Building contractor in
Monthey

12 companies in Building contractor based in Monthey — name and year of registration from the commercial register. The list below shows them all.

Companies

All 12 companies in Monthey

Michaud et Mariaux SA Logo

Michaud et Mariaux SA

Since 1990 · 1–10 empl.4.9(14)

Michaud et Mariaux SA is a construction company working in civil engineering and building construction. Its activities include infrastructure works such as sewer installations, building construction and renovation, earthworks, and outdoor landscaping.

Building contractorCivil engineeringBuildingsEarthworks
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
SABECO SA Logo

SABECO SA

Since 1968 · 11–20 empl.4.5(15)

The core activity of Sabeco SA is the manufacture and sale of bituminous road coatings and fresh concrete.

Building contractorReady-mix concreteCivil engineering worksBuilding works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Bionactis International Group (BIG) SA Logo

Bionactis International Group (BIG) SA

Since 2009 · 1–10 empl.

Bionactis International Group (BIG) SA specializes in industrial adiabatic processes that replace organic solvents and reduce the energy required for chemical processes.

Research instituteConstruction of sustainable buildings from recycled shipping containersAdiabatic industrial processesDevelopment of cleantech solutions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Multone Construction SA Logo

Multone Construction SA

Since 2018 · 11–20 empl.4.1(10)

Multone Construction SA is a construction company providing civil engineering and building services, including concrete works, masonry, earthworks and renovations. It also carries out infrastructure and underground network works, special and maintenance tasks, emergency interventions and acts as general contractor or construction economist for public and private clients.

Building contractorCivil engineeringBuilding construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
INDUCIVIL SA Logo

INDUCIVIL SA

Since 1990 · 1–10 empl.5.0(1)

The core activity of Inducivil SA is the execution of construction and renovation works, including masonry, second-oeuvre (interior construction), specific works and maintenance of industrial facilities. The company also provides services in the field of diagnosis of asbestos and other pollutants in buildings.

Building contractorMain constructionFinishing worksSpecialised work on industrial sites
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
Duarte Immo-Constructions SA Logo

Duarte Immo-Constructions SA

Since 2024 · 1–10 empl.5.0(1)

The core activity of Duarte Immo-Constructions SA is the planning, coordination and realization of construction projects, including the development of real estate and the provision of services in the field of construction.

Building contractorConstructionsRenovationsExternal works
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #6
APE BUILDING Sàrl Logo

APE BUILDING Sàrl

Since 2020 · 1–10 empl.

APE BUILDING Sàrl works in construction and renovation, carrying out a range of building work, including masonry and natural-stone paving.

Building contractorRenovationMasonry and natural stone paving
No score yet
PG

PROBAT GROUP SA

Since 1972 · 1–10 empl.

Building contractor
No score yet
EC

Epiney Construction SA, succursale de Monthey

Since 2013 · 1–10 empl.

Building contractor
No score yet
NI

NG Idèal Sàrl

Since 2020 · 1–10 empl.

Building contractor
No score yet
GS

Gencos Sàrl, succursale de Monthey

Since 2023 · 1–10 empl.

Building contractor
No score yet
GC

GB Construction Sàrl

Since 2023 · 1–10 empl.

Building contractor
No score yet

Building contractor in Monthey

12Building contractorCommercial register (Zefix) · as of November 6, 2026
2018Median year of registrationCommercial register (Zefix) · as of November 6, 2026
350in the Canton of ValaisCommercial register (Zefix) · as of November 6, 2026
5,330in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026