General contractor in
Sion

Dénériaz SA Sion

Since 1975 · 21–50 empl.

Dénériaz SA Sion is a construction company providing building, infrastructure and timber-construction services, including carpentry, structural timber and formwork work. It acts as a general and total contractor for private and public clients and covers project phases from study/design through to execution.

Cominex SA

Since 1978 · 11–20 empl.

Cominex SA provides architectural services including building design, construction management and interior design, as well as real-estate services such as sales brokerage, property valuation and quantity surveying.

Entreprise Générale EPG Sàrl

Since 2002 · 1–10 empl.

The core activity of EPG-Nunes is the execution of excavation, outdoor space design and civil engineering works, including specialized works using the so-called "pelle araignée" (a type of telehandler). Specific activities include: excavation, outdoor space design, civil engineering, masonry, concrete works, transportation of goods and people, cleaning with a sweeper, landscaping and garden creation, winter services and snow removal, planting and gardening. The company offers these services in the Valais region, from Upper Valais to Lower Valais.

bois4u SA

Since 2009 · 1–10 empl.

bois4u SA plans and carries out custom interior fit-outs and carpentry work. The company advises on interior projects, designs interiors and makes bespoke kitchens, and also offers 3D visualisations.

Dénériaz Groupe Holding SA

Since 2020 · 1–10 empl.

Dénériaz Groupe Holding SA is a construction group providing services in building and infrastructure, timber construction and general contracting. It serves private clients and public authorities and carries projects from study and design through to execution.

SN Promotion Sàrl

Since 2018 · 1–10 empl.·4.3(22)

SN Promotion Sàrl is a real estate company that develops property promotions and offers sales and rental services for residential and commercial properties. The firm also provides architectural planning, general contracting and turnkey construction services, together with property and rental management.

Immoval SA

Since 1963 · 1–10 empl.·3.6(13)

Immoval SA is a real estate company offering brokerage, architectural services and general contracting. The firm provides property valuations, develops turnkey house models, manages planning and administrative/financial procedures, and supervises construction and sales.

Trait Point Sàrl

Since 2019 · 1–10 empl.·5.0(2)

Trait Point is an architectural firm and construction company specializing in the planning, management and execution of construction projects. Their core activities include the creation of building plans, project management and the execution of construction work, including the construction of garages, workshops and other buildings. They offer their services both as general contractors and as an architectural firm, working closely with their clients to meet their wishes and needs.

H + H Réalisation SA

Since 2018 · 1–10 empl.·5.0(3)

RENO-VAL-CHALET Sàrl

Since 2011 · 1–10 empl.·2.3(3)

Lanzaro Sàrl

Since 2018 · 1–10 empl.

Lanzaro Sàrl supplies and installs timber structures for residential and industrial buildings. It has an in-house engineering office working in BIM to provide engineering support, execution details and 3D plans, and offers complete supply-and-fit services including facades, roofs, flooring and furniture.

Groupe K Sàrl

Since 2022 · 1–10 empl.

Groupe K Sàrl brings together several companies focused on design, construction, renovation and execution of building projects. Its entities provide complementary, tailored services in architecture, general contracting (total contractor) and carpentry.

Orbya SA

Since 2025 · 1–10 empl.

Orbya SA is a general construction company providing architectural and construction management services. Its activities include project development, preparation of permit dossiers, tendering and contractor selection, site supervision and coordination, and control of costs, schedules and quality through handover and post‑completion follow‑up.

SANTIMOB Sàrl

Since 2017 · 1–10 empl.

Fumeaux Architecture Sàrl

Since 2021 · 1–10 empl.

Fumeaux Architecture Sàrl is an architectural practice providing design, project documentation and construction supervision for new builds, renovations and conversions. Services include preliminary studies, execution plans and 3D modelling (ArchiCAD), tendering and site supervision, with options for turnkey projects, property promotions and valuation expertise.

Valroute SA

Since 1960 · 1–10 empl.

Conrad Rombaldi SA

Since 1990 · 1–10 empl.

Techniques et Constructions Jacquod & Cie SA

Since 1991 · 1–10 empl.

Induni & Cie SA, succursale de Sion

Since 1998 · 1–10 empl.

AZ Conseils Sàrl

Since 2007 · 1–10 empl.

Walo Bertschinger SA Romandie, succursale de Sion

Since 2009 · 1–10 empl.

FranBio Sàrl

Since 2009 · 1–10 empl.

Caius Sàrl

Since 2010 · 1–10 empl.

anakodirectiondetravaux Sàrl

Since 2011 · 1–10 empl.

Option Design Sàrl

Since 2011 · 1–10 empl.

Homes-Cielo SA

Since 2012 · 1–10 empl.

Horizon Design S.A.

Since 2013 · 1–10 empl.

Sovrarc Sàrl

Since 2014 · 1–10 empl.

SWISS DECO, RAAD

Since 2014 · 1–10 empl.

Easy-Invest SA

Since 2015 · 1–10 empl.

AZ Group Construction SA

Since 2017 · 1–10 empl.

Swiss Investissement SA

Since 2017 · 1–10 empl.

JR Gestion Sàrl

Since 2018 · 1–10 empl.

MELLY CONSTRUCTIONS SA succursale de Sion

Since 2018 · 1–10 empl.

FD IMMO S.A.

Since 2018 · 1–10 empl.

MS entreprise générale SNC

Since 2018 · 1–10 empl.

Decigram Sàrl

Since 2020 · 1–10 empl.

HAXHAJ GROUP SA

Since 2020 · 1–10 empl.