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.

Companies

All 27 companies in Sion

IG group Sion région SA Logo

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.

Civil Engineering FirmsOfficial surveyingSpecial works – GeodesyCivil engineering
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Editech SA, Bureau d'ingénieurs Logo

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.

Civil Engineering FirmsCivil EngineeringStructuresNew Buildings
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
IG group SA Logo

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.

Civil Engineering FirmsCivil engineeringOfficial land surveyingGeoinformation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
PAT Photogrammétrie SA Logo

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.

Civil Engineering FirmsPhotogrammetrySpecial works – GeodesyOfficial surveying
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Cominex SA Logo

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.

Civil Engineering FirmsArchitectureConstruction managementInterior architecture
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
PRA Ingénieurs conseils SA Logo

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.

Civil Engineering FirmsBuildings, load-bearing structures, civil engineering structures and seismic protectionCivil engineering and roadsRoad and rail tunnels
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
BPA Ingénieurs conseils Sàrl Logo

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.

Technical Consulting & EngineeringCivil engineeringSeismic assessments and seismic strengtheningSpecial foundation and retaining works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
AMV Masserey & Voide SA Logo

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.

Civil Engineering FirmsCivil engineering bureauProject management and client support3D modelling and surveys
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
BECO énergie SA Logo

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.

Civil Engineering FirmsElectrical studyPower installationsHome automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Hünerwadel & Häberli Sion SA Ingénieurs Conseils Logo

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.

Civil Engineering FirmsCivil EngineeringArchitectureReal Estate
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
inogy sa, succursale de Sion Logo

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.

Civil Engineering FirmsGeomonitoringHigh-precision measurementsInfrastructure and site monitoring
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #11
H + H Réalisation SA Logo

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.

Civil Engineering FirmsCivil engineeringArchitectureReal estate
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #12
Guyaz Méry Sàrl Logo

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.

Civil Engineering FirmsCivil engineering
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #13
De Saxo Ingénieurs SA Logo

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.

Civil Engineering FirmsCivil engineeringBuilding constructionBridges and special structures
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #14
RTMV.CH SA Logo

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.

Technical Consulting & EngineeringElectrical Installation Planning and EngineeringElectrical Planning for Building SystemsElectrical Planning and Coordination for Construction Projects
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #15
geoformer igp AG Logo

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.

Technical Consulting & Engineering
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #16
Gil Sequeira - Aetherys Etudes CVCS Logo

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.

Technical Consulting & EngineeringHVAC PlanningTechnical Consulting for Building ServicesEnergy Concepts and Renovation Optimisation
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #17
Ergitec Sàrl Logo

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.

Technical Consulting & EngineeringProject study supportSupport to project managementConstruction economics consulting
No score yet
stabilis ingénieurs Sàrl Logo

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.

Civil Engineering FirmsCivil EngineeringBuildingsInfrastructure
No score yet
Bertrand Grange Ingénieur Sàrl Logo

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.

Civil Engineering FirmsStructural and Civil Engineering ServicesSpecial Civil Engineering and Excavation SupportRenovation and Conversion Consulting
No score yet
Workswell Sàrl Logo

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).

Building ConstructionMCR & BMS EngineeringEnergy Audit & AdvisorySupervision & Integration
No score yet
NO

Nasis Oil Company SA

Since 2002 · 1–10 empl.

Civil Engineering Firms
No score yet
DS

DIC SA Succursale de Sion

Since 2005 · 1–10 empl.

Civil Engineering Firms
No score yet
AS

altradex SA

Since 2006 · 1–10 empl.

Civil Engineering Firms
No score yet
CB

CF Bureau Technique SA

Since 2016 · 1–10 empl.

Civil Engineering Firms
No score yet
IM

IM Maggia Engineering SA, succursale de Sion

Since 2022 · 1–10 empl.

Civil Engineering Firms
No score yet
IS

InGeoLab Suisse Sàrl

Since 2024 · 1–10 empl.

Civil Engineering Firms
No score yet

Civil Engineering Firms in Sion

27Civil Engineering FirmsCommercial register (Zefix) · as of October 10, 2026
2016Median year of registrationCommercial register (Zefix) · as of October 10, 2026
164in the Canton of ValaisCommercial register (Zefix) · as of October 10, 2026
2,175in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Civil Engineering Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026