Photovoltaics in
Sierre

Isotosi AG

Since 2006 · 21–50 empl.·4.4(19)

Isotosi AG trades in building materials for thermal insulation, waterproofing and roofing. It advises and supplies tradespeople and construction professionals, including technicians, architects and engineers, and provides support with planning and installation.

Solexis SA

Since 2010 · 21–50 empl.·4.5(4)

Solexis SA distributes complete photovoltaic systems and individual components. It provides technical planning, feasibility studies and project management, as well as technical support and training for solar professionals; its product range also includes storage, heating and charging solutions.

Sakti SA

Since 2023 · 1–10 empl.

Sakti SA provides comprehensive solutions for the transition to sustainable energy supply. The core activities include: * Installation of solar panels * Promotion of electric mobility * Provision of financing solutions for energy projects * Offering of specialized insurance solutions for energy projects The company acts as a single point of contact for customers seeking a comprehensive solution for their energy projects, from consulting to implementation, financing and securing.

PROTECH - Ingénieurs-Conseils Sàrl

Since 2026 · 1–10 empl.

PROTECH - Ingénieurs-Conseils Sàrl is an electrical engineering consultancy. It prepares electrical studies for industrial and building projects and works on refrigeration and ripening technology, photovoltaic installations, and construction cost inspections and assessments.

TECSA, Techniques Energétiques et Consulting SA

Since 1998 · 1–10 empl.

SolarSwiss Sàrl

Since 2023 · 1–10 empl.