General Contractors in Sion

Companies

50 of 66 companies

Immoval SA

Since 1963

Real estate brokerageProperty appraisalReal estate development

View profile3.2(10)

Dumas Construction SA

Since 1972

General contractorBuilding constructionCivil engineering

View profile4.7(15)

Dénériaz SA Sion

Since 1975

BuildingInfrastructure

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Cominex SA

Since 1978

ArchitectureConstruction managementInterior architecture

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Dumas Promotion SA

Since 1987

General contractorBuilding constructionCivil engineering

View profile4.7(15)

Pana Immob CBS, Narcisse Pannatier

Since 1990

Total construction companyVilla constructionChalet construction

View profile4.4(54)

Editech SA, Bureau d'ingénieurs

Since 1995

Civil EngineeringStructuresNew Buildings

View profile5(12)

Entreprise Générale EPG Sàrl

Since 2002

EarthworksOutdoor landscapingLandscaping

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SN Real Estate Development Sàrl

Since 2006

Real-estate salesNew real-estate promotionsProperty letting

View profile4.3(22)

bois4u SA

Since 2009

Interior designKitchensPersonalised advice

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LATICO Sàrl

Since 2011

Architectural officeReal estate developmentGeneral contractor

View profile4.3(9)

Clivaz SA Immobilier

Since 2011

JoineryFit-outRenovation

View profile4.9(16)

Sovalco SA

Since 2012

General contractorReal estate for saleRenovations

View profile4.9(11)

SN construction & rénovation Sàrl

Since 2015

Architecture - Project DevelopmentConstructionSale - Property Development

View profile4.3(22)

SN Promotion Sàrl

Since 2018

Real estate developmentsReal estate salesProperty rental management

View profile4.3(22)

Lanzaro Sàrl

Since 2018

Timber engineeringSupply of building materialsAssembly of timber structures

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H + H Réalisation SA

Since 2018

Civil engineeringArchitectureReal estate

View profile5(3)

Trait Point Sàrl

Since 2019

ConstructionConstruction managementTurnkey project

View profile5(2)

Dénériaz Groupe Holding SA

Since 2020

Total contractorGeneral contractorBuilding

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Dénériaz Bâtiment et Infrastructures SA

Since 2021

Building worksInfrastructure worksGeneral contractor

View profile4.8(6)

Dénériaz Entreprise Générale SA

Since 2021

General contractorTotal contractor

View profile4.8(6)

Dénériaz Construction Bois SA

Since 2021

Timber framingFormworkIndustrial buildings

View profile5(6)

Groupe K Sàrl

Since 2022

ArchitectureTotal contractingJoinery

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Orbya SA

Since 2025

ArchitectureDevelopment and executionSale of property developments

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SANTIMOB Sàrl

Since 2017

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Fumeaux Architecture Sàrl

Since 2021

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VS

Valroute SA

Since 1960

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CR

Conrad Rombaldi SA

Since 1990

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TE

Techniques et Constructions Jacquod & Cie SA

Since 1991

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I&

Induni & Cie SA, succursale de Sion

Since 1998

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AC

AZ Conseils Sàrl

Since 2007

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WB

Walo Bertschinger SA Romandie, succursale de Sion

Since 2009

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FS

FranBio Sàrl

Since 2009

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CS

Caius Sàrl

Since 2010

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AS

anakodirectiondetravaux Sàrl

Since 2011

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RS

RENO-VAL-CHALET Sàrl

Since 2011

View profile2.3(3)

OD

Option Design Sàrl

Since 2011

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HS

Homes-Cielo SA

Since 2012

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HD

Horizon Design S.A.

Since 2013

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SS

Sovrarc Sàrl

Since 2014

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SD

SWISS DECO, RAAD

Since 2014

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ES

Easy-Invest SA

Since 2015

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AG

AZ Group Construction SA

Since 2017

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SI

Swiss Investissement SA

Since 2017

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JG

JR Gestion Sàrl

Since 2018

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MC

MELLY CONSTRUCTIONS SA succursale de Sion

Since 2018

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FI

FD IMMO S.A.

Since 2018

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ME

MS entreprise générale SNC

Since 2018

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DS

Decigram Sàrl

Since 2020

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HG

HAXHAJ GROUP SA

Since 2020

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General Contractors in Sion

66General ContractorsCommercial register (Zefix) · as of September 23, 2026

2018Median year of registrationCommercial register (Zefix) · as of September 23, 2026

437in the Canton of ValaisCommercial register (Zefix) · as of September 23, 2026

9,178in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

General Contractors in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Monthey22 Martigny17 Crans-Montana15 Collombey13 Conthey12 Savièse10 Fully10 Visp9 Vétroz9 Muraz (Collombey)8

Industry axis

General Contractors in other places

General Contractors across Switzerland

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Place axis

Other industries in Sion

All companies in Sion

Real Estate Project Development381 Holding Companies321 Property Management212 Restaurants206 Real Estate Brokerage200 Architecture Firms116 IT Consulting & Services97 Management Consulting93 Fiduciary Offices79 Technical Consulting & Engineering77 Software Development74 Advertising Agencies66 Automotive & Vehicle Trade59 Auto Repair Shops57 NGOs & NPOs54 Trade Fair & Event Organizers51 Hair Salons49 Financial Services42 Other Service Industries41 Facility Management & Cleaning41 Clubs, Bars & Event Venues40 Research & Development39 Coaching & Personal Development38 Plumbing & Building Services38 Building Maintenance36 Electrical Planning & Installation36 Retail - Textiles & Clothing36 Cultural & Educational Organizations35 Psychiatry & Psychotherapy35 Online Shops35 Construction & Project Management34 Logistics & Transport Companies34 Physiotherapy33 Recruitment & HR Consulting30 Continuing Education Institutes30 Insurance Brokerage & Consulting29 Medical Technology Industry29 Administrative Services28 Building Construction28 Painting & Plastering28 Retail - Food & Luxury Items28 Interior Design & Furnishing27 Sports & Recreation Instruction27 External Asset Management27 Viticulture26 Wholesale - General Specialty Trade26 Hotels26 Civil Engineering Firms25

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General Contractors inSion

50 of 66 companies

General Contractors in the region

General Contractors in other places

Other industries in Sion

General Contractors in
Sion