Plumbing & Building Services in
Flawil

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.

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.

Selmani Sanitäranlagen GmbH

Since 2011 · 1–10 empl.

Selmani Sanitäranlagen GmbH is a plumbing and sanitary-installation company. It provides installation and maintenance of sanitary systems, services for new builds and renovations, boiler descaling and emergency repairs, and issues non-binding quotes.

Tobler + Buff AG

Since 2011 · 1–10 empl.

Tobler + Buff AG is a plumbing company that provides services in sanitary installations, pipe and drain cleaning, maintenance, repairs, refurbishments, and conversions. The company focuses on technical service and the professional execution of work in the sanitary sector.

AVALIT AG

Since 2008 · 1–10 empl.

Impuls Plus GmbH

Since 2025 · 1–10 empl.·5.0(12)

Die Gesellschaft bezweckt die Erbringung von Beratungs- und Dienstleistungen aller Art, insbesondere in den Bereichen Unternehmensberatung, Strategieberatung, Projekt- und Prozessmanagement, IT, Energie- und Umwelttechnik, sowie Forschung und Entwicklung für private und öffentliche Kunden. Sie kann Dienstleistungen im Zusammenhang mit der Planung, Projektierung und Ausführung von Bau- und Immobilienprojekten erbringen, einschliesslich der Erstellung, Koordination und Validierung von Datenmodelle

Novo Therm GmbH

Since 2024 · 1–10 empl.·5.0(6)

The core activity of Novo Therm GmbH is the planning, installation and maintenance of heating and sanitary systems, including the provision of energy-efficient solutions such as heat pumps. The company also offers consulting services for new buildings and renovations, focusing on highest quality, personal service and regional presence in St. Gallen and its surroundings.

Niederer Sanitär AG

Since 2024 · 1–10 empl.·4.8(4)

The core activity of Niederer Sanitär AG is the provision of services and solutions in the field of building technology, particularly in the sanitary sector.

SoHa Haustechnik GmbH

Since 2023 · 1–10 empl.·5.0(4)

The core activity of Soha Haustechnik is the planning, installation, maintenance and repair of building technology systems, in particular heating systems, heat pumps, ventilation systems and sanitary facilities, as well as the renovation and conversion of bathrooms and other rooms.

Labor Tech Gempel

Since 2025 · 1–10 empl.

Labor Tech Gempel provides services for laboratory conversion, installation, maintenance, and repair of laboratory systems. The company also supplies ISO-standard laboratory furniture and handles safety checks, spare parts management, and other work related to laboratory infrastructure.

Peric Dragan-Montage

Since 2010 · 1–10 empl.

Termo Instalacion Ramjanc

Since 2017 · 1–10 empl.