmer AG) is general contracting in the field of real estate development and renovation, including partial renovation, comprehensive renovation and replacement new construction. The company offers services such as valuation, consulting, development, realization, marketing and management of real estate.
Bendoraitis Immobilien
Since 2025 · 1–10 empl.
Gebimo Immobilien AG
Since 2014 · 1–10 empl.
Royal Effect GmbH
Since 2014 · 1–10 empl.
Mobecg GmbH
Since 2015 · 1–10 empl.
Stefani Bau GmbH
Since 2018 · 1–10 empl.
SWITCH BAU GmbH
Since 2021 · 1–10 empl.
A.I.G. Bau GmbH
Since 2025 · 1–10 empl.
Valis Generalunternehmung AG
Since 2026 · 1–10 empl.
Shero Bau GmbH
Since 2026 · 1–10 empl.
Awiroc Projekt AG
Since 2026 · 1–10 empl.
General contractor in Rorschach
General contractor in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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