Construction manager in
Sierre

10 companies in Construction manager based in Sierre — name and year of registration from the commercial register. The list below shows them all.

Companies

All 10 companies in Sierre

Gasa Hydro SA Logo

Gasa Hydro SA

Since 2012 · 11–20 empl.

Gasa Hydro SA designs, builds and maintains small hydroelectric power plants equipped with Pelton turbines. Its services cover project studies and planning, construction, commissioning and ongoing maintenance.

Construction managerDesign of small hydropower plantsConstruction of hydropower plantsMaintenance of hydropower plants
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
PROTECH - Ingénieurs-Conseils Sàrl Logo

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.

EngineerElectrical engineering servicesPhotovoltaic installationsConstruction cost control and cost appraisal
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #2
VA

Valimmovest AG

Since 2005 · 1–10 empl.

Architect
No score yet
OS

OpenSpace Sàrl

Since 2007 · 1–10 empl.

Construction manager
No score yet
LN

Laurent Natali

Since 2011 · 1–10 empl.

Construction manager
No score yet
KM

Kuonen Management & Consulting GmbH

Since 2019 · 1–10 empl.

Management consultant
No score yet
GA

GRAF architecture Sàrl

Since 2024 · 1–10 empl.

Architect
No score yet
C&

campus & saliticum immo AG

Since 2025 · 1–10 empl.

Construction manager
No score yet
OE

O'Connell Estate SA

Since 2025 · 1–10 empl.

Architect
No score yet
VS

Valmatis Sàrl

Since 2026 · 1–10 empl.

Construction manager
No score yet

Construction manager in Sierre

10Construction managerCommercial register (Zefix) · as of November 5, 2026
2024Median year of registrationCommercial register (Zefix) · as of November 5, 2026
286in the Canton of ValaisCommercial register (Zefix) · as of November 5, 2026
7,935in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Construction manager in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026