Plumber in
Aarau

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

Companies

All 7 companies in Aarau

Boschetti AG Logo

Boschetti AG

Since 1976 · 21–50 empl.4.1(32)

The core activity of Boschetti AG includes the planning, execution, service and maintenance of building technology systems, particularly in the areas of ventilation, air conditioning and refrigeration, as well as the implementation of repairs and conversions in residential and industrial construction.

RenovationSanitary, heating and ventilation installationsPlanning & consultingPlumbing
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Locher AG Haustechnik Logo

Locher AG Haustechnik

Since 1992 · 1–10 empl.4.6(19)

The core activity of Locher AG is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of plumbing, heating, kitchen and bathroom. This includes, among other things, the installation and maintenance of heating systems, plumbing and water systems, as well as the planning and implementation of bathrooms and kitchens. The company also offers services such as energy consulting, maintenance and repair of existing systems.

PlumberSanitary InstallationHeating InstallationPlanning and Consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
AW Haustechnik GmbH Logo

AW Haustechnik GmbH

Since 2020 · 1–10 empl.5.0(15)

The core activity of AW André Widmer Heizung Sanitär Lüftung GmbH is the planning, installation, maintenance and repair of heating, sanitary and ventilation systems, as well as renovation and modernization work in the field of building technology.

PlumberHeating systemsPlumbing installationsVentilation technology
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Lehrlingsstiftung suissetec aargau Gebäudetechnik-Genossenschaft Logo

Lehrlingsstiftung suissetec aargau Gebäudetechnik-Genossenschaft

Since 1988 · 11–20 empl.

Lehrlingsstiftung suissetec aargau Gebäudetechnik-Genossenschaft is a trade association in building services that connects member companies and provides vocational training, inter-company courses and member services such as workshops and safety guidance.

PlumberIntercompany coursesContinuing education programmesOccupational safety and health protection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Hälg & Co. AG, Zweigniederlassung Aarau Logo

Hälg & Co. AG, Zweigniederlassung Aarau

Since 2009 · 101–500 empl.

Hälg & Co. AG, Zweigniederlassung Aarau is a branch of the Hälg Group providing building services engineering and service work. The branch offers planning, installation, maintenance and renovation of heating, cooling, ventilation and sanitary systems, as well as related service and industrial solutions.

PlumberPlant engineering / serviceHeating/coolingVentilation/air conditioning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Steiner HTK GmbH Logo

Steiner HTK GmbH

Since 2017 · 1–10 empl.5.0(1)

The core activity of Steiner HTK GmbH is the planning, installation and maintenance of heating systems as well as sanitary and building technology solutions, with the aim of improving energy efficiency in Swiss homes.

EngineerConsulting and planning for heating systemsSanitary installationsRenovation and bathroom refurbishment
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #6
AA

AEK AG

Since 2020 · 1–10 empl.3.2(9)

Plumber
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #7

Plumber in Aarau

7PlumberCommercial register (Zefix) · as of November 5, 2026
2009Median year of registrationCommercial register (Zefix) · as of November 5, 2026
596in the Canton of AargauCommercial register (Zefix) · as of November 5, 2026
8,138in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Plumber in the region

Point size by number of companies per place.