Civil works in the
Canton of Solothurn

101 companies in Civil works based in the Canton of Solothurn — name and year of registration from the commercial register.

Companies

50 of 101 companies

Bernasconi Bau AG Logo

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.

Building contractorBuilding constructionCivil engineeringMaintenance of value and renovation
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
solHaus AG Logo

solHaus AG

Since 2013 · 1–10 empl.4.8(39)

solHaus AG provides total and general contracting, architectural services and construction management for residential and commercial buildings. Its services also include planning and carrying out conversions and renovations, as well as property brokerage, sales, management and valuations.

Building contractorTotal contractor | General contractorArchitecture + site managementConversions + refurbishments
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #2
Gebr. Jetzer Hoch- und Tiefbau AG Logo

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.

Building contractorBuilding constructionCivil engineering and earthworksRoad construction
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #3
Marti AG Solothurn Logo

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.

Civil worksRoad and civil engineeringDeep civil engineering worksDemolition and deconstruction
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
Rohrputz-Loriol AG Logo

Rohrputz-Loriol AG

Since 2011 · 21–50 empl.4.7(23)

Rohrputz-Loriol AG provides sewer and drainage services, including cleaning and unblocking wastewater pipes and emptying shafts and separators. Its services also include CCTV inspections, pipe location, leak testing and sludge disposal.

Civil worksSewer Cleaning24/7 Emergency ServiceSewer TV Inspection
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #5
Altermatt Aushub und Transporte AG Logo

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.

Civil worksExcavation and civil engineering worksVarious worksPipe breaks
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #6
Lüthi Bauen AG Logo

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.

Building contractorBuilding constructionCivil engineering worksDemolition
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #7
Johann Volonté AG Logo

Johann Volonté AG

Since 1974 · 21–50 empl.4.8(12)

Johann Volonté AG is a building and civil engineering contractor. Its services include new construction and renovation of residential, industrial, commercial and agricultural buildings, as well as road and utility construction, drainage, excavation, project design, planning and site supervision.

Building contractorBuilding constructionCivil engineeringCustomer work
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #8
Marti AG Solothurn Schadstoffsanierungen Logo

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.

Civil worksHazardous substance remediation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #9
Huber Baustoffe AG Logo

Huber Baustoffe AG

Since 1996 · 1–10 empl.4.3(12)

Huber Baustoffe AG processes mineral construction waste into new raw materials and produces gravel and concrete at its building materials centre. It processes excavated gravel, concrete rubble and mixed demolition waste into aggregates and gravel mixtures.

Civil worksDeconstruction and dismantlingExcavation and earthworksSpecial foundation works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #10
Eggenschwiler Hoch- und Tiefbau AG Logo

Eggenschwiler Hoch- und Tiefbau AG

Since 2006 · 1–10 empl.4.7(16)

Eggenschwiler Hoch- und Tiefbau AG carries out building and civil engineering work. Its services include new builds, conversions and renovations, demolition, landscaping and paving, utility and road construction, excavation, core drilling, trenchless pipe installation and recycling of construction materials.

Building contractorBuilding construction worksCivil engineering worksLandscaping works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #11
WD comtec AG Logo

WD comtec AG

Since 1992 · 21–50 empl.4.1(8)

WD comtec AG plans, builds and operates network infrastructure for communications networks. Its services include FTTH and cable network projects, fibre-optic and coaxial network construction, and the operation, maintenance and optimisation of existing networks.

Civil worksFTTH RolloutHFC NetworksISP Customer Service
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #12
Karli Jakob GmbH Logo

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.

Building contractorCivil engineering (underground works)Road constructionMasonry work for clients
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #13
Vogel AG Bauunternehmung Logo

Vogel AG Bauunternehmung

Since 2000 · 1–10 empl.4.9(10)

Vogel AG Bauunternehmung is a construction company specialising in building and civil engineering, including utility construction. Its services include conversions and renovations, repair and masonry work, diamond drilling and milling, and outdoor works.

Building contractorBuilding constructionCivil engineeringSite works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #14
Probst Tiefbau GmbH Logo

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.

Building contractorCivil engineeringUtility services / road constructionSite works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Hans Gurtner AG Logo

Hans Gurtner AG

Since 1972 · 21–50 empl.3.7(15)

Hans Gurtner AG is a construction company specialising in road and civil engineering. Its work includes building, renovating and maintaining roads, sewers and utility lines, as well as excavation and site works.

Civil worksUtility lines / sewerage / land servicingRoad surfacingSite works, stone paving and stone paving
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Lissag AG Logo

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.

Civil worksWater pipeline constructionGas pipeline constructionService pipe connections
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
G&B Universal-Bau GmbH Logo

G&B Universal-Bau GmbH

Since 2021 · 1–10 empl.5.0(8)

G&B Universal-Bau GmbH is a construction company carrying out building and civil engineering work, masonry, renovations and refurbishments. Its services also include landscaping, flooring, and tile and ceramic work.

Building contractorBuilding construction (above ground)Civil engineering (infrastructure)Masonry work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Wanner Bau AG Logo

Wanner Bau AG

Since 1975 · 11–20 empl.4.2(11)

Wanner Bau AG is a construction company specialising in building and civil engineering. Its services include new builds, alterations, renovations and refurbishment, civil engineering works, skip rental and waste disposal.

Building contractorBuilding constructionCivil engineeringSkip container service
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
Andreas Meier AG Logo

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.

Building contractorDeep civil engineeringRoad constructionUtility line construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
LGT Geolab AG Logo

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.

Civil worksGeotechnical field investigationsGeotechnical laboratory investigationsClay mineralogical analyses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
Ivan Steiner, Bauunternehmung Logo

Ivan Steiner, Bauunternehmung

Since 1998 · 1–10 empl.

Ivan Steiner, Bauunternehmung is a construction business offering building and civil engineering work, renovations and alterations, landscaping and garden work, and planning services. It also rents out or sells its own properties.

Building contractorBuilding constructionCivil engineeringConversions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
J. Merckx GmbH Logo

J. Merckx GmbH

Since 2003 · 1–10 empl.

The core activity of J. Merckx GmbH is construction, including high-rise and civil engineering.

Building contractorBuilding constructionCivil engineeringSite preparation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
KIBAG Bauleistungen AG Logo

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.

Civil worksRoad constructionCivil engineering worksDemolition
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
Sustra AG Schöftland Logo

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.

Civil worksCivil engineeringRoad constructionNoise barriers
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
Gebrüder Danz AG Logo

Gebrüder Danz AG

Since 2012 · 1–10 empl.

Gebrüder Danz AG is a construction company carrying out building and civil engineering work, conversions and renovations. Its services include masonry, wall and floor coverings, tiling, and work on driveways and garden paths.

Building contractorConversions and renovationsBuilding and civil engineeringTiling work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
Amex Sanivar AG Logo

Amex Sanivar AG

Since 2012 · 1–10 empl.

Amex Sanivar AG develops and supplies sealing and liner systems for trenchless rehabilitation of pressure and gravity pipelines. Its products include pipe repair sleeves and fabric hose liners, alongside technical services and support with installation and projects.

Civil worksTrenchless pipe rehabilitationAmex 10® sealing cuffsFabric hose liner systems for pressure pipes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Cellere Bau AG Logo

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.

Civil worksRoad and civil engineeringRehabilitationBuilding contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
Ischbau AG Logo

Ischbau AG

Since 2018 · 1–10 empl.

Ischbau AG is a construction company specialising in trenchless utility installation and civil engineering. Its services include masonry, paving and concrete work, landscaping, concrete cutting and drilling, and demolition.

Building contractorMasonry and concrete workCivil engineering workExternal works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Bauunternehmung Baroffio AG Logo

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.

Building contractorConstructionBuilding Construction / Civil EngineeringMasonry Work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
STA Strassen- und Tiefbau AG Logo

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.

Civil worksRoad constructionCivil engineeringClient masonry
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
KIBAU AG Logo

KIBAU AG

Since 2015 · 1–10 empl.

KIBAU AG provides civil engineering, utility construction and outdoor works services. Its services also include transport, skip hire and waste disposal.

Civil worksCivil engineeringPipeline constructionExternal works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Gäustra AG Logo

Gäustra AG

Since 1982 · 1–10 empl.4.2(5)

Gäustra AG carries out road construction and general civil engineering work. Its services include building and renovating roads, squares and paths, as well as constructing retaining and natural stone walls, paving and other outdoor works.

Civil worksSite WorksRoad ConstructionConsulting and Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Niklaus Strassen- und Tiefbau AG Logo

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.

Civil worksRoad constructionCivil engineeringConcrete mixes from the batching station
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #34
Grünig Bau AG Logo

Grünig Bau AG

Since 1984 · 1–10 empl.5.0(4)

Grünig Bau AG is a construction company carrying out building and civil engineering work. Its services include new builds and alterations, masonry, drainage and excavation, demolition, renovation, refurbishment and landscaping work.

Building contractorNew buildsAlterations & extensionsMasonry works
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #35
Tschanz AG Logo

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.

Civil worksTrenchless pipe constructionCivil engineering
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #36
BITU-Tech GmbH Logo

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.

Civil worksRoad surface rehabilitationPavement edge rehabilitationRoad rehabilitation proposals
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #37
Grund- und Tiefbau AG Solothurn Logo

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.

Civil worksSheet piling worksSpecial deep constructionSoil mixing methods
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #38
Panaiia & Crausaz Bau AG Logo

Panaiia & Crausaz Bau AG

Since 2023 · 1–10 empl.

Panaiia & Crausaz Bau AG is a construction company. It highlights coordination and logistics, a modern fleet of machinery and vehicles, and openness to new technologies as aspects of its work.

Civil worksCivil engineering
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #39
Stump-BTE Bautechnik AG Logo

Stump-BTE Bautechnik AG

Since 1990 · 11–20 empl.3.4(5)

Stump-BTE Bautechnik AG is a specialist civil engineering company focusing on groundwater lowering, freshwater wells and complex drilling operations. Its services include exploratory drilling, well construction and geotechnical drilling.

Civil worksGround and slope waterDrillingWell service
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #40
Zimmermann Aushub Rückbau Gartenbau Logo

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.

Civil worksExcavationDeconstructionCivil engineering
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #41
M. von Burg Bauunternehmung AG Logo

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.

Building contractorBuilding constructionCivil engineering
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #42
LGJ Bau GmbH Logo

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.

Civil worksNatural and composite stone surfacesGarden designRoad and civil engineering
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #43
Kaiser Bauunternehmung GmbH Logo

Kaiser Bauunternehmung GmbH

Since 2022 · 1–10 empl.

Kaiser Bauunternehmung GmbH is a construction company carrying out building and civil engineering work, conversions, extensions and renovations. Its services also include landscaping and site work, masonry, and small construction and repair jobs.

Building contractorBuilding and civil engineering worksAlterations and extensionsRenovations
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #44
Makos Infra Immo GmbH Logo

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.

Civil worksProperty broking and marketingProperty management & lettingSite management & project management
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #45
Emmenegger Bau-Team GmbH Logo

Emmenegger Bau-Team GmbH

Since 1998 · 1–10 empl.5.0(2)

Emmenegger Bau-Team GmbH is a construction company specialising in road construction and civil engineering. Its services include surfacing and asphalt work, utility lines, excavation, paving, masonry and landscaping.

Civil worksRoad construction and surfacing workCivil engineering works
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #46
Armin Kündig Baggerunternehmen Logo

Armin Kündig Baggerunternehmen

Since 2006 · 1–10 empl.3.2(9)

Armin Kündig Baggerunternehmen carries out excavation, earthmoving and demolition work, as well as garden construction and maintenance. Its services also include transport and crane work, construction machinery rental, and the sale, installation and servicing of liquid-gas equipment and appliances.

Civil worksExcavation, digging and demolitionSkip serviceCrane work and transport
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #47
4xpress Markierungen Daniel Gerny Logo

4xpress Markierungen Daniel Gerny

Since 2009 · 1–10 empl.5.0(2)

4xpress Markierungen Daniel Gerny carries out marking work on roads and other traffic areas, as well as in underground garages, car parks and industrial and warehouse halls. Services also include removing existing markings.

Civil worksMarkingsMarkings with spray technology and cold plastic
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #48
R + F Bau AG Logo

R + F Bau AG

Since 2024 · 1–10 empl.4.0(8)

R + F Bau AG is a construction company working in building construction, civil engineering, road construction and landscaping. Its work includes new buildings and renovations, paving, the construction of paths and paved areas, and green roofs.

Building contractorBuilding constructionCivil engineeringLandscaping
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #49
ComNet Schönenwerd AG Logo

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.

EngineerFTTH RolloutHFC Network Construction and ModernisationISP Customer Service
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #50

Civil works in the Canton of Solothurn

101Civil worksCommercial register (Zefix) · as of November 6, 2026
2009Median year of registrationCommercial register (Zefix) · as of November 6, 2026
101in the Canton of SolothurnCommercial register (Zefix) · as of November 6, 2026
3,407in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Civil works in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026