Civil Engineering Firms in
Sion
27 companies in Civil Engineering Firms based in Sion — name and year of registration from the commercial register. The list below shows them all.
All 27 companies in Sion
IG group Sion région SA
Since 1998 · 51–100 empl.5.0(7)
IG group Sion région SA is an engineering and surveying firm offering official surveying, specialised geodetic works, civil engineering, geoinformation and photogrammetry (drone services), as well as urban development and agricultural structural improvements. It provides services to private clients, public authorities and professionals.
Editech SA, Bureau d'ingénieurs
Since 1995 · 11–20 empl.5.0(12)
Editech SA, Bureau d'ingénieurs provides civil engineering and reinforced-concrete engineering services, performing design and project management for new buildings, renovations and hydraulic works. The firm also undertakes seismic assessments, structural reports, thermal analyses and fire-safety quality assurance.
IG group SA
Since 2013 · 51–100 empl.5.0(7)
IG group SA is an engineering and surveying firm providing surveying, civil engineering and geoinformation services. Its offerings include official surveying, special geodetic works, civil engineering, geoinformation, photogrammetry/drone services, urban development and agricultural structural improvement projects.
PAT Photogrammétrie SA
Since 1990 · 1–10 empl.5.0(7)
PAT Photogrammétrie SA is a photogrammetry office that acquires and processes airborne and terrestrial digital images to produce topographic plans, digital terrain models, 3D models, orthophotos, vector restitutions and volume calculations.
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.
PRA Ingénieurs conseils SA
Since 1985 · 11–20 empl.
PRA Ingénieurs Conseils SA is an engineering firm specializing in the planning, consulting and design of buildings and infrastructure projects. The core activities include the areas of building planning, structural planning, civil engineering and earthquake safety; civil engineering and road construction, including road and rail tunnels; expert opinions, consulting and material management; project management, client support and problem-solving; and hydraulic engineering and management. The company offers its customers individual solutions and consulting services to successfully implement their construction and infrastructure projects.
BPA Ingénieurs conseils Sàrl
Since 2004 · 1–10 empl.
The core activity of BPA Ingénieurs conseils Sàrl is the provision of engineering consulting services, particularly in the field of construction and building. This includes expertise for new and existing buildings, including parasismic qualifications, as well as problem-solving and project monitoring.
AMV Masserey & Voide SA
Since 2011 · 11–20 empl.
The company is primarily active in the fields of engineering and construction. The core activities include: planning and execution of construction projects, particularly in the areas of building construction (buildings, residential buildings, office buildings, schools, chalets, villas) and civil engineering (roads, bridges, tunnels, sewage systems, water supply); specialized work such as foundations, special civil engineering, seismic engineering and the construction of mechanical lifts (cable cars, chairlifts); engineering services such as project management, 3D modeling, surveying, visualization and expertise in the field of construction. The company thus offers a wide range of services in the fields of engineering and construction.
BECO énergie SA
Since 2011 · 1–10 empl.4.4(5)
BECO énergie SA is an electrical contracting company that provides electrical installations, lighting, home automation, OIBT inspections, household appliances, low-voltage systems and e-mobility solutions. The company covers projects from electrical design through to implementation.
Hünerwadel & Häberli Sion SA Ingénieurs Conseils
Since 1974 · 11–20 empl.5.0(3)
Hünerwadel & Häberli Sion SA Ingénieurs Conseils is an engineering and design firm providing services in civil engineering, architecture and real estate development. Its services include structural design, road and tunnel works, underground networks, surveying, project management and construction supervision.
inogy sa, succursale de Sion
Since 2017 · 1–10 empl.4.8(5)
IGemetris Technologies SA, succursale de Sion provides surveying and geomonitoring services. Its activities include geodetic and geotechnical measurements, laser scanning, drone photogrammetry, railway monitoring and deployment of automated sensor-based monitoring solutions such as GNSS2mon, INCLINO2mon and GIS2mon.
H + H Réalisation SA
Since 2018 · 11–20 empl.5.0(3)
H + H Réalisation SA is a company offering civil engineering, architectural and real-estate services, including surveying and planning for building and infrastructure projects such as structures, roads, tunnels and water systems.
Guyaz Méry Sàrl
Since 2020 · 1–10 empl.5.0(4)
Guyaz Méry Sàrl is a civil engineering firm offering engineering services for infrastructure and building projects. Its work includes bridges, tram lines and depots, buildings, and rural engineering assignments.
De Saxo Ingénieurs SA
Since 2018 · 1–10 empl.3.0(2)
De Saxo Ingénieurs SA is an engineering office specializing in civil engineering, providing design, structural calculations and project management for buildings and infrastructure. Services include building and civil works, bridges and special structures, seismic assessments, tendering and construction supervision.
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.
geoformer igp AG
Since 2026 · 21–50 empl.
geoformer igp AG is an interdisciplinary engineering and consulting company focused on natural hazards, geology, environment/forestry and civil engineering. It provides assessments, consulting, planning and construction management for projects involving gravitational and hydrological risks, protective structures, risk management and renaturation.
Gil Sequeira - Aetherys Etudes CVCS
Since 2025 · 1–10 empl.
Gil Sequeira - Aetherys Etudes CVCS is an engineering office for HVAC and sanitary planning and consulting. The company develops studies and concepts for heating, ventilation, air conditioning, plumbing, and building services, and supports projects from design through execution.
Ergitec Sàrl
Since 2016 · 1–10 empl.
Ergitec Sàrl provides consulting and specialist engineering services focused on the geotechnical aspects of construction projects. Services include project study support, tender assistance, technical support, site supervision as a specialist, contract management and technical expertise including concrete production consulting and material valorization.
stabilis ingénieurs Sàrl
Since 2016 · 1–10 empl.
The core activity of stabilis ingénieurs Sàrl is to provide engineering services in the field of construction, particularly in the areas of: civil engineering, geotechnics, seismic engineering, special structures, underground works, building construction and environmental engineering. The company offers its services in various fields, including: building construction, hydraulic engineering, infrastructure and tunnel construction. The core activity of the company thus consists of planning, consulting and implementing construction projects in various areas of the construction industry.
Bertrand Grange Ingénieur Sàrl
Since 2016 · 1–10 empl.
The core activity of Bertrand Grange Ingénieur Sàrl is the provision of engineering services in the field of construction, particularly in the following specific areas: planning and supervision of construction projects, including expert opinions and reports; design and planning of building and hall structures made of concrete, wood or metal; bridges, footbridges and other engineering structures; special construction projects such as foundations, securing of excavations and anchorages; deep foundations with piles, pile walls and ballasted columns; urban infrastructure measures and sewerage works. The company also offers consulting and technical support in these areas.
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).
Nasis Oil Company SA
Since 2002 · 1–10 empl.
DIC SA Succursale de Sion
Since 2005 · 1–10 empl.
altradex SA
Since 2006 · 1–10 empl.
CF Bureau Technique SA
Since 2016 · 1–10 empl.
IM Maggia Engineering SA, succursale de Sion
Since 2022 · 1–10 empl.
InGeoLab Suisse Sàrl
Since 2024 · 1–10 empl.
Civil Engineering Firms in Sion
Civil Engineering Firms in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
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