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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,807 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsSionDumas Promotion SA
Dumas Promotion SA Logo
Verified· 3 sources

Dumas Promotion SA

Summary

About the company

Dumas Promotion SA is a construction company providing services in building construction, civil engineering and general contracting. The company manages projects from design through handover and lists completed residential, commercial and infrastructure projects on its website.

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Offering

Products & services

Industry:General Contractors
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General contractor
Support for real estate projects from design to handover, cross-functional coordination, supervision, planning, technical expertise and compliance with budgets.
Building construction
Construction of residential buildings, public buildings, commercial buildings and villas or chalets, with tailored execution according to the project.
Civil engineering
Public works, road construction, development of galleries, collectors and networks, as well as engineering structures, earthworks, urban development, foundations and demolition.
Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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Location

Route du Manège 63
1950 Sion
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.713.514
Founded
1987 · 39 years
Last commercial register change
January 29, 2026
Employees
21 to 50

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