Plumbing & Building Services in
St. Gallen
68 companies in Plumbing & Building Services based in St. Gallen — name and year of registration from the commercial register.
50 of 68 companies
John Sanitär AG
Since 2015 · 1–10 empl.4.9(29)
The core activity of John Sanitär AG encompasses the provision of services in the field of sanitary, heating and drainage technology. This includes: Sanitary work (new construction, renovation, maintenance and repairs), heating work (renovation, maintenance and repairs), work related to property drainage (sewer TV, pipe cleaning, unclogging of drains), service and maintenance of heating systems and sanitary facilities, flushing of underfloor heating and maintenance of heating components (pumps, valves, etc.). The company thus offers a comprehensive range of services for the maintenance and repair of sanitary, heating and drainage systems.
Rolf Meier AG
Since 1993 · 1–10 empl.4.8(20)
The core activity of Rolf Meier AG is the planning and implementation of plumbing and sanitary work, including bathroom renovations, water treatment, Grander water, repair services, shower and toilet installations, as well as lightning protection.
Systec Therm AG
Since 1950 · 21–50 empl.4.3(13)
The company provides services in the field of heating technology, including consulting, training, planning, contract execution, service and repairs of heating appliances, in particular single-room heating appliances.
kreis wasser ag
Since 1996 · 11–20 empl.4.4(19)
The core activity of Kreis Wasser AG is to provide solutions in the heating and sanitary sector, including services such as heating renovation, sanitary work, customer service and boiler maintenance.
Walter Gabler & Söhne AG
Since 1969 · 21–50 empl.4.6(10)
Walter Gabler & Söhne AG is a crafts company providing plumbing and sheet-metal (spengler) services. The firm carries out metal roofing and cladding, plans and installs lightning protection systems, and delivers sanitary installations, bathroom renovations, pipe cleaning and maintenance services. It also operates a 24-hour emergency service for leaking roofs, burst pipes and sewage blockages.
Wirth Gebäudetechnik AG
Since 1997 · 21–50 empl.5.0(14)
The core activity of Wirth Gebäudetechnik AG is the planning, installation and renovation of sanitary and heating systems in industrial and residential buildings, for both new constructions and renovations.
Reto Stalder GmbH
Since 1997 · 1–10 empl.5.0(11)
Reto Stalder GmbH provides plumbing services, repairs, drain cleaning, heating service, water filtration, and bathroom installations and conversions. The company also offers advice and prepares quotations for these areas of work.
Poolman GmbH
Since 2004 · 1–10 empl.4.6(11)
The core activity of Poolman GmbH is the planning, construction and renovation of swimming pool facilities as well as the distribution of related products such as covers, roller shutter covers, swimming halls, pool decks and insulation covers.
Zürcher Wärme
Since 2004 · 1–10 empl.4.8(6)
Zürcher Wärme is a real estate company that provides property buying and selling services, first-time letting, market valuation, and advisory support. It works with condominium apartments, single-family homes, and multi-family houses.
Sanitär LaGo GmbH
Since 2005 · 1–10 empl.5.0(6)
The core activity of Sanitär LaGo GmbH is the installation, renovation and maintenance of sanitary facilities, heating systems and industrial technology in Eastern Switzerland. This includes in particular: sanitary installations (e.g. renovation or conversion of bathrooms), heating system installations and maintenance, industrial technology (without further specification), and a 24-hour repair service for pipe blockages, heating system failures and water damage.
Giannuzzi Bad- und Haustechnik GmbH
Since 2018 · 1–10 empl.5.0(8)
The company's core activity is the renovation and refurbishment of bathrooms, including the replacement of fixtures and fittings.
InnoBAD SWISS AG
Since 2016 · 1–10 empl.4.6(9)
The core activity of InnoBAD Swiss AG is the planning and execution of bathroom renovations, conversions and renovations, in particular: seamless bathroom renovation, bathtub conversion to showers, barrier-free showers, complete bathroom renovation in just 24 hours, bathtub replacement, and safety measures in the bathroom. The company also offers consulting and planning for individual bathroom solutions and relies on a wide range of brands and products to meet customer wishes.
Hälg & Co. AG
Since 1981 · 101–500 empl.
Hälg & Co. AG is a corporate group for building services engineering and integrated facility management. Its services include design, installation, maintenance and refurbishment of building services systems, covering plant engineering, building automation, service, ventilation cleaning and integrated property management.
Schwizer Haustechnik AG
Since 1988 · 1–10 empl.
Schwizer Haustechnik AG provides planning, installation and maintenance of building services with a focus on heating, ventilation, sanitary systems and bathroom/interior design. Services include heating and ventilation systems (heat pumps, solar, wood/gas/oil), sanitary installations and bathroom renovations, maintenance and 24/7 emergency service, plus equipment rental.
Bion Bauhaus AG
Since 1994 · 11–20 empl.
Bion Bauhaus AG is Heim AG Heizsysteme. Heim AG Heizsysteme acquired Bion Bauhaus AG on 1 July 2023 and handles enquiries and services through its heating-systems business, which provides renewable-energy heating solutions such as heat pumps, wood-energy systems, solar systems and energy-management solutions.
E. Jenny
Since 1995 · 1–10 empl.
E. Jenny provides planning, installation, renovation and maintenance services for sanitary systems, heating systems and photovoltaic/solar installations, and carries out repairs and service work. The website states a 24-hour emergency service is available to clients; sheet‑metal/Spengler work is currently not offered.
swisspro AG
Since 2000 · 21–50 empl.4.0(10)
swisspro AG provides solutions in the electrical, ICT and automation sectors. The company delivers planning, implementation and maintenance services for projects, including electrical installations, building automation, renewable energy systems, IT installations, AV and telephony, and offers outtasking/outsourcing services.
Jenny Gebäudetechnik AG
Since 2009 · 11–20 empl.
Jenny Gebäudetechnik AG is a specialist company for plumbing, heating and solar systems, providing planning, installation, renovation, maintenance and a 24-hour emergency service.
Sanitär Klarer-Hörler AG
Since 2010 · 11–20 empl.
The core activity of Sanitär Klarer-Hörler AG is the planning, installation, maintenance and repair of sanitary technical systems and installations, including bathroom renovations, sanitary planning, bathroom refurbishments, conversion work and large-scale construction projects. The company also provides service for fittings and appliances and operates training facilities.
Haustechnik Plan B AG
Since 2018 · 11–20 empl.
The core activity of Haustechnik Plan b AG is the planning and coordination of building technology, particularly in the areas of plumbing, heating and ventilation (HLSE). The company offers services such as project planning, coordination and support in all planning phases and specializes in the renovation, expansion and new construction of buildings in various industries, including industry, public buildings, commerce and residential buildings.
INHAUS AG
Since 2019 · 1–10 empl.
INHAUS AG provides bathroom solutions and supplies sanitary products such as washbasins, taps, bathtubs, showers, WCs, bathroom furniture, towel heaters and accessories. The company offers consultation and planning services, an online bath planner, and presents products in showroom (Bäderpark) locations.
E3 HLK AG
Since 2010 · 21–50 empl.5.0(6)
E3 HLK AG plans, installs and maintains heating, ventilation and cooling systems for building services engineering. The company also provides service, maintenance, operational optimisation, contracting and other energy engineering and plant construction services.
LULI - Haustechnik
Since 2000 · 1–10 empl.5.0(3)
LULI - Haustechnik provides installation, maintenance and sales of sanitary, heating and combustion/burner systems, carries out repairs and operates a 24-hour emergency service.
H. Fatzer AG, Heizung-Lüftung-Sanitär
Since 1972 · 1–10 empl.3.8(15)
H. Fatzer AG, Heizung-Lüftung-Sanitär provides plumbing, heating and ventilation services including planning, installation, maintenance and repairs. The company carries out new builds, renovations and system upgrades such as heat pumps, boiler refurbishments, underfloor heating, solar and heat-recovery systems, controlled residential ventilation and on-call maintenance.
Mauron Gebäudetechnik GmbH
Since 2001 · 1–10 empl.4.3(12)
The core activity of Mauron Gebäudetechnik GmbH is the planning, installation and maintenance of heating, ventilation and air conditioning systems, as well as the provision of services in the field of building technology, particularly in the areas of heating technology, planning and engineering, as well as service and maintenance.
Luli Haustechnik GmbH
Since 2017 · 1–10 empl.5.0(3)
Luli Haustechnik GmbH is a building services company offering installation, maintenance and sales of plumbing, heating and burner systems. The company carries out repairs on building services equipment and operates a 24-hour emergency service.
Müller Brenner-Service GmbH
Since 2005 · 1–10 empl.4.1(9)
The company Peter Müller Brennerservice GmbH is a Swiss craft business specializing in the service, maintenance and new installation of burners. The core activities include, in particular, the repair, replacement and new installation of burners, as well as the renovation and replacement of heating systems.
Müller Wüst AG
Since 2019 · 1–10 empl.
The core activity of Müller Wüst AG is the model-based prefabrication of building technology components, particularly in the areas of sanitary, heating, cooling, sprinkler and fastening technology. The company creates fabrication models based on 3D models and supports the prefabrication, assembly and organization of construction projects through digital processes.
Häberlin Engineering GmbH
Since 2017 · 1–10 empl.5.0(3)
Häberlin Engineering GmbH is a building services engineering firm providing planning and project management for heating, ventilation, air conditioning and sanitary systems (HVAC/S) and sprinkler installations. Services include feasibility studies, expert reports, condition analyses, operational optimizations, measurement concepts, specialist site supervision and coordination, plus energy solutions such as renewable systems, heat recovery, energy certificates (Minergie) and thermography.
Gebrüder Zotti GmbH
Since 1995 · 1–10 empl.5.0(3)
Gebrüder Zotti GmbH provides services for heating, ventilation, solar and refrigeration systems. Offerings include heat pumps, wood- and fossil-fuel heat generators, thermal solar installations and ventilation systems.
Lippuner Hosting GmbH
Since 2013 · 21–50 empl.1.3(3)
Lippuner Hosting GmbH provides building services engineering, including planning and installation for ventilation/air conditioning, heating/cooling, sanitary and measurement‑control‑regulation (MSR) systems, and also delivers service, energy management and sheet‑metal/metalwork services.
Huser Haustechnik GmbH
Since 2022 · 1–10 empl.
The core activity of Huser Haustechnik GmbH is the planning, installation and renovation of sanitary and heating systems, including the coordination and organization of construction sites for new buildings and renovations.
Pfister-Heizungen AG
Since 2024 · 11–20 empl.4.6(7)
Pfister-Heizungen AG is a specialist heating company offering consultancy, planning, installation and maintenance services for new-builds and renovations. Its services include heat pumps, oil, gas, wood and pellet heating systems, solar thermal installations, district heating, chimney systems, heat distribution, residential ventilation and project management for boiler replacements.
Bewatec Fejzuli
Since 2020 · 1–10 empl.5.0(4)
The core activity of BewaTec is the provision of services in the sanitary sector, particularly in the installation, maintenance, repair and renovation of sanitary facilities, water pipes, drainage systems and pipelines. This also includes emergency services, consulting, planning and complete services for private and business customers.
IG Energietechnik AG
Since 2000 · 1–10 empl.5.0(1)
IG Energietechnik AG is an engineering firm for building services and energy solutions, providing planning and consulting for heating, ventilation/air conditioning and energy systems. The company carries out building services projects and is a member of the Schweizerischen Vereinigung Beratender Ingenieurunternehmungen (suisse.ing).
beco Haustechnik GmbH
Since 2023 · 1–10 empl.
The core activity of Beco Haustechnik GmbH is the planning and implementation of energy and building technology projects, particularly in the field of heating technology. The company provides engineering services and focuses on the development of reliable and efficient solutions for the construction and renovation of buildings.
Thür Sanitär Service GmbH
Since 2023 · 1–10 empl.
Thür Sanitär Service GmbH provides plumbing services including sanitary installations, drain cleaning, pipe rehabilitation, repairs, maintenance and an emergency service.
Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen
Since 2018 · 1–10 empl.5.0(1)
Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen is an independent engineering firm for energy and building services. The office provides strategic planning, design and implementation of heating, cooling, ventilation, air-conditioning, sanitary and sprinkler systems and building automation, plus energy consulting, renovation and operational optimization services.
Köpp AG
Since 1977 · 1–10 empl.
The core activity of Köpp AG is the installation and construction of sanitary facilities, particularly in the area of renovations and new buildings.
KAMMTEC GMBH
Since 2002 · 1–10 empl.
The core activity of kammtec GmbH is the planning, execution, consulting and maintenance of building automation systems, particularly in the areas of heating, ventilation, air conditioning, sanitation and electrical engineering (HVAC). The company offers individual solutions for building automation, including programming, software simulation, electrical schematics, commissioning, documentation and maintenance. It also supports customers in the planning and implementation of projects, including engineering, alarm concepts, fault management and IT concepts.
Schläpfer Sanitär Service
Since 2017 · 1–10 empl.
The core activity of Schläpfer Sanitär Service is the provision of services in the field of building technology, particularly in sanitary installation, bathroom renovation and maintenance of building technology systems.
TechInstall GmbH
Since 2021 · 1–10 empl.
The core activity of Tech Install GmbH encompasses the planning, consulting, installation and maintenance of technical systems for heating, sanitation, cooling and ventilation. This includes ensuring climate-optimized solutions for private, commercial and industrial requirements, including compliance with fire protection regulations, noise protection and hygiene requirements, as well as serving human basic needs such as health, hygiene and well-being.
plansync GmbH
Since 2024 · 1–10 empl.
The core activity of plansync GmbH is the planning and coordination of building technology HLKS (heating, ventilation, air conditioning, sanitation) as well as the overall coordination of HLKS+E (heating, ventilation, air conditioning, sanitation and electrical engineering).
VRA Haustechnik GmbH
Since 2025 · 1–10 empl.
VRA Haustechnik GmbH provides services for heating systems, heat pumps, and air conditioning systems. The company handles installation, repairs, maintenance, and a 24/7 emergency service for heating and building services equipment.
Espro AG
Since 1963 · 1–10 empl.
Burkart & Co. Heizungen u. Oelfeuerungen
Since 1982 · 1–10 empl.
Jörg Falk Haustechnik
Since 1990 · 1–10 empl.
Paul Rohner GmbH
Since 2007 · 1–10 empl.
MLM - Migi Lüftungen & Montage GmbH
Since 2013 · 1–10 empl.
BSL Montagen GmbH
Since 2015 · 1–10 empl.
Plumbing & Building Services in St. Gallen
Plumbing & Building Services in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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