Plumbing & Building Services in the
Canton of St. Gallen

Hoti Haustechnik GmbH

Since 2017 · 1–10 empl.·5.0(78)

Hoti Haustechnik GmbH provides bathroom renovation and residential plumbing services for private clients, including 3D bathroom planning, tiling and on-site installation. Offerings include complete bathroom renewals, bathtub-to-shower conversions, WC renovations and maintenance tasks, with fixed-price proposals, scheduling guarantees and workmanship/device warranties.

Eigenmann AG Sanitär und Heizung

Since 1975 · 1–10 empl.·4.7(28)

Eigenmann AG Sanitär und Heizung is a company that provides sanitary and heating installations and services in the areas of roofing, façades, solar, bathrooms and renovations. Its offerings include project planning, maintenance contracts, on-site service and support from consultation through execution.

Feuz Gebäudetechnik GmbH

Since 2006 · 21–50 empl.·4.6(29)

The core activity of Feuz GmbH is building technology, particularly the planning, installation and maintenance of heating, sanitary and photovoltaic systems, as well as the provision of services in the field of building technology.

B+S Projekt GmbH

Since 2015 · 1–10 empl.·5.0(43)

B+S Projekt GmbH provides construction consultancy, construction management and general contracting services, and supports project development, residential and commercial construction, renovations and land transactions.

DORF-Lüftungstechnik AG

Since 2022 · 21–50 empl.·4.9(99)

DORF-Lüftungstechnik AG provides planning, installation and maintenance of ventilation and air-conditioning systems, together with related services such as ventilation cleaning, control technology and cooling/refrigeration.

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.

Bernhard Lämmli AG

Since 1977 · 21–50 empl.·4.9(13)

Bernhard Lämmli AG is a building services company that provides planning, installation and maintenance of heating, ventilation/air‑conditioning and sanitary systems as well as alternative energy solutions. Its services include bathroom renovations, solar and heat‑pump systems, ongoing service and maintenance, and a 24‑hour emergency call service.

Schönenberger & Partner AG Sanitäre Anlagen

Since 2017 · 1–10 empl.·4.9(47)

Schönenberger & Partner AG Sanitäre Anlagen is specialised in sanitary installations, heating and ventilation, providing planning, installation and maintenance services for new builds, renovations and conversions. Services include potable water and wastewater installations, bathroom renovations, water treatment, pipe clearing and emergency service.

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.

Lengweiler Heizungen GmbH

Since 1996 · 1–10 empl.·5.0(17)

The core activity of Lengweiler Heizungen GmbH is the installation, renovation and repair of heating systems, in particular renewable heating systems such as heat pumps, wood and solar heating systems, as well as the provision of heating emergency services.

Lämmli Haustechnik AG

Since 1999 · 11–20 empl.·4.9(13)

Lämmli Haustechnik AG is a building services company that plans, installs and maintains heating, ventilation and sanitary systems and implements alternative energy solutions. The company acts as a general contractor for building services and provides maintenance and a 24‑hour emergency service.

Rohner AG Heerbrugg

Since 1979 · 1–10 empl.·5.0(15)

The core activity of Rohner AG Heerbrugg is the provision of services in the field of building technology, particularly in the areas of sanitary, heating and plumbing work. The company also operates a bathroom exhibition and is a partner of Geberit AquaClean.

Aqua - Therm Haustechnik GmbH

Since 2013 · 1–10 empl.·4.8(22)

The core activity of Aqua-Therm Haustechnik GmbH is the execution of heating systems of all kinds as well as the execution of sanitary facilities, including boiler renovations, bathroom conversions, installation of heat pumps, solar systems, water softening systems and water treatment systems. The company also offers a 24-hour emergency service.

Hosch AG

Since 1975 · 11–20 empl.·5.0(12)

The core activity of HOSCH AG is water treatment, particularly the development and distribution of systems and plants for the decalcification, softening and purification of drinking water, as well as protection against corrosion and legionella.

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.

WS Haustechnik AG

Since 2010 · 1–10 empl.·5.0(12)

The core activity of WS Haustechnik AG is the provision of services in the field of building technology, particularly in the following areas: sanitary installations, renovations and refurbishments, new constructions, and service and repair services. The company specializes in hotel renovations and bathroom renovations. Additionally, the company operates a sanitary shop where bathroom accessories are sold.

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.

Osterwalder Haustechnik AG

Since 2011 · 1–10 empl.·4.9(15)

The core activity of Osterwalder Haustechnik AG is the planning, installation and repair of sanitary and building technology systems, particularly in the areas of bathroom renovation, sanitary installations, whirlpool and water softening systems, as well as plumbing work and water treatment systems. The company also offers consulting and planning services for sanitary and building technology projects and carries out these works in single and multi-family homes as well as in industrial and commercial properties.

Edwin Sonderegger AG Steinach

Since 1978 · 1–10 empl.·4.9(9)

Edwin Sonderegger AG Steinach provides services for heating and sanitary systems, including planning, installation, maintenance and service for heating and plumbing installations.

Rüdisüli Peter AG

Since 1995 · 1–10 empl.·4.9(12)

The core activity of Peter Rüdisüli AG includes the planning, installation, maintenance and repair of sanitary facilities, heating systems, solar systems and household appliances. This also includes the rental of toilet trailers and the execution of damage searches. The company also offers an exhibition of household appliances for kitchen and bathroom.

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.

Emil Wick Ing. AG

Since 1979 · 1–10 empl.·4.4(25)

Emil Wick Ing. AG is a heating and building-technology company that provides planning, installation, renovation and maintenance services for heating systems, including heat pumps and an emergency service. The company also offers consultation for building projects and apprenticeships.

Pascal Hugentobler AG

Since 2013 · 1–10 empl.·4.8(16)

The core activity of Pascal Hugentobler AG is the planning, installation and maintenance of sanitary facilities, including water softening and plumbing, as well as bathroom design and planning. The company offers its services for private, commercial and public facilities in the Zuzwil region.

EA Installationen GmbH

Since 2022 · 1–10 empl.·5.0(27)

The company EA Installationen provides services in the field of building technology, particularly in the areas of sanitary, water, wastewater, gas and compressed air systems. They perform tasks such as bathroom planning, installation and renovation, as well as other building technology services. They are available 24/7 and offer emergency assistance.

Cereghetti Caminada AG

Since 1997 · 1–10 empl.·5.0(7)

The core activity of Cereghetti Caminada AG is the provision of services in the field of heating, plumbing and ventilation, including installations, repairs and maintenance for private homeowners, property managers and other clients.

Hablützel Gebäudetechnik AG

Since 2018 · 11–20 empl.·5.0(6)

Hablützel Gebäudetechnik AG provides planning and installation services in building services engineering, covering sanitary installations, heating systems, solar thermal and photovoltaic systems, and cooling/air-conditioning solutions. Services include 3D bathroom planning, heating renovations, PV self-consumption optimization and battery storage, ventilation systems, maintenance, energy consulting and project coordination.

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.

Sonderegger Steiger AG

Since 2016 · 1–10 empl.·4.9(9)

Sonderegger Steiger AG operates in the field of heating and sanitary systems and provides related services.

Gmünder & Kehl AG

Since 2007 · 1–10 empl.·4.8(9)

The core activity of Gmünder & Kehl AG is the planning, organization, coordination and execution of sanitary installations, repair services, conversions and new constructions in the field of bathrooms and water installations. The company offers services around bathrooms and water, including the installation, maintenance and repair of sanitary facilities.

A. Winiger Sanitäre Anlagen GmbH

Since 1997 · 11–20 empl.·4.6(10)

The core activity of A. Winiger Sanitäre Anlagen GmbH is the planning, installation, maintenance and repair of sanitary systems in new and renovation projects, for both private homeowners and large customers. This includes, in particular, the creation of sanitary installations, the performance of regular maintenance work and the provision of emergency services. In addition, the company also offers renovation management services, where it coordinates various specialist trades such as painting, tiling, electrical, plastering and masonry.

Seiz Haus- und Industrietechnik AG

Since 1997 · 21–50 empl.·5.0(5)

The core activity of Seiz AG includes the planning, installation and maintenance of heating systems, ventilation systems, pipelines, as well as the use of renewable energies. The company also offers a 24-hour emergency service and advises customers on the renovation of heating systems and the simplification of decision-making bases.

John Heizung + Sanitär AG

Since 2007 · 1–10 empl.·4.8(10)

The core activity of John Heizung + Sanitär AG consists of planning, coordinating, installing and repairing heating and sanitary systems, as well as planning and installing solar systems. This includes in particular: planning and installation of heating systems such as heat pumps, gas and oil heating systems; planning and coordination of complete sanitary systems for new and existing buildings, as well as renovations; design of bathrooms according to customer needs; installation and repair of sanitary systems; and planning and installation of solar systems for environmentally friendly energy generation.

DIENER WASSERAUFBEREITUNG GmbH

Since 2012 · 11–20 empl.·4.5(16)

The core activity of Diener Wasseraufbereitung GmbH is the development, manufacture and installation of water softening systems, as well as the associated services such as maintenance and service. The water softening systems are designed to remove calcium and magnesium ions from the water to prevent scaling of pipes and sanitary appliances.

Arbenz RVT AG SG

Since 1994 · 21–50 empl.·4.9(7)

Arbenz RVT AG SG is an insurance and pension advisory firm providing risk analyses, brokerage of insurance solutions and pension planning for businesses, public institutions and private clients. Services include risk management, market comparisons and negotiation, dedicated client managers and claims coordination with insurers.

Fretz Söhne AG

Since 2016 · 11–20 empl.·4.7(12)

The core activity of Fretz Söhne AG Uznach is the installation, maintenance and repair of sanitary facilities, in particular the laying of water, sewage and gas pipes as well as the assembly of fittings and appliances. They also offer services for the renovation and new construction of bathrooms.