Plumber in
Rorschach

9 companies in Plumber based in Rorschach — name and year of registration from the commercial register. The list below shows them all.

Companies

All 9 companies in Rorschach

Mayer Haustechnik AG Logo

Mayer Haustechnik AG

Since 2003 · 1–10 empl.4.9(41)

The core activity of Mayer Haustechnik AG encompasses the planning, installation and maintenance of sanitary facilities, plumbing, household appliances and bathroom systems. The company also provides consulting services in these areas and operates a retail store where customers can purchase products and services.

PlumberSanitary installationsBathroom planning and bathroom renovationSheet metal work
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
DINAG GmbH Logo

DINAG GmbH

Since 2014 · 1–10 empl.

DINAG GmbH provides building services, including plumbing installation and repairs, heating systems and heat pumps. Its work also includes bathroom and kitchen renovations, as well as building services for new-build and renovation projects, from planning through execution.

PlumberSanitary installationsHeating installationsBathroom and kitchen renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
R. Forster Spenglerei-Sanitär Logo

R. Forster Spenglerei-Sanitär

Since 2018 · 1–10 empl.5.0(4)

R. Forster Spenglerei-Sanitär provides plumbing and sanitary installations, renovation and maintenance services, and carries out sheet-metal work including roof drainage, metal cladding and custom fabrications.

PlumberConsultingSanitary RefurbishmentsSheet-metal Work
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #3
IDEAL-TECH GmbH Logo

IDEAL-TECH GmbH

Since 2025 · 1–10 empl.

IDEAL-TECH GmbH provides solutions in the areas of air conditioning, windows and façades. The company carries out the installation and maintenance of split, multi-split and VRF systems, as well as the supply and installation of windows, glass railings and ventilated façades.

Construction managerAir Conditioning and Ventilation SystemsWindows and FacadesRainscreen Facades
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #4
Hydro Plus Engineering GmbH Logo

Hydro Plus Engineering GmbH

Since 2012 · 1–10 empl.

Hydro Plus Engineering GmbH plans and implements building-services systems for heating, ventilation, plumbing, solar energy and energy management. Its services include heat pumps, photovoltaic systems, pool and smart-home technology, as well as consulting and specialist coordination for new-build and renovation projects.

PlumberBuilding Services Engineering DesignEnergy Concepts and ConsultingSolar Installations
No score yet
MG

Marktplatz Garage GmbH

Since 1996 · 1–10 empl.

Electrician
No score yet
AS

App Sanitär-Technik

Since 1997 · 1–10 empl.

Plumber
No score yet
KT

KEK Technik GmbH

Since 2022 · 1–10 empl.

Plumber
No score yet
AH

ARI Haustechnik GmbH

Since 2022 · 1–10 empl.

Plumber
No score yet

Plumber in Rorschach

9PlumberCommercial register (Zefix) · as of November 5, 2026
2014Median year of registrationCommercial register (Zefix) · as of November 5, 2026
532in the Canton of St. GallenCommercial register (Zefix) · as of November 5, 2026
8,138in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Plumber in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026