Electrical Planning & Installation in
Sion

36 companies in Electrical Planning & Installation based in Sion — name and year of registration from the commercial register. The list below shows them all.

Companies

All 36 companies in Sion

Telsa Immo SA Logo

Telsa Immo SA

Since 1982 · 1–10 empl.4.6(24)

Telsa Immo SA is a Swiss company active in electrical engineering, industrial electronics and renewable energy. It designs and produces electrical control cabinets, automation solutions, electronic assemblies and mini hydropower systems.

Electrical Planning & InstallationElectrical engineeringIndustrial electronicsRenewable energies
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Electroalpes Sàrl Logo

Electroalpes Sàrl

Since 2007 · 1–10 empl.4.5(23)

The core activity of Electroalpes Sàrl is the provision of services in the field of electrical engineering, particularly in the installation, maintenance and repair of electrical systems in residential and commercial buildings, as well as in providing solutions for electromobility (charging stations). Specific activities include: installations for residential and commercial buildings (e.g. lighting, heating, electrical systems), transformations and renovations of electrical systems, repair and maintenance of electrical systems, installation of charging stations for electric vehicles, and consulting and support in the planning and implementation of electrical systems.

Electrical Planning & InstallationElectrical installationsLighting installationsTelephone and IT installations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
ETAVIS Romandie SA Logo

ETAVIS Romandie SA

Since 1962 · 101–500 empl.

ETAVIS Romandie SA provides services in electrotechnics, communication and automation, including electrical installations, planning, inspections, maintenance and energy-efficiency and photovoltaic solutions. It consolidates ETAVIS activities in Romandy and serves private and professional customers.

Electrical Planning & InstallationElectrical installationsCommunication solutionsBuilding automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
BEE, Bureau d'Etudes Electriques SA Logo

BEE, Bureau d'Etudes Electriques SA

Since 1989 · 11–20 empl.

BEE SA (Bureau d'Etudes Electriques SA) is an engineering firm specializing in the planning and implementation of electrical systems. The company's core activities include: planning and design of electrical systems, creation of circuit diagrams and electrical circuits, monitoring and coordination of construction projects, financial cost management, coordination of various technical disciplines, creation of expert opinions and reports, installation and maintenance of electrical systems, including photovoltaic systems and Minergie systems. The company also offers security services, such as the installation of lightning protection systems and the conduct of safety audits.

Electrical Planning & InstallationElectrical planningHigh-current powerLow-current systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Grichting & Valterio Electro SA Logo

Grichting & Valterio Electro SA

Since 2009 · 21–50 empl.

Grichting & Valterio Electro SA is an electrotechnical company that provides electrical installations, distribution systems, maintenance and service work, and telematics, automation and security solutions for residential, industrial and infrastructure buildings. The company is part of Groupe Burkhalter.

Electrical Planning & InstallationElectrical InstallationsDistribution InstallationsService and Maintenance
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
OIKEN Solutions SA Logo

OIKEN Solutions SA

Since 2015 · 1–10 empl.

OIKEN Solutions SA provides energy and network services, including electricity, solar energy, heating, mobility and energy-efficiency solutions. The company also offers multimedia services such as internet, TV and telephony, as well as technical services for private customers, businesses and municipalities.

Electrical Planning & InstallationElectrical installationsTelecommunications installationsHome automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
ELECTRO VALAIS SA Logo

ELECTRO VALAIS SA

Since 2018 · 1–10 empl.

The core activity of Electro Valais SA is the provision of services in the field of electrical installations. The company offers high-quality solutions to meet the needs of its customers, including the planning, installation and maintenance of electrical systems.

Electrical Planning & InstallationElectrical InstallationsTelecommunications and MultimediaHome Automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Tab Tec, Tableaux et Matériel Electrique Sàrl Logo

Tab Tec, Tableaux et Matériel Electrique Sàrl

Since 1996 · 11–20 empl.4.4(8)

Tab Tec, Tableaux et Matériel Electrique Sàrl manufactures and supplies electrical distribution boards and aluminium enclosures, offering configurable panels and related accessories. Product ranges include the MiniTal and TAL panels for residential, commercial and industrial applications, with assemblies produced and tested according to SN61439-1/2/3 and available in custom finishes and catalogue formats.

Electrical Planning & InstallationElectrical distribution boardsAluminium electrical enclosuresDelivery of electrical materials
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Schenkel Electricité Sàrl Logo

Schenkel Electricité Sàrl

Since 2003 · 1–10 empl.4.2(20)

Electrical Planning & InstallationGeneral electrical installations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
BSN ELECTRO Sàrl Logo

BSN ELECTRO Sàrl

Since 2006 · 1–10 empl.4.4(5)

BSN ELECTRO Sàrl is an electrical services company that carries out electrical installations and studies and provides services including power (high-current) and low-current systems, lighting, home automation, OIBT inspections, appliance installation and e-mobility solutions.

Electrical Planning & InstallationHigh-current power electrical installationElectrical studyLighting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
AZ Electricité Sàrl Logo

AZ Electricité Sàrl

Since 1998 · 1–10 empl.5.0(3)

AZ Electricité Sàrl is an electrical services company that carries out installation, maintenance and repair of electrical systems and installs photovoltaic systems; it also sells and installs household appliances and performs OIBT inspections.

Electrical Planning & InstallationElectrical installationElectrical maintenanceElectrical troubleshooting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
FAUCHERE Tableaux Electriques SA Logo

FAUCHERE Tableaux Electriques SA

Since 2008 · 11–20 empl.4.0(4)

The core activity of Fauchère Tableaux Électriques SA is the development, manufacture and distribution of electrical switchgear and systems, particularly low-voltage switchgear and distributors for use in industry and construction. The company also offers services such as installation, cabling and maintenance of electrical systems.

Electrical Planning & InstallationManufacture of switchgear assembliesAssembly and wiring of electrical control panelsCAD schematics
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #12
Skywatt SA Logo

Skywatt SA

Since 2023 · 1–10 empl.5.0(9)

The core activity of Skywatt SA is the planning, installation and maintenance of solar systems, including photovoltaic systems, battery storage and charging stations for electric vehicles. The company also offers comprehensive services such as coordinating permit procedures, performing inspections and maintenance, and developing customized solutions for the energy transition.

Technical Consulting & EngineeringPhotovoltaic installationSolar batteryCharging stations
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #13
Sionic SA Logo

Sionic SA

Since 1966 · 11–20 empl.3.0(2)

The core activity of Sionic SA encompasses the development, conception, implementation, and maintenance of solutions in the fields of security, communication, and energy. Specifically, the company offers the following services: * Security solutions: Emergency and security lighting, Evacuation sonorization, Intercom systems * Communication solutions: Intercom systems, Sonorization * Energy solutions: Photovoltaics, Solar photovoltaic installations * Maintenance and service: High-level technical maintenance for the above-mentioned solutions The company positions itself as an innovative partner for its customers, offering tailored solutions to meet their security, communication, and energy needs.

Electrical Planning & InstallationPhotovoltaicsIntercom systemsEmergency and safety
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #14
Montanini Field Services SARL Logo

Montanini Field Services SARL

Since 2021 · 1–10 empl.4.9(7)

The core activity of Montanini Field Services Sàrl consists in providing services in the field of electrical installations and systems, particularly in the areas of: * Installation and commissioning of electrical systems * Maintenance and repair of electrical systems * Modernization and retrofit of electrical systems * Preventive maintenance and inspection of electrical systems The company offers these services primarily for industrial electrical systems and works closely with its customers and partners to provide tailored solutions.

Electrical Planning & InstallationTroubleshooting and Maintenance ServiceElectrical Installation and CommissioningElectrical System Modernization
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #15
Alpélec Sàrl Logo

Alpélec Sàrl

Since 2007 · 1–10 empl.4.0(5)

Alpélec Sàrl provides electrical services including design, planning and turnkey execution of electrical installations. Its offerings include renovations, home/building automation and the installation of charging stations for e-mobility for residential, commercial and industrial clients.

Electrical Planning & InstallationPlanning studiesExecutionRenovations
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #16
Willy Bonvin Electricité SA Logo

Willy Bonvin Electricité SA

Since 2015 · 1–10 empl.3.7(9)

The core activity of Willy Bonvin Electricité SA is the provision of services in the field of electrical engineering, particularly in the following areas: installation of electrical systems for residential and commercial properties, such as villas, apartments, industrial halls and basements; installation of photovoltaic systems; repair and maintenance services for electrical systems and devices; telephone systems and installations; and electrical systems for household appliances and devices. The company also offers services such as creating quotes, plans and projects in the field of electrical engineering.

Electrical Planning & InstallationElectrical troubleshootingElectrical installationsElectrical studies, quotations and plans
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #17
EV

ElecConcept Valais SA

Since 2018 · 1–10 empl.5.0(3)

Electrical Planning & Installation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #18
ENERCO Sàrl Logo

ENERCO Sàrl

Since 2019 · 1–10 empl.5.0(1)

ENERCO Sàrl provides planning, consulting, project execution and installation of photovoltaic systems and solar carports, including self‑consumption solutions. The company also supplies and integrates electric vehicle charging infrastructure and serves residential, commercial, tourism and public‑sector clients.

Electrical Planning & InstallationPhotovoltaic installationsSelf-consumptionSolar carport
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #19
FE

Fast Electricité Sàrl

Since 2022 · 1–10 empl.5.0(2)

Electrical Planning & Installation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #20
RTMV.CH SA Logo

RTMV.CH SA

Since 2025 · 1–10 empl.

RTMV.CH SA is an electrical engineering and installation company. It plans and delivers projects in building services, lighting, energy, telecommunications, IT, safety, and photovoltaic systems.

Technical Consulting & EngineeringElectrical Installation Planning and EngineeringElectrical Planning for Building SystemsElectrical Planning and Coordination for Construction Projects
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #21
ELECTRICITE SEDUNOISE SA Logo

ELECTRICITE SEDUNOISE SA

Since 1999 · 1–10 empl.

Electrical Planning & Installation
No score yet
ELBO SA Logo

ELBO SA

Since 2024 · 1–10 empl.

Electrical Planning & Installation
No score yet
G&

Grichting & Valterio Groupe SA

Since 1952 · 1–10 empl.

Electrical Planning & Installation
No score yet
GS

Garaventa SA, succursale de Sion

Since 2005 · 1–10 empl.

Electrical Planning & Installation
No score yet
DS

DessElec Sàrl

Since 2008 · 1–10 empl.

Electrical Planning & Installation
No score yet
DE

Dom Expertise Sàrl

Since 2013 · 1–10 empl.

Electrical Planning & Installation
No score yet
ES

ENRCONTACT Sàrl

Since 2013 · 1–10 empl.

Electrical Planning & Installation
No score yet
EG

Elsiko GmbH

Since 2020 · 1–10 empl.

Electrical Planning & Installation
No score yet
OA

Ohms AutomaSion Sàrl

Since 2022 · 1–10 empl.

Technical Consulting & Engineering
No score yet
CE

C&M Electricité Sàrl

Since 2023 · 1–10 empl.

Electrical Planning & Installation
No score yet
GE

Galantica Electricité Sàrl

Since 2023 · 1–10 empl.

Electrical Planning & Installation
No score yet
SÉ

Sherifi électricité

Since 2024 · 1–10 empl.

Electrical Planning & Installation
No score yet
LE

Luisier Electricité S.A.

Since 2024 · 1–10 empl.

Electrical Planning & Installation
No score yet
LS

Lightmeup SA

Since 2024 · 1–10 empl.

Electrical Planning & Installation
No score yet
MD

Marques de Queiroz

Since 2025 · 1–10 empl.

Electrical Planning & Installation
No score yet

Electrical Planning & Installation in Sion

36Electrical Planning & InstallationCommercial register (Zefix) · as of October 10, 2026
2015Median year of registrationCommercial register (Zefix) · as of October 10, 2026
326in the Canton of ValaisCommercial register (Zefix) · as of October 10, 2026
6,517in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Electrical Planning & Installation in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026