Plumber in
Au SG

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

Companies

All 12 companies in Au SG

Heeb AG Heizungsservice Logo

Heeb AG Heizungsservice

Since 1979 · 1–10 empl.5.0(24)

The core activity of Heeb AG Heizungsservice is the planning, consulting, installation, repair and maintenance of heating and plumbing systems, including the use of solar and heat pump technology. The company also offers services such as flue gas checks and service technology, and has its own workshop and storage space.

PlumberHeating consulting, installation, service and repairSolar thermal and photovoltaicsSanitary installations
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
HWT Haus- und Wassertechnik AG Logo

HWT Haus- und Wassertechnik AG

Since 1987 · 11–20 empl.

The core activity of HWT Haus- und Wassertechnik AG is the provision of services related to water, including sanitary installations, bathroom renovations, heating, specialized planning, swimming pool construction and maintenance, plastics factory and pipeline construction. The company also offers a 24-hour emergency service.

PlumberSanitary installationsBathroom conversionsHeating
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Intemann AG Logo

Intemann AG

Since 1988 · 51–100 empl.

Specialist foundation engineeringSanitary installationsVentilation technologyBathroom planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
INHAUS AG Logo

INHAUS AG

Since 2001 · 11–20 empl.

INHAUS AG provides bathroom solutions and related products such as washbasins, bathtubs, showers, toilets/bidets, mirrors and accessories. The company operates exhibition Bäderparks with on-site consultation, offers an online bathroom planner and publishes product catalogs and brand partnerships.

PlumberBathroom solutionsConsultation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
BNL Haustechnik GmbH Logo

BNL Haustechnik GmbH

Since 2019 · 1–10 empl.

BNL Haustechnik GmbH provides plumbing, heating, pipeline construction and building technology services. Its activities also include maintenance, renovations, consulting and planning.

PlumberPlumbingHeatingPipeline construction
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #5
ETA Installationstechnik GmbH Logo

ETA Installationstechnik GmbH

Since 2014 · 1–10 empl.5.0(2)

ETA Installationstechnik GmbH plans, installs and maintains building-services systems for plumbing, heating, ventilation and solar energy. Its services include consulting and installation planning for new builds and renovations, as well as maintenance and servicing.

PlumberSanitary installationsHeating installationsVentilation installations
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #6
Peter Huggler GmbH Logo

Peter Huggler GmbH

Since 2026 · 1–10 empl.

Peter Huggler GmbH sells and installs LAMBDA air-to-water heat pumps and supplies associated storage tanks, accessories and services for heating and cooling systems. Services include consulting, planning, installation, maintenance and product documentation available for download.

Engineer
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #7
GWT Gebäude- und Wassertechnik GmbH Logo

GWT Gebäude- und Wassertechnik GmbH

Since 2015 · 1–10 empl.

GWT Gebäude- und Wassertechnik GmbH provides building services in plumbing and heating. Its work includes planning and installing plumbing systems, heating systems, heat pumps and solar installations, as well as round-the-clock emergency service.

Specialist foundation engineeringSanitary engineeringHeating systemsConsulting
No score yet
MBM Sanitärtechnik Swiss GmbH Logo

MBM Sanitärtechnik Swiss GmbH

Since 2021 · 11–20 empl.

MBM Sanitärtechnik Swiss GmbH provides services in the sanitary engineering sector and develops and sells prefabricated and custom sanitary components. Its products include pipe supports and wall and house-entry components.

PlumberSanitary productsSanitary technology for installers
No score yet
sanitärplan.ch GmbH Logo

sanitärplan.ch GmbH

Since 2012 · 1–10 empl.

Plumber
No score yet
ZG

Zekic Gebäudetechnik

Since 2020 · 1–10 empl.

Plumber
No score yet
EH

EWT Haustechnik GmbH

Since 2022 · 1–10 empl.

Plumber
No score yet

Plumber in Au SG

12PlumberCommercial register (Zefix) · as of November 6, 2026
2015Median year of registrationCommercial register (Zefix) · as of November 6, 2026
532in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
8,141in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Plumber in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026