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.

Companies

50 of 68 companies

Systec Therm AG

Since 1950

Electric heatingDrying and hygieneComfort ventilation

View profile3.9(12)

Walter Gabler & Söhne AG

Since 1969

Plumbing workSheet metal work24-hour emergency service

View profile4.4(7)

H. Fatzer AG, Heizung-Lüftung-Sanitär

Since 1972

HeatingVentilationPlumbing

View profile3.8(12)

Köpp AG

Since 1977

Sanitary installationsRenovation workNew construction

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Hälg & Co. AG

Since 1981

Plant engineering / Service

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Schwizer Haustechnik AG

Since 1988

Bathroom renovationBathroom architectureInterior architecture

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Rolf Meier AG

Since 1993

Sanitary installationsBathroom renovationWater treatment

View profile4.8(17)

Bion Bauhaus AG

Since 1994

Heat pumpsWood energySolar systems

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E. Jenny

Since 1995

Sanitary servicesHeating systemsPhotovoltaic systems and solar systems

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Gebrüder Zotti GmbH

Since 1995

HeatingVentilationSolar thermal

View profile5(2)

kreis wasser ag

Since 1996

Heating and Cooling TechnologySanitary EngineeringService and Maintenance

View profile4.6(17)

Wirth Gebäudetechnik AG

Since 1997

Bathroom renovationHeating system renovationService packages

View profile4.8(14)

Reto Stalder GmbH

Since 1997

Bathroom renovations and installationsRepairsDrain cleaning

View profile5(9)

LULI - Haustechnik

Since 2000

Heating systemsSanitary installations and bathroom renovationsBoiler descaling

View profile5(2)

IG Energietechnik AG

Since 2000

Heating PlanningVentilation and Air Conditioning PlanningEnergy Consulting

View profile5(1)

swisspro AG

Since 2000

Electrical InstallationsService & Maintenance for Electrical SystemsRenewable Energy

View profile4(10)

Mauron Gebäudetechnik GmbH

Since 2001

Heating engineeringPlanning and engineeringService around the clock

View profile4.6(10)

KAMMTEC GMBH

Since 2002

Planning and consulting in building automationImplementation and execution Control & RegulationSupport and periodic maintenance of systems and infrastructure

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Zürcher Wärme

Since 2004

Property sale and purchaseMarket value appraisalReal estate consulting

View profile4.8(5)

Poolman GmbH

Since 2004

Swimming pool systems (NIVEKO)Stainless steel poolsConcrete pools

View profile4.5(8)

Sanitär LaGo GmbH

Since 2005

Sanitary installationsHeating installations and heating renovationIndustrial technology / Industrial connections

View profile5(3)

Müller Brenner-Service GmbH

Since 2005

Burner serviceBurner refurbishmentReplacement of heating valves

View profile3.7(6)

Jenny Gebäudetechnik AG

Since 2009

Sanitary workBathroom renovations and bathroom conversionsHeating system work

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E3 HLK AG

Since 2010

HeatingVentilationCooling

View profile5(6)

Sanitär Klarer-Hörler AG

Since 2010

Sanitary planningPlumbing installationsPlumbing service

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Lippuner Hosting GmbH

Since 2013

Building services engineeringServiceTechnical building management

View profile1.3(3)

John Sanitär AG

Since 2015

Plumbing workHeating workProperty drainage

View profile5(23)

InnoBAD SWISS AG

Since 2016

24-hour bathroom renovationBathtub-to-shower conversionShower renovation

View profile5(6)

Luli Haustechnik GmbH

Since 2017

Heating systemsSanitary installationsBurner service for oil and gas-fired burners

View profile5(2)

Häberlin Engineering GmbH

Since 2017

Building services engineering planningTechnical coordinationEnergy solutions

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Schläpfer Sanitär Service

Since 2017

Plumbing installationsBathroom renovationsBuilding services

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Haustechnik Plan B AG

Since 2018

Building services planningDrainage planningFeasibility studies

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Giannuzzi Bad- und Haustechnik GmbH

Since 2018

Bathroom renovationMaintenance serviceRenovation work

View profile5(7)

Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen

Since 2018

Planning of heating, ventilation, air-conditioning, refrigeration, sanitary, sprinkler and building automation systemsOverall planning across all tradesEnergy consulting and certification

View profile5(1)

INHAUS AG

Since 2019

Bathroom solutionsBathroom consultationBathroom Park / Showroom

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Müller Wüst AG

Since 2019

MW methodBuilding services fabrication modelsModel-based fastening technology

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TechInstall GmbH

Since 2021

Heating installationSanitary installationsRefrigeration and air-conditioning

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Huser Haustechnik GmbH

Since 2022

Sanitary installationsHeating systems

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Thür Sanitär Service GmbH

Since 2023

Plumbing installationsDrain and pipe cleaningEmergency service

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beco Haustechnik GmbH

Since 2023

Building Services Engineering Planning (HLKS)Specialist Site Management and Construction SupervisionConsulting and Feasibility Studies

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plansync GmbH

Since 2024

Building services HLKSSpatial overall coordination HLKS+EHeating design

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Pfister-Heizungen AG

Since 2024

Heating system renovationsHeat distributionNew-builds

View profile4.6(7)

Bewatec Fejzuli

Since 2020

View profile5(4)

Espro AG

Since 1963

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Burkart & Co. Heizungen u. Oelfeuerungen

Since 1982

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Jörg Falk Haustechnik

Since 1990

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Paul Rohner GmbH

Since 2007

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M-

MLM - Migi Lüftungen & Montage GmbH

Since 2013

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BSL Montagen GmbH

Since 2015

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Menzi Gebäudetechnik

Since 2016

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Plumbing & Building Services in St. Gallen

68Plumbing & Building ServicesCommercial register (Zefix) · as of September 23, 2026

2016Median year of registrationCommercial register (Zefix) · as of September 23, 2026

529in the Canton of St. GallenCommercial register (Zefix) · as of September 23, 2026

8,055in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Jona19 Buchs SG18 Wil SG18 Gossau SG14 St. Margrethen SG13 Flawil13 Au SG12 Altstätten SG10 Wittenbach10 Oberuzwil10

Industry axis

Plumbing & Building Services in other places

Plumbing & Building Services across Switzerland

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Place axis

Other industries in St. Gallen

All companies in St. Gallen

Holding Companies446 Management Consulting443 Property Management419 Restaurants353 IT Consulting & Services303 Real Estate Project Development272 Software Development248 Advertising Agencies223 Fiduciary Offices208 Real Estate Brokerage205 Coaching & Personal Development161 Architecture Firms158 Facility Management & Cleaning145 Technical Consulting & Engineering141 Trade Fair & Event Organizers126 Hair Salons116 Online Shops108 NGOs & NPOs105 Wholesale - General Specialty Trade105 Construction & Project Management93 Continuing Education Institutes92 Textile & Clothing Industry91 Retail - Textiles & Clothing91 Automotive & Vehicle Trade90 Beauty Salons89 Recruitment & HR Consulting86 Auto Repair Shops86 Other Service Industries85 General Contractors81 Painting & Plastering80 Retail - Food & Luxury Items78 Web Portals & Platform Companies76 Catering76 Building Maintenance74 Financial Services73 Electrical Planning & Installation66 Cultural & Educational Organizations61 Retail - General Specialty Trade61 Clubs, Bars & Event Venues59 Logistics & Transport Companies59 Research & Development58 Administrative Services55 Flooring & Tiling52 Physiotherapy52 Housing Cooperatives52 Psychiatry & Psychotherapy51 Law Firms & Notary Offices50 Wholesale - Food & Luxury Items50

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Plumbing & Building Services inSt. Gallen

50 of 68 companies

Plumbing & Building Services in the region

Plumbing & Building Services in other places

Other industries in St. Gallen

Plumbing & Building Services in
St. Gallen