Site Preparation in the
Canton of Valais
118 companies in Site Preparation based in the Canton of Valais — name and year of registration from the commercial register.
50 of 118 companies
Epiney Construction SA
Since 2012 · 51–100 empl.4.6(32)
The core activity of Epiney Construction SA is the provision of services in the field of construction and engineering, particularly in the areas of: civil engineering (e.g. road construction, bridge construction, sewerage), building construction, and special works. The company offers a wide range of services, including planning, execution and management of construction projects, with a focus on quality, safety, scheduling and cost planning, as well as sustainability.
Michaud et Mariaux SA
Since 1990 · 1–10 empl.4.9(14)
Michaud et Mariaux SA provides civil engineering and building construction services, including works on bridges, tunnels and other infrastructure, as well as building construction and renovation. The company also performs earthworks and site development, operates construction machinery and vehicles, and offers vocational training positions.
Clausen Beton-Trenn AG
Since 1985 · 1–10 empl.5.0(12)
The core activity of Clausen Beton-Trenn AG is the execution of concrete cutting and drilling work as well as concrete demolition and dismantling. This includes in particular: concrete cutting with circular and wire saws, core drilling in concrete, masonry, artificial or natural stone or rock, concrete dismantling and demolition, pit service, disposal and removal of demolition material, and pressing work for crushing and splitting concrete parts, foundations or retaining walls as well as natural stones. The company offers these services for various fields of application, such as road construction, concrete and natural stone processing, and the execution of exploratory drilling for quality testing.
BOFFETTI TERRASSEMENT Sàrl
Since 1998 · 1–10 empl.4.8(6)
The company Boffetti Terrassement Sàrl specializes in carrying out work in the fields of excavation, demolition, civil engineering, and transportation. The core activities include: * Excavation: Excavation of foundations, preparation of construction sites, evacuation of materials, and execution of earthworks for the construction of buildings and infrastructure. * Demolition: Destruction and removal of existing structures such as buildings, bridges, and other infrastructure using specialized techniques. * Civil Engineering: Execution of work for the construction of infrastructure such as sewage systems and other underground facilities. * Transportation: Transport of building materials, demolition materials, and equipment to construction sites. The company offers its services to private individuals, companies, and public institutions and has a qualified team and modern equipment to carry out the work efficiently and safely.
Conforti SA
Since 1982 · 11–20 empl.4.2(13)
Conforti is a Swiss company specializing in the fields of construction, civil engineering, and materials extraction. The company's core activities include: Building: construction of residential buildings, office buildings, industrial facilities, and other structures; Civil engineering: planning and execution of infrastructure projects such as roads, bridges, tunnels, and other public facilities; Materials extraction: quarrying and processing of building materials, particularly at the Carrière de l'Aboyeu in Collonges. As a result, the company offers a comprehensive range of services in the construction and infrastructure sectors.
Ciampitti SA
Since 1994 · 1–10 empl.5.0(9)
The core activity of Ciampitti SA consists of carrying out work in the fields of earthworks, masonry, staircase construction and the realization of outdoor facilities, including the construction of swimming pools.
Mathieu Vouillamoz SA
Since 2012 · 1–10 empl.4.9(8)
The core activity of Mathieu Vouillamoz SA is the provision of services in the construction industry, specifically: masonry, general construction, demolition, renovation, exterior landscaping, earthworks, civil engineering, and natural stone work. The company offers these services in the central Valais region and also prepares quotes for potential customers.
Scitec Sciage SA
Since 2019 · 1–10 empl.5.0(13)
The core activity of Scitec Sciage SA is the execution of drilling, sawing and controlled concrete demolition works.
Moren Construction SA
Since 1995 · 1–10 empl.4.3(6)
The core activity of Moren Frères SA is the provision of services in the fields of construction and engineering, specifically: public works, civil engineering, asphalt paving, earthworks, outdoor facilities, river works, and building construction. The company is thus a construction and engineering company offering a wide range of services in the fields of construction and engineering.
Zenklusen-Bau AG
Since 1981 · 1–10 empl.
Zenklusen-Bau AG is a construction company carrying out building and civil engineering projects, including road works and power-plant construction. Its services also include rockfall and avalanche protection, natural-stone roofing, and operation of a concrete plant and material extraction/processing facilities.
ABA Bautec AG, Bauunternehmung
Since 1984 · 21–50 empl.
The core activity of ABA Bautec AG is civil engineering, particularly the execution of construction work in the Upper and Lower Valais regions.
GEDIL Sàrl
Since 2000 · 1–10 empl.
GEDIL Sàrl performs construction and exterior works, providing masonry, civil engineering, natural stone installation and concrete and tiling services. Its activities include excavation and slab/paving works, reinforced concrete work, retaining and dry-stone walls, paving preparation and execution, and coordination with other trades for larger projects.
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.
GROUNDTEC AG
Since 2006 · 1–10 empl.
The core activity of Groundtec AG is the development and manufacture of precision tools and machines for the processing of metal and other materials, particularly in the field of drilling and milling technology.
Roccaval Felssicherungs AG
Since 2008 · 1–10 empl.
The core activity of Roccaval Felssicherungs AG consists of carrying out rock removal work, rockfall protection nets, blasting work, monitoring, slope nets, industrial climbing and drilling work.
Bitz travaux publics SA
Since 2009 · 1–10 empl.
Bitz travaux publics SA is a construction company providing earthworks, deconstruction/demolition, civil engineering, roadworks and utility installation. The company also carries out exterior landscaping and masonry tasks, river works and material treatment (crushing/recycling), and cooperates with affiliated firms for masonry, material processing and transport.
Bitz travaux publics SA, succursale de Sierre
Since 2009 · 1–10 empl.
Bitz travaux publics SA, succursale de Sierre carries out public-works and earthmoving services, including deconstruction, civil engineering, exterior landscaping, material processing and river works.
Paler Spezialtiefbau AG
Since 2010 · 11–20 empl.
The core activity of PALER is specialized deep foundation work, in particular the execution of underground works, as indicated by the company name "Spezialtiefbau AG" and "Lavori Speciali del Sottosuolo SA" (English: Special underground works).
WERESA AG
Since 2012 · 1–10 empl.
The core activity of WERESA includes the renovation, refurbishment, conversion and new construction of real estate, in particular holiday apartments and chalets, as well as property management and the provision of services in the field of roofing and sheet metal work.
vb-power GmbH
Since 2013 · 1–10 empl.
The core activity of vb-power company includes contract work in the following areas: * Agriculture * Municipal economy * Construction * Transport Specific services include: * Excavation and construction * Off-road mulching service * Road construction and renovation * Internal and external pipe cleaning * Material management The company thus offers a wide range of services in the field of infrastructure and agriculture.
T.D. Valais SA
Since 2014 · 1–10 empl.
The core activity of T.D. Valais SA includes the following services: excavation (earthworks), demolition (building demolition), external developments (external facilities, such as garden and landscape construction), landscaping, transport (transport services), and mechanics (machine and equipment rental or maintenance). The company thus offers a wide range of services in the construction and plant engineering sector, particularly in the Swiss region of Valais.
Discobéton SA
Since 2014 · 11–20 empl.
The core activity of Discobeton SA is to provide services in the field of cutting and drilling materials, particularly with diamond technology, as well as carrying out dismantling and reinforcement work. The specific activities include: cutting and drilling materials with diamond technology, dismantling and renovation of buildings, reinforcement of buildings, and carrying out work with modern and competitive techniques. The company offers these services to customers throughout the Swiss Romandy region.
Oleïnna construction Sàrl
Since 2014 · 1–10 empl.
The core activity of Oleinna Construction Sàrl is the provision of services in the fields of construction and engineering, particularly in the following areas: building construction, civil engineering, exterior fittings, reinforced concrete, renovation, and earthworks. The company thus offers a wide range of construction services, from planning to the execution of construction projects.
NUMERO 8 Sàrl
Since 2015 · 1–10 empl.
The company 'Numéro 8' has two core activities: 1. Automotive garage: The company operates a garage where cars are repaired and maintained. 2. Travaux sur cordes (Rope-assisted work): The company offers specialized services that include work in difficult-to-access areas such as facades, caves, or trees. The employees are specially trained and certified to perform these tasks safely.
HBF Réalisations Sàrl
Since 2015 · 1–10 empl.
The core activity of HBF Réalisations SARL is to provide services in the construction sector, particularly in the following areas: masonry, renovation, excavation, expansion, demolition, and outdoor development (e.g. paths, paving, walls, partitions, terraces). The company also offers the creation of free and personalized quotes for construction and renovation projects.
Maret Yves
Since 2016 · 1–10 empl.
The company's core activity is the management and administration of the municipality of Sembrancher, including the provision of services such as water and electricity supply, waste disposal, road maintenance, security, forestry and alpine farming, as well as the management of public facilities such as schools, sports facilities and community centers.
Zengaffinen Logistik AG
Since 2016 · 51–100 empl.
Zengaffinen Logistik AG provides transport services for construction materials and machinery, machine rental and deployment, crane operations, workshop maintenance and winter clearance, including heavy transports with low‑bed trailers for loads up to 38 tonnes.
Straffler GmbH
Since 2017 · 1–10 empl.
The core activity of Straffler Tomi GmbH is the execution of walking excavator work. Additionally, the company offers courses, likely in the area of walking excavator operation or a related field.
Ulysse Avanthay SA
Since 2018 · 1–10 empl.
The core activity of Ulysse Avanthay SA is the provision of services in the field of excavation, snow removal and civil engineering, including: excavations, earthworks, road construction, outdoor facilities, special works, demolition, rehabilitation of structures, and drinking water and wastewater collection systems.
Holzjoni GmbH
Since 2019 · 1–10 empl.
Holzjoni GmbH provides construction, forestry and landscaping services, and sells firewood and regional wood products. The company also offers custom-made items, special projects and an online shop with clothing and fan merchandise.
Jossen Bau
Since 2006 · 1–10 empl.
The core activity of Jossen Bau Naters includes the following services: demolition work, renovations, refurbishments and conversions, masonry work, clearing and slope securing, excavation, blasting and precision work, as well as the upgrading of meadows and the construction of agricultural roads. The company thus offers a wide range of services in the fields of construction and agriculture.
Solioz & Merkli SA
Since 1986 · 1–10 empl.4.1(14)
Solioz & Merkli SA is a civil engineering and transport company carrying out earthworks, road construction, underground utility works and stone works such as revetments and rockfill. The company operates its own heavy vehicle fleet and mechanical workshop, provides winter road-clearance services, and coordinates recycling/valorisation of excavated materials with a treatment partner.
Wälti Terrassement et Paysagisme Sàrl
Since 2021 · 1–10 empl.5.0(3)
The core activity of Wälti terrassement paysagisme Sàrl encompasses the execution of works in the fields of terrassement and paysagisme, including: earthworks, outdoor facilities, excavations, pipe laying, rockfill installation, demolition of buildings, maintenance of green spaces, plantations, pruning and hedge trimming, and fence installation. The company thus offers a wide range of services in the fields of landscaping, earthworks, and building demolition.
Sprengtechnik GFS AG
Since 2016 · 11–20 empl.4.1(8)
The core activity of GFS AG is rockfall protection and related services, in particular: Drilling (small diameter, large diameter, cased drilling); Blasting (removal blasting, safety blasting, block stone extraction); Securing (anchoring, shotcreting, piling, rock clearing, mesh covering, rockfall protection nets); Monitoring (rock blocks, landslides, mudflows, monitoring systems, manual measurement, automatic measurement, reconnaissance flights, drones). The company thus offers a comprehensive range of services for rockfall protection and processing.
Fux Bau AG Glis
Since 1972 · 1–10 empl.5.0(3)
The core activity of Fux Bau AG is the construction and execution of construction projects, including new buildings, conversions and renovations, particularly in the area of single-family homes, multi-family homes, foundation and environmental work, as well as prefabricated construction.
Moix & Zorzi SA
Since 1992 · 11–20 empl.4.8(4)
The core activity of Moix&Zorzi is the provision of specialized services in the field of construction, particularly in the areas of: Drilling (borehole drilling), Soil investigation, Micro-piles (special foundations), Injection (injection of concrete or other materials), Shotcrete (concrete spraying), Anchoring (anchoring of structures), Geothermal energy (use of geothermal energy), Pile walls (sheet pile walls), and Berlin walls. The company offers these services as a general contractor for construction projects and has specialized in the execution of complex construction projects.
Suissemétal Sàrl
Since 2020 · 1–10 empl.5.0(5)
The core activity of Suisse Métal Sàrl primarily encompasses the following areas: 1. **Dismantling and Demolition**: The company offers services in the field of dismantling and demolition of various structures and facilities, including boilers, oil tanks, elevators, metal frameworks, and pipes. 2. **Metal Recycling**: Suisse Métal Sàrl specializes in the recycling of various metals such as iron, copper, bronze, brass, aluminum, and stainless steel. 3. **Transportation and Handling**: The company provides transportation and handling services, including the provision of containers (bins) in various sizes. 4. **Waste Treatment**: Suisse Métal Sàrl also treats other types of waste, such as bulky waste, inert waste, wood, and special waste. Overall, the company's focus is on services in the areas of dismantling, demolition, recycling, and waste treatment, with a particular emphasis on environmental protection and safety.
Masserey SA, Terrassements et Transports
Since 1996 · 11–20 empl.5.0(1)
The core activity of Masserey SA encompasses a wide range of services in the construction and transportation industry, including: * Transportation services * Earthworks * Container services * Construction works * Road construction and maintenance * Winter maintenance (snow removal) * Green space maintenance The company thus offers a broad spectrum of services that are relevant to both private and public clients.
Zeiter Konrad AG Bauunternehmung
Since 1994 · 1–10 empl.5.0(4)
The core activity of Zeiter Konrad AG is the provision of construction services in the fields of building construction, civil engineering and renovation, particularly in the Valais region, Switzerland.
Solioz & Merkli Travaux Publics SA
Since 2019 · 1–10 empl.4.1(14)
Solioz & Merkli Travaux Publics SA is a civil engineering and public works company offering transport services, earthworks, road construction, installation and maintenance of underground utilities, winter services and stonework (paving, riprap, embankments). The company also operates an on-site mechanical workshop and coordinates material recovery and recycling of excavated materials.
Brigger Bau AG
Since 2011 · 1–10 empl.4.2(11)
Brigger Bau AG is a construction company that carries out building and civil engineering projects as well as renovations and demolition work. Its services include transport operations, supply of gravel and concrete from on-site plants, recycling and blasting, and project planning/general contracting.
Sébastien Cheseaux SA
Since 2011 · 1–10 empl.4.8(6)
Sébastien Cheseaux SA is a company whose website provides only general contact information, including address, telephone number and email. The site does not specify any particular products or services.
Gaston Moret SA
Since 1985 · 1–10 empl.5.0(3)
The core activity of Gaston Moret SA encompasses the areas of masonry, construction and engineering. Specifically, the company offers the following services: masonry, construction of single-family homes, construction of multi-family homes, engineering (particularly civil engineering), building renovation, and outdoor facilities (e.g. terraces, gardens). The company positions itself as a reliable partner for construction projects and offers a wide range of services to meet the needs of its customers.
Workspassion Sàrl
Since 2020 · 1–10 empl.
Workspassion Sàrl is a company providing earthworks, civil engineering, exterior landscaping and material transport services. Its activities include excavation and ground preparation, small civil works (pipes, manholes, curbs), creation and renovation of exterior areas, and transport/evacuation of materials using suitable equipment (including a multilift truck), serving private, commercial and public clients.
Evéquoz SA
Since 1971 · 51–100 empl.1.0(2)
Evéquoz SA is a construction and civil engineering company offering services across building and civil works. Services include masonry and reinforced concrete work, renovations, earthworks, asphalt surfacing, transport services and material revalorization.
Ecoeur Terrassements SA
Since 2002 · 1–10 empl.5.0(1)
The core activity of Ecoeur Terrassements SA is the provision of services in the field of civil engineering, particularly in the execution of earthworks and deep foundation works, such as terracing, as well as in the transportation and management of construction machinery.
GW Geowärme AG
Since 2006 · 1–10 empl.5.0(2)
The core activity of GW Geowärme AG is the execution of geothermal boreholes and consulting customers on the use of geothermal energy as a heat source. The company offers services such as planning and execution of geothermal boreholes, installation of heat pumps and consulting on the conversion of existing heating systems to geothermal energy.
GUTA GENERAL
Since 2021 · 1–10 empl.
The core activity of Guta General is to provide services in the field of masonry and landscaping. Specifically, this includes: Masonry: formwork, curbs, paving, paving, dry stone walls, rockfilling, demolition, tiling; Landscaping: creation and maintenance of gardens, installation of automatic irrigation systems, manufacture of planters and flower boxes; Additional services: snow removal. The company thus offers a wide range of services in the field of construction and gardening.
Maquignaz Terrassement Sàrl
Since 2014 · 1–10 empl.5.0(2)
Maquignaz Terrassement Sàrl provides earthworks, exterior landscaping, forestry services, and snow clearance and salting. The company carries out projects for private clients, municipalities and businesses and operates throughout Switzerland.
Bittel & Jeiziner Bau GmbH
Since 1997 · 1–10 empl.3.0(2)
Jeiziner & Bittel is a construction company specializing in the planning, execution, and renovation of properties, particularly chalets, in the Bellwald region. The core activities include: Chalet construction and renovations, extensions and conversions, environmental work (e.g. mowing, landscaping, and excavation work, transportation), shingle roofing, firewood service (delivery and disposal of firewood), and real estate brokerage (sale and acquisition of properties in Bellwald). The company thus offers a comprehensive range of services in the construction and real estate sectors.
Site Preparation in the Canton of Valais
Site Preparation in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
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