Electrical design engineer in
Sion

BTE Kessler SA

Since 2022 · 1–10 empl.·4.9(24)

BTE Kessler SA is an electrical engineering office that plans and designs electrical installations for building projects. It coordinates technical interfaces, follows project implementation, and supports testing, handover and preparation of final documentation.

Lamp Concept Sàrl

Since 2012 · 11–20 empl.·4.7(7)

Lamp Concept Sàrl plans lighting concepts for building projects and advises on the selection of suitable lighting. The company sells luminaires and components for indoor, outdoor, emergency and industrial lighting, including configurable products.

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.

BEE, Bureau d'Etudes Electriques SA

Since 1989 · 11–20 empl.

BEE, Bureau d'Etudes Electriques SA is an electrical engineering and planning office. It plans electrical installations, including power and low-voltage systems, photovoltaic systems and building technology, and provides energy consulting, inspections and expert assessments.

Ingénieur-conseils en électricité Yves Roduit Sàrl

Since 2006 · 1–10 empl.

Ingénieur-conseils en électricité Yves Roduit Sàrl is an engineering consultancy specialising in electrical systems for buildings. Its services include planning high- and low-voltage installations, energy concepts, technical assessments and audits, as well as electric-mobility projects and charging infrastructure.

Protech - Léger Laurent

Since 2008 · 1–10 empl.

Protech - Léger Laurent provides engineering consultancy and electrical design services for industrial and building projects. Its activities also include refrigeration and maturation technology, photovoltaic systems, and construction cost reviews and assessments.

BECO énergie SA

Since 2011 · 1–10 empl.·4.4(5)

PROTECH - Ingénieurs-Conseils Sàrl

Since 2024 · 1–10 empl.

PROTECH - Ingénieurs-Conseils Sàrl is an electrical engineering consultancy. It carries out electrical studies for industrial and building projects and provides services in refrigeration and ripening technology, photovoltaic installations, and construction cost control and assessment.

ELECTROSUR Sàrl

Since 2025 · 1–10 empl.·5.0(3)

ELECTROSUR Sàrl provides electrical inspections and engineering services. Its work includes OIBT-compliant inspections, electrical studies and planning for photovoltaic systems, electric-vehicle charging stations and building automation.

EnergyEco Sàrl

Since 2024 · 1–10 empl.

EnergyEco Sàrl is a building-services engineering consultancy covering heating, ventilation, air conditioning, plumbing and electrical systems. Its services include system design and sizing, tendering, preparation of execution plans and construction supervision.

Elsiko GmbH

Since 2020 · 1–10 empl.

Swiss PowerTech SA

Since 2025 · 1–10 empl.