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 profile4.2(29)

Lehrlingsstiftung suissetec aargau Gebäudetechnik-Genossenschaft

Since 1988

Intercompany coursesContinuing education programmesOccupational safety and health protection

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AW Haustechnik GmbH

Since 2020

Heating systemsPlumbing installationsVentilation technology

View profile5(6)

Hälg & Co. AG, Zweigniederlassung Aarau

Since 2022

Plant engineering / serviceHeating/coolingVentilation/air conditioning

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Steiner HTK GmbH

Since 2024

Consulting and planning for heating systemsSanitary installationsRenovation and bathroom refurbishment

View profile5(1)

Locher AG Haustechnik

Since 1992

View profile4.5(17)

AA

AEK AG

Since 2020

View profile3.5(8)

Plumbing & Building Services in Aarau

8Plumbing & Building ServicesCommercial register (Zefix) · as of August 26, 2026

2020Median year of registrationCommercial register (Zefix) · as of August 26, 2026

479in the Canton of AargauCommercial register (Zefix) · as of August 26, 2026

6,597in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Spreitenbach13 Wohlen AG13 Reinach AG13 Wettingen11 Oberentfelden11 Zofingen11 Oftringen10 Brugg AG8 Windisch7 Seon7

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 Consulting83 Property Management78 Architecture Firms53 Software Development53 Restaurants53 IT Consulting & Services51 Fiduciary Offices48 Real Estate Brokerage48 Holding Companies46 Coaching & Personal Development45 Continuing Education Institutes45 Technical Consulting & Engineering41 Real Estate Project Development36 Advertising Agencies34 NGOs & NPOs33 Recruitment & HR Consulting27 Hair Salons27 Professional & Trade Associations22 Pension Funds20 Psychiatry & Psychotherapy20 Online Shops20 Other Service Industries19 Law Firms & Notary Offices18 General Contractors18 Beauty Salons18 Cultural & Educational Organizations16 Retail - Textiles & Clothing16 Medical Technology Industry15 Trade Fair & Event Organizers14 Naturopathic Clinics14 Construction & Project Management13 Facility Management & Cleaning13 Photography12 Painting & Plastering12 Sports & Recreation Instruction12 Wellness & SPA Facilities12 Solar & Photovoltaics12 Auto Repair Shops12 Clubs, Bars & Event Venues12 Logistics & Transport Companies12 Electrical Planning & Installation11 Physiotherapy11 Catering11 Insurance Brokerage & Consulting10 Surgery Clinics10 Textile & Clothing Industry10 Publishing10 Automotive & Vehicle Trade10

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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