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DirectoryCrafts & TradesElectrical Planning & InstallationMontheyGRAU Electricité SA
GRAU Electricité SA Logo
Verified· 4 sources

GRAU Electricité SA

Summary

About the company

GRAU Electricité SA is an electrical service provider that designs, installs and maintains electrical systems. Its services include photovoltaic installations, home automation (domotics), lighting, telephony and network solutions, electric vehicle charging stations, OIBT safety inspections, district heating connections and repair/emergency services; the company also sells household appliances via a webshop.

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Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered9
Electrical installations
Electrical installations for residential homes and industrial buildings, in new builds and renovations; planning, tailored advice and solutions suited to technical requirements.
OIBT inspection
OIBT inspection of electrical installations, control planning, coordination of the parties involved and delivery of an official safety certificate in case of compliance.
Smart home
Smart home for new or renovated buildings, heating control, lighting management, automation of technical tasks and centralized touchscreens.
Photovoltaic systems
Photovoltaic systems for homes and businesses, solar panels, mounting either on the surface or integrated, administrative procedures, final certification and subsidy applications.
Telephony & network
Telephony and network with Internet and TV connection, business telephone systems, mobile subscriptions, repair of smartphones and management of subscriptions.
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Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle4.627
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

November 12, 2025Media
Qui sont les 3 finalistes du Prix Sommet 2025?
lenouvelliste.ch
September 3, 2022Media
Monthey: chez les Grau, le courant passe depuis un siècle
lenouvelliste.ch

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Location

Avenue de l'Industrie 8
1870 Monthey
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:30
Tue
08:00 - 12:00, 13:30 - 18:30
Wed
08:00 - 12:00, 13:30 - 18:30
Thu
08:00 - 12:00, 13:30 - 18:30
Fri
08:00 - 12:00, 13:30 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.758.518
Founded
1989 · 37 years
Last commercial register change
February 15, 2021
Employees
11 to 20

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