Plumbing & Building Services in Aarau

Companies

All 8 companies in Aarau

Paul Ryser AG

Since 1972

Sanitary installationsHeating installationsService services

View profile3.3(16)

Boschetti AG

Since 1976

Sanitary, heating and ventilation installationsPlanning & consultingPlumbing

View profile4.1(32)

Lehrlingsstiftung suissetec aargau Gebäudetechnik-Genossenschaft

Since 1988

Intercompany coursesContinuing education programmesOccupational safety and health protection

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Locher AG Haustechnik

Since 1992

Sanitary InstallationHeating InstallationPlanning and Consulting

View profile4.6(19)

Hälg & Co. AG, Zweigniederlassung Aarau

Since 2009

Plant engineering / serviceHeating/coolingVentilation/air conditioning

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Steiner HTK GmbH

Since 2017

Consulting and planning for heating systemsSanitary installationsRenovation and bathroom refurbishment

View profile5(1)

AW Haustechnik GmbH

Since 2020

Heating systemsPlumbing installationsVentilation technology

View profile5(15)

AA

AEK AG

Since 2020

View profile3.5(8)

Plumbing & Building Services in Aarau

8Plumbing & Building ServicesCommercial register (Zefix) · as of September 25, 2026

2009Median year of registrationCommercial register (Zefix) · as of September 25, 2026

587in the Canton of AargauCommercial register (Zefix) · as of September 25, 2026

8,052in SwitzerlandCommercial register (Zefix) · as of September 25, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 25, 2026

Largest places

Spreitenbach19 Wohlen AG17 Oftringen16 Wettingen15 Oberentfelden13 Reinach AG12 Zofingen12 Brugg AG9 Beinwil am See9 Seon9

Industry axis

Plumbing & Building Services in other places

Plumbing & Building Services across Switzerland

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Place axis

Other industries in Aarau

All companies in Aarau

Management Consulting121 Property Management118 Holding Companies98 IT Consulting & Services80 Restaurants77 Real Estate Brokerage70 Architecture Firms67 Software Development67 Coaching & Personal Development59 Real Estate Project Development58 Fiduciary Offices54 Technical Consulting & Engineering53 Continuing Education Institutes48 Advertising Agencies47 NGOs & NPOs45 Recruitment & HR Consulting36 Trade Fair & Event Organizers34 Hair Salons31 General Contractors28 Online Shops27 Other Service Industries26 Construction & Project Management26 Cultural & Educational Organizations24 Psychiatry & Psychotherapy24 Catering24 Professional & Trade Associations23 Law Firms & Notary Offices22 Pension Funds21 Retail - Textiles & Clothing21 Beauty Salons20 Medical Technology Industry20 Financial Services19 Retail - Food & Luxury Items18 Publishing17 Facility Management & Cleaning17 Clubs, Bars & Event Venues16 Logistics & Transport Companies16 Naturopathic Clinics15 Photography14 Painting & Plastering14 Sports & Recreation Instruction14 Wellness & SPA Facilities14 Web Portals & Platform Companies14 Automotive & Vehicle Trade14 Solar & Photovoltaics13 Physiotherapy13 Wholesale - General Specialty Trade13 Wholesale - Machinery & Technical Equipment13

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Plumbing & Building Services inAarau

All 8 companies in Aarau

Plumbing & Building Services in the region

Plumbing & Building Services in other places

Other industries in Aarau

Plumbing & Building Services in
Aarau