Building Construction in
Sion
30 companies in Building Construction based in Sion — name and year of registration from the commercial register. The list below shows them all.
All 30 companies in Sion
Dumas Construction SA
Since 1972 · 51–100 empl.4.7(15)
Dumas Construction SA is a construction company operating as a general contractor across building, civil engineering and infrastructure projects. Its services include residential and industrial building works, roadworks, earthworks and public infrastructure, providing project support from design to handover while integrating sustainability measures.
Sovalco SA
Since 2012 · 1–10 empl.4.9(11)
Sovalco SA is a construction and real estate firm that carries out new building projects, renovations and property sales. It provides project studies and construction execution and operates an estate agency handling the sale of villas, apartments, chalets and halls.
André Sierro SA
Since 1994 · 51–100 empl.4.3(13)
The core activity of André Sierro SA primarily encompasses the following areas: Masonry and Concrete (building construction, renovations, and conversions), Civil Engineering (construction of infrastructure such as roads, bridges, etc.), and Real Estate (construction and sale of residential and commercial properties). The company thus offers a wide range of services in the construction sector, from planning and execution of construction projects to the sale of real estate properties.
Association Valaisanne des Entrepreneurs du Bâtiment et du Génie civil (AVE)
Since 1951 · 101–500 empl.
Association Valaisanne des Entrepreneurs du Bâtiment et du Génie civil (AVE) is a professional association representing companies in building and civil engineering. The association provides member services including legal support, administration of social funds and pension schemes, vocational training, technical commissions and industry publications.
CPCV Caisse de pension de la Construction du Valais
Since 1982 · 101–500 empl.
CPCV Caisse de pension de la Construction du Valais is a pension fund that provides retirement, disability and death benefits for employees of affiliated employers in the main construction and tiling sector. It operates a bi-primauté pension plan and offers benefits above the LPP minimum, including a 7% conversion rate on the total retirement capital.
Caisse de retraite anticipée du secteur principal de la construction et du Carrelage du canton du Valais - RETABAT
Since 2000 · 101–500 empl.
Caisse de retraite anticipée du secteur principal de la construction et du Carrelage du canton du Valais - RETABAT is a foundation that administers early-retirement benefits for workers in the main construction and tiling sector. It grants early pension benefits before the ordinary statutory retirement age under federal old-age insurance law and publishes rules, application forms and information materials for insured persons and employers.
Valbaco SA
Since 2020 · 11–20 empl.
The core activity of Valbaco SA is the execution of works in the field of masonry and reinforced concrete, including formwork and ironwork.
constructionvalais
Since 2018 · 101–500 empl.4.0(26)
constructionvalais is a professional association for building and civil engineering companies. It represents contractors and related stakeholders and provides services such as vocational training, technical guidance, publications, social funds and legal protection.
M&R Groupe SA
Since 2024 · 1–10 empl.
M&R Groupe SA is a company specialising in screeds (chapes), béton ciré and resin flooring. It offers tailored solutions for new-build and renovation projects in residential, commercial and industrial settings, including decorative systems such as ECOFLOOR and rubber‑granule floor finishes.
RTMV.CH SA
Since 2025 · 1–10 empl.
RTMV.CH SA is an electrical engineering and installation company. It plans and delivers projects in building services, lighting, energy, telecommunications, IT, safety, and photovoltaic systems.
Techno Metal Post VD Sàrl
Since 2026 · 1–10 empl.
Techno Metal Post VD Sàrl provides screw piles and foundation solutions for construction projects. The company supports residential, commercial, and industrial projects with engineering services, technical documents, and certified installation partners.
CAAZ CONSTRUCTIONS PATRUNJEL
Since 2026 · 1–10 empl.
CAAZ CONSTRUCTIONS PATRUNJEL is a construction company offering exterior landscaping, demolition, earthworks, masonry and civil engineering services.
Qualibat Development SA
Since 2014 · 1–10 empl.
Qualibat Development SA is a construction company offering building and construction-related services. The website states the company is engaged in sustainable development and environmental initiatives.
Workswell Sàrl
Since 2019 · 1–10 empl.
Workswell Sàrl is an independent engineering firm specializing in Measurement–Control–Regulation (MCR) and Building Management Systems (BMS/GTC). The company provides energy audits and MCR analyses, system integration using standard protocols (BACnet, Modbus, KNX), MCR design and planning, retrofit, construction supervision and commissioning, complying with Swiss standards (SIA, KBOB).
Alban Constructions Sàrl
Since 2020 · 1–10 empl.
The core activity of Alban Constructions Sàrl is to provide services in the construction industry, particularly in the following areas: planning and execution of construction projects (Construction), civil engineering (Génie civil), renovation and refurbishment of buildings (Rénovation), execution of outdoor facilities and landscaping (Aménagement extérieur), and completion and interior finishing of buildings (Finitions). The company thus offers a comprehensive range of services for the construction, renovation, and fitting out of buildings, including villas, chalets, apartments, and other properties.
ARB Construction Sàrl
Since 2025 · 1–10 empl.
ARB Construction Sàrl is a construction company specializing in formwork and reinforcement work. It plans and carries out building projects with an emphasis on precise, safe, and durable concrete structures.
Fasanino Jean
Since 1951 · 1–10 empl.
Bativa SA
Since 1979 · 1–10 empl.
Héritier & Cie SA, entreprise de bâtiments et travaux publics
Since 1980 · 1–10 empl.
SI des Alpes Sàrl
Since 1998 · 1–10 empl.
Walo Bertschinger SA Romandie, succursale de Sion
Since 2009 · 1–10 empl.
Trani Michel SA
Since 2012 · 1–10 empl.
Art Rénovation Sàrl
Since 2015 · 1–10 empl.
Atra SA, succursale de Sion
Since 2018 · 1–10 empl.
MELLY CONSTRUCTIONS SA succursale de Sion
Since 2018 · 1–10 empl.
Les Mayens du Valais Sàrl
Since 2022 · 1–10 empl.
Bruder Ferraillage Sàrl
Since 2024 · 1–10 empl.
PRESTIGE CONSTRUCTIONS SA LTD, à Londres (GB), succursale de Sion
Since 2025 · 1–10 empl.
IC-Groupe Rénovations Sàrl
Since 2025 · 1–10 empl.
FloLand SA
Since 2025 · 1–10 empl.
Building Construction in Sion
Building Construction in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
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