Civil Engineering in the
Canton of Solothurn
101 companies in Civil Engineering based in the Canton of Solothurn — name and year of registration from the commercial register.
50 of 101 companies
Bernasconi Bau AG
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.
solHaus AG
Since 2013 · 1–10 empl.4.8(39)
The core activity of solHaus AG is the planning and execution of construction projects, including architecture, construction management and real estate management.
Gebr. Jetzer Hoch- und Tiefbau AG
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.
Marti AG Solothurn
Since 1951 · 51–100 empl.4.8(13)
Marti AG Solothurn is a construction company that executes building and civil engineering projects, including building construction and renovation, civil and road engineering, and engineering‑level earthworks. Its services also include demolition and recycling, pollutant remediation, client masonry work and applications of ultra‑high‑strength fiber‑reinforced concrete, and the site highlights sustainability/circular‑economy competencies and ISO certifications.
Rohrputz-Loriol AG
Since 2011 · 21–50 empl.4.7(23)
Rohrputz-Loriol AG provides sewer and drainage services including drain unblocking, sewer cleaning, pit emptying, CCTV inspections, leak testing and pipeline locating. The company also performs separator emptying, sludge disposal, on-site recycling processes and specialised services for municipalities, industry, architects and property managers.
Altermatt Aushub und Transporte AG
Since 2000 · 1–10 empl.5.0(17)
The core activity of Altermatt Aushub und Transporte AG is the provision of services in the areas of excavation, civil engineering, transportation, and related works. Specifically, this includes: excavation and civil engineering work, pipe laying, environmental work, various works, pit service, transportation, and snow removal. The company thus offers a wide range of services required for the construction, maintenance, and upkeep of infrastructure and buildings.
Lüthi Bauen AG
Since 2007 · 11–20 empl.5.0(5)
The core activity of Lüthi Bauen AG encompasses the provision of services in the construction sector, particularly in the areas of: building construction, civil engineering, demolition, renovation, landscaping, and subflooring. The company thus offers a wide range of construction-related services, from planning and execution of new buildings to renovations, demolition work, and landscaping.
Johann Volonté AG
Since 1974 · 21–50 empl.4.8(12)
The company's core activity is the construction and execution of construction projects, including building construction, civil engineering, customer work, design, planning and construction management. The company also provides machinery and a fleet of vehicles and operates a workshop.
Huber Baustoffe AG
Since 1996 · 1–10 empl.4.3(12)
Huber Baustoffe AG provides demolition (deconstruction) and civil engineering services, including excavation, specialist foundation work, water engineering, road and utility construction, renovations and asbestos remediation. The company also operates construction-material processing and recycling (reclaimed aggregates and concrete) and offers construction logistics services.
Marti AG Solothurn Schadstoffsanierungen
Since 2019 · 11–20 empl.4.8(13)
Marti AG Solothurn Schadstoffsanierungen provides planning support and carries out hazardous-material and asbestos remediation; qualified personnel perform compliant removal, disposal of contaminated structures and restoration of building components in accordance with SUVA requirements.
WD comtec AG
Since 1992 · 21–50 empl.4.1(8)
The core activity of WD comtec AG is the planning, implementation and maintenance of telecommunications networks, particularly in the area of fiber-optic networks (FTTH) and hybrid fiber-coaxial networks (HFC). This also includes services such as network modernization, network maintenance, customer service and ISP services. The company positions itself as a general contractor for the implementation of telecommunications projects and offers its customers a comprehensive range of services from planning to implementation and maintenance of telecommunications networks.
Eggenschwiler Hoch- und Tiefbau AG
Since 2006 · 1–10 empl.4.7(16)
The core activity of Eggenschwiler Hoch- und Tiefbau AG is the provision of services in the field of construction and civil engineering, including demolition work, environmental work and other construction projects.
Karli Jakob GmbH
Since 2017 · 11–20 empl.5.0(8)
Karli Jakob GmbH is a construction company specializing in civil works such as excavation and utility/cable installations, road construction, renovations, site/landscaping works, masonry for clients, and winter services.
Vogel AG Bauunternehmung
Since 2000 · 1–10 empl.4.9(10)
The core activity of Vogel AG is the construction industry, particularly the execution of building construction, civil engineering, drilling and milling work, environmental work, renovations and refurbishments, as well as express work with trucks equipped with cranes.
Probst Tiefbau GmbH
Since 2014 · 1–10 empl.5.0(7)
Probst Tiefbau GmbH is a civil engineering company performing earthworks, utility and road construction, site landscaping, deconstruction and stormwater systems, as well as building-construction related services.
G&B Universal-Bau GmbH
Since 2021 · 1–10 empl.5.0(8)
The core activity of G&B Universal-Bau GmbH is the execution of construction projects in Switzerland, particularly in the fields of civil engineering, structural engineering, landscaping and other construction works. The company offers comprehensive expertise and highest quality in the planning, consulting and execution of construction projects, including renovations, exterior works and other technical building services.
Wanner Bau AG
Since 1975 · 11–20 empl.4.2(11)
The core activity of Wanner Bau AG is the provision of construction and services in the fields of civil engineering and underground construction, including excavation services.
Hans Gurtner AG
Since 1972 · 21–50 empl.3.7(15)
Hans Gurtner AG is a construction company performing earthworks and road construction, including utility and sewer installation. Services include slope protection and retaining walls, paving and landscaping works, surface paving/resurfacing, and building conversions and renovations, with use of techniques such as cold recycling.
Andreas Meier AG
Since 1990 · 11–20 empl.
The core activity of Andreas Meier AG encompasses a wide range of construction services, including: building construction (e.g. single-family homes, multi-family homes, extensions, renovations), civil engineering (e.g. earthworks, excavation, infrastructure development), road construction, utility construction, demolition, excavation services, and paving. The company thus offers comprehensive construction services, from planning to execution, and positions itself as a reliable partner for individual construction projects.
LGT Geolab AG
Since 1996 · 1–10 empl.
LGT Geolab offers laboratory and field investigations in the fields of geotechnics and clay mineralogy, particularly for construction projects. The core activities include: Field investigations: core drilling, dynamic probing, piezometers, isotope probes, plate load tests, vacuum tests, and sampling of materials. Laboratory investigations: permeability tests, consistency limits, grain size distribution, oedometer tests, Proctor tests, water content, soil analysis, and classification. Clay mineralogical analyses: loss on ignition, carbonate content, grain density, shrinkage limit. Suspected contaminated site and old landfill investigations. The company thus supports the planning and execution of construction projects by investigating and analyzing soil and materials.
Ivan Steiner, Bauunternehmung
Since 1998 · 1–10 empl.
Ivan Steiner, Bauunternehmung provides construction services including building construction, civil engineering, renovations and conversions, landscaping and planning.
Lissag AG
Since 2001 · 11–20 empl.4.6(5)
The core activity of Lissag AG is the provision of services in the field of water and gas supply, specifically: water pipeline construction, gas pipeline construction, pikette deployments, house connection lines, reservoir cleaning, drinking water sampling, plant construction, sewage pipeline construction, and winter services. The company thus offers a comprehensive range of services for the installation, maintenance, and repair of water and gas pipelines as well as related facilities.
J. Merckx GmbH
Since 2003 · 1–10 empl.
The core activity of J. Merckx GmbH is construction, including high-rise and civil engineering.
KIBAG Bauleistungen AG
Since 2004 · 11–20 empl.
KIBAG Bauleistungen AG provides road construction, civil-engineering and deconstruction services, performing roadworks, earthworks and structural dismantling as part of its construction offerings.
Sustra AG Schöftland
Since 2007 · 1–10 empl.
Sustra AG Schöftland provides services in road construction and civil engineering, including paving and noise-protection wall construction. The company performs drainage and utility works, concrete and engineering concrete works, earthworks, operates a machinery fleet and a recycling facility for inert materials, and holds ISO 9001 certification.
Gebrüder Danz AG
Since 2012 · 1–10 empl.
The core activity of Gebrüder Danz AG is the provision of services in the field of construction and civil engineering, particularly in the areas of renovations, concrete work, wall and floor coverings, as well as customer-specific masonry.
Amex Sanivar AG
Since 2012 · 1–10 empl.
The core activity of Amex Sanivar is the development and provision of solutions for the rehabilitation and renovation of pipelines, particularly for water, gas, oil and sewage systems. The company offers products and services aimed at efficiently solving complex infrastructure problems and specializes in trenchless renovation methods, including the development and manufacture of seals and linings for pipelines.
Cellere Bau AG
Since 2016 · 51–100 empl.
Cellere Bau AG provides construction services in structural repair and strengthening, building renovation and general building works, as well as road and civil engineering. The company undertakes planning and execution of rehabilitation, renovation and infrastructure projects.
Ischbau AG
Since 2018 · 1–10 empl.
Ischbau AG provides construction and civil engineering services. Its work includes trenchless excavation, masonry, tiling and concrete work, landscaping, concrete cutting and drilling, and demolition work.
Bauunternehmung Baroffio AG
Since 2004 · 1–10 empl.4.6(5)
The core activity of Baroffio AG is the provision of services in the field of construction and civil engineering, particularly in the areas of masonry, conversions, renovations, refurbishments and new construction.
STA Strassen- und Tiefbau AG
Since 1965 · 11–20 empl.3.9(10)
The core activity of STA Strassen- und Tiefbau AG is road and civil engineering, including general road and civil engineering works, concrete, demolition and sewerage works.
KIBAU AG
Since 2015 · 1–10 empl.
The core activity of Le Mont company encompasses services in the field of civil engineering, particularly pipeline construction, excavations, transportation, ditching services and waste disposal.
Gäustra AG
Since 1982 · 1–10 empl.4.2(5)
Gäustra AG performs landscape (external) works and road construction, providing project planning and personal consultation as well as plaza and surfacing works. Services include artificial and natural stone paving, retaining walls, stairways, pool surroundings and other external construction tasks; the company is part of the Dörfliger-Gruppe.
Niklaus Strassen- und Tiefbau AG
Since 2000 · 11–20 empl.4.3(10)
Niklaus Strassen- und Tiefbau AG performs road construction, civil engineering and recycling services and supplies ready-mix concrete. The company carries out projects for public authorities, industrial clients and private customers.
BITU-Tech GmbH
Since 2016 · 1–10 empl.5.0(1)
The core activity of BITU-Tech GmbH is the rehabilitation of traffic areas, particularly the repair of surface cracks, edge seals and joints on roads and other traffic routes.
Grünig Bau AG
Since 1984 · 1–10 empl.5.0(4)
The core activity of Grünig Bau AG is the provision of construction and masonry services, including new builds, renovations, masonry work and repair contracts.
Tschanz AG
Since 1986 · 1–10 empl.4.5(8)
Tschanz AG is a company for the installation and replacement of pipelines. Services include trenchless methods such as horizontal directional drilling (HDD), guided pressing, pipe bursting and steel-pipe ramming, as well as conventional civil, road and landscaping works and repairs of pipeline breaks for municipalities and private clients.
Grund- und Tiefbau AG Solothurn
Since 1971 · 101–500 empl.5.0(1)
The core activity of Grund- und Tiefbau AG Solothurn lies in the field of special foundation engineering, particularly in sheet piling work. The company offers solutions for large and small construction projects and has a modern machine park for pile driving work. The specific activities include: sheet piling work (vibrating, pressing, driving), soil mixing processes, foundation systems (driven piles), vertical drainage, and bracing and stiffening. The company positions itself as a sheet piling specialist and offers innovative solutions for complex construction projects.
Stump-BTE Bautechnik AG
Since 1990 · 11–20 empl.3.4(5)
The core activity of Stump-BTE AG is specialized foundation engineering and drilling technology, particularly in the field of water management, well construction and complex drilling operations. The company provides solutions for the construction of groundwater and slope water systems, drilling operations and well construction, as well as services in the field of sustainability and circular economy.
Zimmermann Aushub Rückbau Gartenbau
Since 2013 · 1–10 empl.4.0(12)
The core activities of Zimmermann company include the following areas: excavation, demolition, civil engineering/special civil engineering, gardening, path construction/path renovation, forestry/safety forestry, and renaturation. Thus, the company offers a wide range of services in the fields of construction, gardening, and landscape design.
Panaiia & Crausaz Bau AG
Since 2023 · 1–10 empl.
Panaiia & Crausaz Bau AG is a construction company focused on building work, coordination and logistics in the construction sector. The website also highlights a modern fleet of machinery and vehicles and an openness to new technologies.
M. von Burg Bauunternehmung AG
Since 1993 · 1–10 empl.4.7(3)
M. von Burg Bauunternehmung AG is a construction company whose website provides contact and company details. The page lists the company name, the address in Grenchen, and telephone, fax, and email contact information.
LGJ Bau GmbH
Since 2018 · 1–10 empl.4.3(6)
The core activity of LG-Bau includes the planning and execution of construction and garden projects, including: construction of natural stone and composite stone surfaces for footpaths, seating and parking areas; garden design for single-family and multi-family homes; road and civil engineering works; demolition and excavation works. The company thus offers comprehensive services in the field of construction and garden architecture.
Kaiser Bauunternehmung GmbH
Since 2022 · 1–10 empl.
Kaiser Bauunternehmung GmbH is a construction company that provides building and civil engineering services, including new builds, extensions and renovations, external landscaping, masonry and small repair work.
Makos Infra Immo GmbH
Since 2013 · 1–10 empl.5.0(1)
The core activity of Makos Bau GmbH is in the field of cable and civil engineering, particularly in the construction of cable systems, fiber optic installation, fiber optic cable blowing, and utility line construction such as gas, water and power lines.
Emmenegger Bau-Team GmbH
Since 1998 · 1–10 empl.5.0(2)
The core activity of Emmenegger Bau-Team GmbH is the execution of construction projects, particularly in the areas of road construction, civil engineering, underground construction, surfacing works, paving, masonry and environmental works.
Armin Kündig Baggerunternehmen
Since 2006 · 1–10 empl.3.2(9)
The company offers a wide range of services that can be divided into the following core activities: 1. **Construction and Gardening Services**: Excavation work, demolition, garden and water feature construction, natural stone work, tree felling, small constructions such as car, bike and animal shelters. 2. **Machine Rental**: Rental of construction machinery, excavators, small and large equipment, crane services and transportation. 3. **Gas and Energy Supply**: Supply of propane and butane gas, heating systems, heaters, accessories, camping gas, balloon gas (helium) and other gas-related services. 4. **Transportation and Disposal**: Small and large transports, disposal, garden waste disposal and excavation material disposal. The company positions itself as a versatile partner for various projects in the home, garden and yard, with a focus on reliable and affordable work.
4xpress Markierungen Daniel Gerny
Since 2009 · 1–10 empl.5.0(2)
The core activity of 4Xpress Markierungen is the execution of marking work on various surfaces, in particular: * Markings in underground car parks * Markings on parking lots * Markings on roads * Markings in halls * Markings on bike and pedestrian paths * Markings on crosswalks * Markings on sports fields * Demarking The company offers various techniques, such as spray technology, cold plastic and 3M markings, to carry out these works.
R + F Bau AG
Since 2024 · 1–10 empl.4.0(8)
R + F Bau AG is a construction company offering building construction, civil engineering and landscaping services. It carries out new builds and extensions, agricultural building projects, infrastructure and paving works, and plans and installs garden areas.
ComNet Schönenwerd AG
Since 2026 · 21–50 empl.
ComNet Schönenwerd AG is a company active in network construction and communication technology. It plans, builds and maintains telecommunications networks, with services including FTTH rollouts, HFC networks and related customer service operations.
Civil Engineering in the Canton of Solothurn
Civil Engineering in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
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