Site Preparation
in Switzerland
1,402 companies in Site Preparation in the Swiss commercial register, indexed across 25 canton and 17 town pages.
50 of 1,402 companies
Heim Bohrtechnik AG
Altstätten Sg · Since 2006 · 11–20 empl.4.9(158)
The core activity of HEIM Bohrtechnik AG is the planning and execution of geothermal drilling and well drilling, particularly for the extraction of geothermal energy. The company offers consulting, planning and execution of drilling services to extract geothermal energy for buildings.
Schenk AG Heldswil
Heldswil · Since 1989 · 21–50 empl.4.7(55)
The core activity of Schenk AG Heldswil encompasses a wide range of services in the construction and infrastructure sector, particularly: drilling, civil engineering, road construction, pipeline construction, mechanical engineering, location services, planning and surveying, and pipe bursting. The company thus provides comprehensive solutions for construction projects, from planning and surveying to the execution and maintenance of infrastructure projects.
Eberhard AG
Rheinfelden · Since 1984 · 21–50 empl.4.6(34)
Eberhard AG provides construction and environmental services, including civil engineering, demolition, and contaminated-site remediation, together with logistics and suction-technology services. The company also produces and processes building materials such as concrete and aggregates, including recycled materials, and offers transport and disposal services.
Peter Schmid Baudienstleistungen
Aeugstertal · Since 2007 · 11–20 empl.4.8(82)
Peter Schmid Baudienstleistungen provides transport, waste disposal and recycling services, construction services, and gravel and natural stone trading. Offerings include container services (Muldenservice), pickup services, transport logistics, demolition, excavation and utility/civil engineering works.
Bernasconi Bau AG
Luterbach · Since 2005 · 51–100 empl.4.9(21)
Bernasconi Bau AG is a construction company offering building construction, civil engineering and maintenance services, as well as specialized concrete work (betonArt), and acting as a general contractor to coordinate projects.
Oberhänsli Bau AG
Mosnang · Since 2011 · 51–100 empl.5.0(23)
Oberhänsli Bau AG is a construction company providing demolition, concrete processing and above- and below-ground building works. Its services also include plastering and base-slab work, tile coverings, site/landscaping work, architectural/project management, real-estate offerings and a mobile children’s construction-site program.
Lötscher Tiefbau AG
Lucerne · Since 1958 · 101–500 empl.4.4(69)
The company's core activity is the construction and maintenance of infrastructure projects, particularly in the areas of civil engineering, road construction, earthworks and demolition. This includes, among other things: road construction, sewer and pipeline construction, sports field construction, engineering deep foundation work, pavement construction, hydraulic engineering, environmental work, and earthworks (excavation technology, soil stabilization, landfill and soil improvement, contaminated site remediation, demolition). The company offers these services as a full-service provider and focuses on the planning, execution and maintenance of infrastructure projects.
Sotrag SA
Etoy · Since 1979 · 21–50 empl.4.7(32)
Sotrag SA is a construction company providing demolition, earthworks and civil engineering services. The company operates quarries and offers treatment, recycling and recovery of mineral materials, including decontamination services.
Hans Grieder AG, Aushub und Tiefbau
Tecknau · Since 1980 · 11–20 empl.4.8(64)
The core activities of Hans Grieder AG include the following areas: Civil Engineering: Execution of construction projects in the field of civil engineering, including small works and large contracts. Skip Service: Rental of skips in various sizes for environmentally friendly disposal of materials. Environmental Works: Execution of works in the field of environmental design, including gardening and natural stone processing. Waste Disposal: Disposal of waste, including sorting and recycling. Demolition: Demolition of objects, including preparation of materials for reuse. The company offers these services to private and business customers and emphasizes quality, experience, and competitive prices.
Staba-Bau AG
Binz · Since 2001 · 1–10 empl.5.0(34)
Staba-Bau AG is a construction company that provides remodeling, renovation, and customer service. It handles building and refurbishment projects and supports repairs in case of damage.
Handwerker Allround GmbH
Ebmatingen · Since 2003 · 1–10 empl.5.0(40)
The core activity of Handwerker Allround GmbH is the provision of comprehensive craftsmanship services for private and commercial customers in the greater Zurich area. This includes, among other things: general contracting, renovations, bathroom renovations, painting, plastering, flooring, repairs, tile laying, carpentry, and demolition work. The company thus offers a wide range of craft services tailored to the needs of its customers.
Stamm Bau AG
Arlesheim · Since 2006 · 101–500 empl.4.4(69)
The core activity of Stamm Bau AG is the provision of comprehensive construction and real estate services, including planning, consulting, renovation, refurbishment, façade construction, metal and steel construction, carpentry, painting, plastering, parquet and flooring work, as well as hazardous substance remediation. The company also offers overall services as a general or total contractor, where it carries out projects from development to realization.
Epiney Construction SA
Sierre · 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.
Ziegelei Fisibach AG
Fisibach · Since 1974 · 21–50 empl.4.8(23)
Ziegelei Fisibach AG is a brick manufacturer within the FBB group producing masonry bricks. Production at the plants covers all steps from mixing and preparing raw materials to firing the bricks. The group's brick expertise is consolidated and marketed through Kubrix AG.
Brusa Bauunternehmung AG
Steinen · Since 2005 · 101–500 empl.4.8(22)
Brusa Bauunternehmung AG is a construction company offering building planning, structural and civil works, renovation, façade plastering and exterior site works, and managing real estate projects. The company provides both complete-project (total contractor) solutions and individual services.
Müller Aarberg AG
Aarberg · Since 2000 · 11–20 empl.4.8(24)
The core activity of Müller Aarberg AG is the construction and planning of high-rise buildings, civil engineering and road construction, conversions, as well as the provision of services in the field of sewer renovation, core drilling, tightness testing and sewer works.
ERNE AG Bauunternehmung
Laufenburg · Since 2003 · 101–500 empl.4.9(7)
ERNE AG Bauunternehmung is a construction company that executes building and civil engineering projects and operates as a builder, general contractor and total contractor. Its services include new construction, infrastructure and water-construction works, renovation, concrete drilling and other specialist construction services, as well as engineering, BIM and sustainability-related services.
Gebr. Jetzer Hoch- und Tiefbau AG
Schnottwil · Since 1996 · 51–100 empl.4.5(34)
The core activity of Gebr. Jetzer AG encompasses various services in the construction sector, particularly: earthworks, road construction, pipeline and drainage construction, hydraulic engineering, water supply, transportation and muck-away services, excavator taxi and suction excavator services. Thus, the company offers a wide range of services in the fields of civil engineering and construction.
Sotragen SA
Etoy · Since 2019 · 101–500 empl.4.7(32)
Sotragen SA provides demolition, earthworks, pollution remediation, quarry operation and the processing and recycling of mineral construction materials. The company serves private and public clients, general contractors and engineering firms.
Loosli Bau AG
Schmiedrued · Since 2000 · 21–50 empl.5.0(18)
The core activity of Loosli Bau AG encompasses the areas of construction, civil engineering, transportation, suction dredging, metal construction, trough service and tightness testing. The company thus offers a wide range of services in the construction industry, from planning and execution of construction and civil engineering projects to specialized services such as suction dredging and metal construction.
Erne Bau AG
Egerkingen · Since 1983 · 21–50 empl.4.4(31)
Erne Bau AG is a construction company that operates as a builder and as a general and total contractor, providing main construction services including building construction, civil engineering, renovation, conversion and property maintenance.
Huber Leitungsbau AG
Buttisholz · Since 1999 · 11–20 empl.5.0(15)
The core activity of Huber Leitungsbau GmbH is trenchless pipe laying, particularly the execution of flushing drilling, pressing drilling, pipe ramming, pipe bursting, cable plowing, trench milling and pipe welding for the laying of pipes and lines.
Willi Bau AG
Rorschacherberg · Since 2005 · 51–100 empl.4.9(17)
Willi Bau AG is a construction company offering building and civil engineering services, including excavation, demolition, utility and road works. Its services also include system waterproofing with warranty and project work for commercial and public clients.
Peter Schmid Baudienstleistungen AG
Affoltern Am Albis · Since 2018 · 11–20 empl.4.8(82)
Peter Schmid Baudienstleistungen AG offers transport, waste disposal and recycling services, construction works, and trading of gravel and natural stone.
Alfred Hirt Bau AG
Tüscherz-Alfermée · Since 1995 · 11–20 empl.4.9(16)
The core activity of Alfred Hirt Bau AG encompasses the execution of construction and civil engineering works, conversions, restorations, renovations, as well as specialized works such as natural stone masonry and lake works. The company offers a wide range of services, including extensions, road construction, utility line construction, sewerage, demolitions, dismantling, core drilling, landscaping, and window and door frame supplements.
Früh Tiefbau GmbH
Krummenau · Since 2000 · 1–10 empl.4.8(38)
Früh Tiefbau GmbH provides civil engineering and earthworks services as an independent small contractor. Its offerings include installation of underground utilities, spring capture, excavation, construction of small access roads, landscaping and garden works, interlocking stone surfaces, demolition and renovation work.
Bürgi Tief- und Strassenbau GmbH
Bischofszell · Since 2008 · 11–20 empl.4.9(22)
The core activity of Bürgi Tief- & Strassenbau GmbH encompasses civil engineering, road construction, and special foundation engineering. Specifically, the company offers the following services: Civil Engineering: excavation of building pits, foundation excavation, utility lines, sewage systems, demolition and dismantling; Road Construction: surfacing works, general road construction, parking lots, forecourts, paths, natural roads, and paving (natural stone, rows, wild stone, cobblestone); Special Foundation Engineering: anchoring work, diaphragm walls, shotcrete, drilling and micropile walls, pile foundations, in-situ concrete piles, and excavation pit securing. Thus, the company offers a wide range of services in the construction industry, from planning to the execution of construction projects.
M. Iannetta SARL
Peyres-Possens · Since 2011 · 11–20 empl.4.9(20)
The core activity of M. Iannetta Sàrl is the provision of services in the construction sector, particularly in the following areas: masonry (e.g. new buildings, renovations, extensions), concrete work (e.g. reinforced concrete, precast concrete), civil engineering (e.g. bridges, roads, sewage systems), outdoor facilities (e.g. garden and landscape construction), drilling and sawing work (e.g. for foundations, cellars), and emergency and immediate services (e.g. 24-hour emergency service for urgent repairs). The company also offers consulting and planning services and can carry out projects from planning to execution.
Geotherm SA
Düdingen · Since 1990 · 21–50 empl.4.6(14)
The core activity of GEOTHERM AG is the utilization of geothermal energy, particularly in the construction of geothermal probes and wells, as well as the provision of services and maintenance in the field of geothermics.
Luzi Bau AG
Zillis · Since 2004 · 11–20 empl.4.8(13)
The core activity of Luzi Bau AG is the construction and renovation of buildings and infrastructure, including civil engineering, construction, conversion, renovations, concrete repairs, paving, coating works, drilling and cutting of concrete. The company also offers specialized services such as customer-specific masonry and coating works.
ERNE AG Bauunternehmung
Zurich · Since 2009 · 101–500 empl.4.9(7)
ERNE AG Bauunternehmung is a construction company carrying out building and civil engineering projects and operating as contractor, general contractor and total contractor. Its services include new construction, renovations, road and infrastructure works, water engineering and specialist services such as masonry, concrete drilling, structural protection and demolition, together with engineering and digital construction (BIM).
Bächler Bau GmbH
Bünzen · Since 2020 · 1–10 empl.5.0(51)
The core activity of Bächler Bau GmbH is the provision of services in the field of construction, particularly in the areas of new construction, renovation, refurbishment and core drilling.
Bistra Bau AG
Basel · Since 2007 · 1–10 empl.4.9(24)
Bistra Bau AG is a construction company that provides a wide range of building services and end-to-end project support. Services include renovation, conversion and new-build work, masonry, plastering, painting, floor and tile installation, concrete and demolition works, waterproofing, façade finishing, acoustic and fire-protection measures, and maintenance.
Ernst Höhener AG
Obfelden · Since 2012 · 21–50 empl.4.9(15)
Ernst Höhener AG carries out excavation and civil earthworks, demolition and transport services. Their offerings include trench and excavation work, utility-line installation, site formation, demolition with recycling, various transport services and equipment rental with operators.
SWISSEDIFICE Sàrl
Les Acacias · Since 2018 · 1–10 empl.5.0(31)
The core activity of Swissedifice is the provision of services in the construction industry, particularly in the following areas: demolition, minor masonry work, façade work, plastering, painting, tiling, parquet flooring, carpet and linoleum coverings, scaffolding, custom furniture, cleaning, concierge and maintenance services. The company offers these services to various customer groups, including professional clients (e.g. architectural firms, companies), public institutions (e.g. governments, municipalities) and private clients (e.g. homeowners, tenants). Swissedifice also provides consulting and support services for construction projects, renovations, expansions and interior design.
Hiltbrunner AG
Riedtwil · Since 1975 · 1–10 empl.4.9(14)
Hiltbrunner AG carries out building dismantling, interior deconstruction and industrial removals and provides project quotations and disposal concepts. The company also offers ReUse and recycling services, including a collection-and-resale ReUse Recycling Center and container/collection services.
Bürge Kaminbau
Schwarzenbach Sg · Since 1996 · 11–20 empl.4.7(25)
The core activity of Bürge AG involves the processing of high-quality pre-fabricated components into complex, high-functional systems, particularly in the areas of geothermal drilling, chimney construction, silencers, residential heating and chimney systems. The company also offers special custom-made products and in-house developments, and has a department dedicated to geothermal drilling.
ERNE AG Bauunternehmung
Basel · Since 2005 · 51–100 empl.4.9(7)
ERNE AG Bauunternehmung is a construction company carrying out building construction, civil engineering and renovation works, and providing specialist services such as concrete repair and protection, concrete drilling and cutting, demolition and water engineering. Acting as builder and as general/total contractor, it delivers industrial, commercial, residential, infrastructure and datacenter projects.
ERNE AG Bauunternehmung
Birrhard · Since 2009 · 51–100 empl.4.9(7)
ERNE AG Bauunternehmung is a construction company providing building and civil engineering works, refurbishments and specialist services such as concrete drilling, structural protection and demolition. The company operates as a contractor, general and total contractor and offers engineering, BIM and sustainability services.
Julian Staub Abbruch AG
Schönenberg Zh · Since 2012 · 21–50 empl.4.8(26)
The core activity of Julian Staub Abbruch AG is focused on demolition work, dismantling, gutting, partial demolition and transportation.
e-therm ag
Thun · Since 1990 · 11–20 empl.4.5(16)
e-therm ag is a construction services company specialising in the drilling and installation of ground-source (geothermal) probes. The company performs boreholes using airlift or circulation methods (to depths beyond 400 m), installs PE probes, lays connection lines and heat-pump connections, carries out bentonite backfilling and electronic testing with documentation in accordance with SIA 384/6.
Butti Bauunternehmung AG
Pfäffikon Sz · Since 2006 · 21–50 empl.4.4(23)
The core activity of Butti Bauunternehmung AG is the execution of construction and renovation projects, including new buildings, conversions, refurbishments and renovations, particularly in the Zurich lake region.
Brusa Planung AG
Steinen · Since 2012 · 101–500 empl.4.8(22)
Brusa Planung AG carries out planning tasks of all kinds and provides architectural planning services with a focus on residential construction, including single-family, two-family and multi-family houses. The company also acts as a general contractor, managing projects from concept to turnkey handover and offering fixed-price delivery.
Thoenen Bauunternehmung AG
Gstaad · Since 1968 · 51–100 empl.5.0(11)
The core activity of Thoenen Bauunternehmung AG is the provision of services in the field of construction and civil engineering, including construction work, core drilling, concrete cutting, excavation, demolition, renovation, gravel production, natural stone walls, transportation, snow removal and exposed concrete work. The company offers a wide range of construction-related services and positions itself as a regionally rooted construction company in the Saanenland region.
Gebrüder Iten AG, Unterägeri
Unterägeri · Since 1990 · 1–10 empl.4.7(24)
Gebrüder Iten AG, Unterägeri provides earthworks, demolition, transport and waste-disposal services. The company also performs civil and specialist foundation works — including micropiles, anchor systems and sheet- and bored-pile techniques — and operates recycling and skip services.
Hermann Greminger Tiefbau AG
Bussnang · Since 1991 · 21–50 empl.4.6(16)
The core activity of Hermann Greminger Tiefbau AG encompasses civil engineering and road construction work, including excavation and trenching, road construction, maintenance and repair, as well as logistics services such as transportation and maintenance of construction machinery and materials. Additionally, the company offers specialized services like suction dredging, trenchless technology, soil improvement and maintenance of slopes and waterfront areas.
ERNE AG Bauunternehmung
Stein Ag · Since 2015 · 51–100 empl.4.9(7)
ERNE AG Bauunternehmung is a construction company that delivers building, civil engineering and renovation projects. Acting as builder and as general/total contractor, it provides services for industrial, commercial and residential construction, water and infrastructure works, concrete drilling/cutting, structural protection, engineering and BIM.
Höhener Tiefbau AG
Sins · Since 1990 · 21–50 empl.4.6(22)
The core activity of Höhener Tiefbau AG encompasses three main areas: 1. Demolition: demolition and gutting of residential, industrial and agricultural buildings. 2. Civil engineering: excavation of building pits and slope securing. 3. Landscaping: garden design and landscaping. The company thus offers services in the fields of construction and gardening.
Georg Müller Tiefbau AG
Tuggen · Since 1998 · 51–100 empl.4.5(11)
Georg Müller Tiefbau AG provides civil engineering and transport services, including excavation, demolition, crane operations, tipper and low-loader transports, and concrete supply. The company also manufactures construction materials and offers container/mulden services for material and waste transport.
Ghelma AG Spezialtiefbau
Meiringen · Since 2004 · 101–500 empl.5.0(7)
The core activity of Ghelma AG Spezialtiefbau encompasses the planning and execution of special deep foundation projects, including: * excavation pit securing (nailing walls, raking walls, pile walls, tie-backs) * pile foundations (in-situ concrete piles, displacement piles, micro-piles) * special drilling (filter wells, drainage drilling, contaminated site remediation, exploratory drilling) * protective structures (rockfall protection, landslide protection, rock face securing, flood protection, protective scaffolding) * embankment stabilization (jet grouting, high-pressure injections, low-pressure injections) The company offers innovative and customized solutions for complex construction projects and has its own research and development department as well as a workshop for the manufacture of specialized equipment.
The industry in figures
Geographic distribution
Colour intensity by number of companies per canton.
Source: commercial register (Zefix) · as of October 12, 2026
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Counted nationally, across all cantons.