Civil works in the
Canton of Basel-Country

100 companies in Civil works based in the Canton of Basel-Country — name and year of registration from the commercial register.

Companies

50 of 100 companies

Gysin Tiefbau AG Logo

Gysin Tiefbau AG

Since 2010 · 21–50 empl.4.7(48)

Gysin Tiefbau AG carries out civil engineering work, including earthworks, road construction and utility infrastructure. Its services also include landscaping, demolition, waste disposal and skip hire, walking excavator work, and the sale of construction and recycled materials.

Civil worksExcavation workRoad constructionUtility service works
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
Toni Seiler Baugeschäft AG Logo

Toni Seiler Baugeschäft AG

Since 2016 · 1–10 empl.4.9(70)

Toni Seiler Baugeschäft AG is a construction company working in building and civil engineering. Its services include extensions, alterations and renovations, masonry and concrete work, utility and road construction, outdoor-space landscaping, and swimming pool construction.

Building contractorBuilding constructionRenovation and conversionCivil engineering
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #2
Gysin Immobilien AG Logo

Gysin Immobilien AG

Since 1987 · 21–50 empl.4.7(48)

Civil worksExcavation workRoad constructionUtility network construction
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #3
Hans Grieder AG, Aushub und Tiefbau Logo

Hans Grieder AG, Aushub und Tiefbau

Since 1980 · 11–20 empl.4.8(64)

Hans Grieder AG, Aushub und Tiefbau carries out civil engineering work and provides skip-hire, waste disposal and deconstruction services. It also undertakes landscaping work using natural stone and sorts materials from deconstruction for recycling or disposal.

Civil worksCivil engineeringSkip-bin serviceSite works
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #4
KRB Schweiz GmbH Logo

KRB Schweiz GmbH

Since 2012 · 11–20 empl.5.0(42)

KRB Schweiz GmbH processes thermoplastics and plans, fabricates and installs plastic piping systems for industrial, building and utility applications. Its services also include apparatus and tank construction and the supply of glass-fibre-reinforced plastic grating.

Civil worksPipeline constructionPlastics processingGFK grating
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #5
Morath AG Logo

Morath AG

Since 1981 · 1–10 empl.4.6(33)

Morath AG carries out sheet-metal, flat-roofing and waterproofing work on roofs and façades. Its services also include technical planning and project design, as well as maintenance, inspections and repairs of roofs and building envelopes.

Civil worksTechnical planning + project designSheet metal and flat roof worksMaintenance service
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #6
Urs Jakob AG Logo

Urs Jakob AG

Since 1999 · 1–10 empl.4.8(22)

The core activity of Urs Jakob AG primarily encompasses civil engineering, landscaping, and transportation services. Specific services include: civil engineering works, landscaping works, crane-assisted transportation, crane services, material transportation, tree felling with crane, seating area design, and pool construction. The company thus offers a wide range of services in the construction and transportation sectors.

Civil worksGarden and civil engineeringCrane and transport services
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #7
NSNW AG Logo

NSNW AG

Since 2008 · 21–50 empl.4.2(30)

NSNW AG operates and maintains national roads in northwestern Switzerland, as well as other road sections on behalf of public authorities. Its activities include traffic monitoring, routine and minor structural maintenance, winter services, and the inspection and upkeep of road infrastructure and technical equipment.

Civil worksOperational maintenanceMinor structural maintenanceTraffic and operations control centre
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #8
WEBER AG Gleis- und Tiefbau Logo

WEBER AG Gleis- und Tiefbau

Since 2013 · 11–20 empl.4.7(15)

WEBER AG Gleis- und Tiefbau carries out track and switch construction for various gauges, along with civil engineering and roadworks. It also delivers rail projects as a general contractor and offers construction machinery rental, maintenance and repairs, and personnel hire.

Civil worksTrack / deep track constructionDeep civil engineering / road constructionMachinery rental
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #9
Rudolf Wirz Strassen- und Tiefbau AG Logo

Rudolf Wirz Strassen- und Tiefbau AG

Since 2015 · 11–20 empl.4.4(21)

Rudolf Wirz Strassen- und Tiefbau AG is a road construction and civil engineering company. It builds and maintains roads, sewers and utility lines, and provides services including asphalt construction, excavation and demolition, paving, and landfill and recycling operations. The company also operates its own asphalt plant.

Civil worksRoad construction / Civil engineeringUtility line constructionAsphalt surfacing
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #10
Rofra Bau AG Logo

Rofra Bau AG

Since 2010 · 1–10 empl.4.3(33)

Rofra Bau AG is a construction company working in building construction, civil engineering and building renovations. Its services also include demolition, excavation and hazardous-material remediation.

Building contractorBuilding constructionCivil engineeringConversion and renovation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #11
Aymonod Tiefbau AG Logo

Aymonod Tiefbau AG

Since 2015 · 1–10 empl.5.0(10)

Aymonod Tiefbau AG carries out civil engineering and road construction, excavation and demolition work. Its services also include utility and trench construction, earthworks, excavation pit support, concrete work and landscaping.

Civil worksCivil engineeringConstruction, conversion and client works
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #12
s + m tiefbau gmbh Logo

s + m tiefbau gmbh

Since 2005 · 1–10 empl.4.9(10)

s + m tiefbau gmbh carries out civil engineering and roadworks, including trenchless utility installation. Its services also include core drilling, concrete cutting, landscaping and paving work.

Civil worksTrenchless utility line constructionDrilling and millingCivil engineering works
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #13
Paul Gschwind AG Logo

Paul Gschwind AG

Since 1985 · 1–10 empl.4.9(10)

Paul Gschwind AG is a construction company carrying out new builds, extensions, renovations and civil engineering works. Its services also include building alterations, property maintenance and infrastructure upkeep and modification.

Building contractorNew constructionCivil engineeringAlterations
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #14
Spinnler Bau AG Logo

Spinnler Bau AG

Since 2005 · 1–10 empl.4.5(16)

Spinnler Bau AG is a construction company carrying out conversions and renovations of residential buildings as well as building and civil engineering work. Its services include construction management and client advisory, masonry repairs, earthworks, core drilling, tiling and plastering, insulation, and floor coverings.

Building contractorConstruction management / Client advisoryConversion / Refurbishment / RenovationsMasonry for clients
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #15
Baumann Bauunternehmung Logo

Baumann Bauunternehmung

Since 2008 · 1–10 empl.5.0(12)

Baumann Bauunternehmung is a construction company providing landscaping and site works, civil engineering and building contractor services. Its work also includes excavation, smaller earthworks, demolition and core and shaft drilling.

Civil worksLandscaping / outdoor worksCivil engineering / building contractor worksDismantling works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #16
E. Erny Tiefbau- und Umgebungsarbeiten AG Logo

E. Erny Tiefbau- und Umgebungsarbeiten AG

Since 2009 · 11–20 empl.5.0(8)

E. Erny Tiefbau- und Umgebungsarbeiten AG carries out civil engineering and landscaping work. Its services include demolition, earthworks and utility construction, as well as natural stone walls, rock gardens, and the construction of outdoor areas, stairs and paths.

Civil worksCivil engineering worksUtility network constructionEarthworks
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #17
MS Marco Schäffler Baugeschäft AG Logo

MS Marco Schäffler Baugeschäft AG

Since 1998 · 21–50 empl.4.1(9)

MS Marco Schäffler Baugeschäft AG carries out building, masonry and plastering work, façade renovations and tile installation. It also undertakes conversions, renovations and complete refurbishments as a general contractor.

Civil worksGeneral construction worksPlastering workFaçade refurbishments
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #18
Gass Dienstleistungen GmbH Logo

Gass Dienstleistungen GmbH

Since 2012 · 11–20 empl.4.7(15)

Gass Dienstleistungen GmbH is a construction company providing building and civil engineering work, masonry and renovation services, demolition and dismantling. It also carries out landscaping and land-clearing work.

Building contractorBuilding construction workDemolition workSite and landscaping works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #19
Reparatur- und Sanierungstechnik Nordwest AG Logo

Reparatur- und Sanierungstechnik Nordwest AG

Since 1994 · 11–20 empl.4.2(6)

Reparatur- und Sanierungstechnik Nordwest AG carries out repair and refurbishment work on roads, traffic surfaces and civil engineering structures. Its services include expansion joints, joint technology and structural protection, using materials such as special bitumen and synthetic polymers.

Civil worksTraffic surfacesPavement transitionsJoint technology
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #20
ZIEGLER AG Logo

ZIEGLER AG

Since 1998 · 21–50 empl.4.4(8)

ZIEGLER AG carries out civil engineering, road construction and road surfacing work. Its activities also include earthworks, water engineering, demolition and building materials.

Civil worksCivil engineeringRoad constructionSurfacing
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #21
René Müller AG Logo

René Müller AG

Since 1975 · 1–10 empl.5.0(3)

René Müller AG operates a quarry, extracting and processing limestone into gravel, chippings, marl and masonry stones. The products are used in road and civil engineering, landscaping and masonry; the company also provides transport services and operates the Bohlberg landfill.

Civil worksLimestone productsQuarry operationTransport
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
Ruepp AG Logo

Ruepp AG

Since 2018 · 11–20 empl.4.4(18)

Ruepp AG is a construction company active in civil engineering and building construction. Its services include sewerage and utility-line construction, excavation and demolition, road construction, masonry repairs, landscaping, marl extraction and winter maintenance.

Civil worksDemolition and excavation workRoad constructionUtility line construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
O. Aeschlimann AG Logo

O. Aeschlimann AG

Since 1976 · 21–50 empl.

O. Aeschlimann AG is a road construction and asphalt paving company that produces and installs cast asphalt, rolled asphalt and coloured pavement surfaces. Its services include bridge and tunnel cast-asphalt systems, floor and wall coverings, utility construction and rehabilitation works, with asphalt mix production on its own processing plants.

Civil worksRoad construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
Bisser Immobilien AG Logo

Bisser Immobilien AG

Since 1980 · 1–10 empl.

Bisser Immobilien AG offers real estate and land for sale.

Building contractorBuilding constructionCivil engineeringRental vehicles
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
Grund- und Tiefbau AG Basel, Zweigniederlassung Pratteln Logo

Grund- und Tiefbau AG Basel, Zweigniederlassung Pratteln

Since 1981 · 21–50 empl.

Grund- und Tiefbau AG Basel, Zweigniederlassung Pratteln carries out specialist foundation engineering, groundwater and construction-water work, and trenchless construction. Its services include well construction, dewatering, piling, anchoring, horizontal drilling and microtunnelling.

Civil worksTrenchlessWaterSpecial deep foundations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
Durtschi AG Logo

Durtschi AG

Since 1982 · 21–50 empl.

Durtschi AG is a construction company working in road construction, utility infrastructure construction and paving.

Civil worksRoad constructionUtility line constructionNatural stone paving
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Inrag AG Logo

Inrag AG

Since 1983 · 11–20 empl.

Inrag AG plans and builds industrial piping and plant systems, including tank farms and apparatus. Its services and products include hydrogen system integration, automation, measurement and control technology, industrial pumps, engineering, commissioning, maintenance and repairs.

Civil worksH2 system integrationPipeline constructionEquipment construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
Markag Markierungs AG Logo

Markag Markierungs AG

Since 1983 · 11–20 empl.

Markag Markierungs AG carries out road and floor marking work for car parks, parking areas, construction sites, roads and industrial premises. Its services also include special markings and the removal of existing markings.

Civil worksRoad markingsParking bay markingsMarkings for parking garages
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Morath AG Logo

Morath AG

Since 1988 · 11–20 empl.

Morath AG provides sheet-metal and flat-roof services, including lightning protection, metal constructions, flat-roof systems, green roofing and maintenance. The company also develops technical solutions for the pharmaceutical, food and health-care sectors and offers design services.

Civil worksMetal solutions for industryMetal solutions for architectureStainless-steel products made to measure
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
Hans Graf AG Bauunternehmung Logo

Hans Graf AG Bauunternehmung

Since 1997 · 1–10 empl.4.8(4)

Hans Graf AG Bauunternehmung is a construction contractor. Its work includes building and civil engineering, landscaping, alterations and renovations, smaller customer projects, and demolition.

Building contractorBuilding constructionCivil engineering worksConversion and renovation work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
Thomy Graf Baudienstleistungen GmbH Logo

Thomy Graf Baudienstleistungen GmbH

Since 2007 · 1–10 empl.

Thomy Graf Baudienstleistungen GmbH provides construction services focused on civil engineering and underground works. Its services include consulting, planning, tendering and construction management.

Civil worksConsultingPlanningTendering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Walo Bertschinger AG Logo

Walo Bertschinger AG

Since 2012 · 51–100 empl.

Walo Bertschinger AG is a construction company active in several areas of construction and infrastructure. Its Frenkendorf branch offers, among other services, railway construction and technology, flooring, hydraulic engineering, cast asphalt, hydrodynamics, laboratory services, property development, and road and civil engineering.

Civil worksRoad and civil engineeringRailway construction & rail engineeringWater engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Kiefer Tiefbau GmbH Logo

Kiefer Tiefbau GmbH

Since 2012 · 1–10 empl.

Kiefer Tiefbau GmbH is a civil engineering contractor providing demolition, excavation and landscaping services. Its work also includes excavation pit support, utility and surfacing works, as well as building strip-outs and hazardous-material remediation in cooperation with a specialist partner.

Civil worksDemolitionExcavationExternal works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
Heid Tec Nord GmbH Logo

Heid Tec Nord GmbH

Since 2017 · 1–10 empl.

Heid Tec Nord GmbH provides construction and renovation services focused on removing floor coverings, refurbishing and rebuilding subfloors, and carrying out additional concrete work. The company also advises on construction products and supports projects with modern and sustainable materials.

Civil worksRemoval of floor coveringsFloor covering installationConstruction product consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
Eberle Bautenschutz AG Logo

Eberle Bautenschutz AG

Since 2018 · 1–10 empl.4.3(15)

Eberle Bautenschutz AG carries out water damage restoration and drying, and locates leaks in pipes and drains. Its services also include thermographic inspections, pollutant assessments and building diagnostics, as well as building waterproofing, joint sealing and flat-roof renovation.

Civil worksWater-damage drying workLeak and pipe locatingBuilding waterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
BLD-Bauteam GmbH Logo

BLD-Bauteam GmbH

Since 2014 · 1–10 empl.5.0(6)

BLD-Bauteam GmbH is a construction company specialising in civil engineering and road construction. Its work includes utility lines, sewer systems, excavation, road surfacing, and the development of parks and recreational areas.

Civil worksCivil engineeringRoad constructionPaving work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Kury AG, Baugeschäft Logo

Kury AG, Baugeschäft

Since 2006 · 11–20 empl.4.4(5)

Kury AG, Baugeschäft is a construction company specialising in civil engineering, road construction, paving and outdoor works. Its services include utility and sewer connections, road and asphalt-surface repairs, paving, and construction work around buildings.

Civil worksCivil EngineeringPaving WorksExterior Landscaping Works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
W. Graf Tiefbau AG Logo

W. Graf Tiefbau AG

Since 2013 · 1–10 empl.5.0(7)

W. Graf Tiefbau AG is a civil engineering contractor carrying out earthworks and excavation support. Its services include landscaping and site works, demolition, excavation, road construction and utility construction; it also offers materials such as marl, sand, chippings and gravel.

Civil worksCivil engineeringExcavation and earthworksDemolition and dismantling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Gebr. Stöcklin & Co. AG Logo

Gebr. Stöcklin & Co. AG

Since 1973 · 11–20 empl.4.3(8)

Gebr. Stöcklin & Co. AG is a construction company focused on civil engineering. Its services include demolition, excavation, utility and road construction, landscaping, specialist civil engineering and skip transport.

Civil worksCivil engineering works
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #40
René Müller AG Logo

René Müller AG

Since 1990 · 1–10 empl.5.0(3)

René Müller AG operates quarries and processes limestone into construction materials. Its products include gravel, chippings, marl, sand, natural stone and masonry stone for civil engineering, road construction and landscaping.

Civil worksQuarry products Werk LaufenQuarry products Werk LiesbergDecorative stones and natural stone blocks
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #41
Aquatec Kanalsanierungen AG Logo

Aquatec Kanalsanierungen AG

Since 2008 · 1–10 empl.5.0(1)

Aquatec Kanalsanierungen AG inspects, cleans and rehabilitates underground pipelines and wastewater channels. It assesses pipe conditions using CCTV inspection and plans repairs using methods including cured-in-place liners and short liners.

Civil worksSewer rehabilitationCondition assessmentSewer CCTV inspection
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #42
Hans Kury AG Logo

Hans Kury AG

Since 1973 · 1–10 empl.4.4(5)

Hans Kury AG is a construction firm offering civil and road construction services, including utility and sewer connections, resurfacing and repairs of roads, parking areas and driveways, as well as exterior paving and landscaping and masonry work for customers.

Civil worksCivil EngineeringPaving WorksExternal Landscaping Works
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #43
Baier Rohrleitungsbau AG Logo

Baier Rohrleitungsbau AG

Since 1985 · 11–20 empl.4.5(6)

Baier Rohrleitungsbau AG manufactures and installs pipelines and carries out piping work for process engineering plants. Its activities include pipeline and plant construction, industrial assembly and welding.

Civil worksPiping construction
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #44
Kanalservice Nordwest GmbH Logo

Kanalservice Nordwest GmbH

Since 2020 · 1–10 empl.4.6(9)

Kanalservice Nordwest GmbH provides services for cleaning and inspecting drains and sewer systems. Its services include shaft emptying, locating underground pipes, leak testing and emergency assistance.

Civil worksDrain and sewer cleaningManhole emptyingPipe location
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #45
WENGER KNECHT AG Rückbau und Aushub Logo

WENGER KNECHT AG Rückbau und Aushub

Since 2008 · 11–20 empl.3.9(8)

WENGER KNECHT AG Rückbau und Aushub specialises in excavation and deconstruction. Its services include demolition, excavation of building pits, pit support and remediation of contaminated sites, as well as the proper disposal of materials.

Civil worksExcavationDeconstructionDemolition
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #46
Hans Reich AG, Zweigniederlassung Allschwil Logo

Hans Reich AG, Zweigniederlassung Allschwil

Since 2002 · 1–10 empl.4.3(6)

Hans Reich AG, Zweigniederlassung Allschwil is a construction company specialising in civil engineering, road construction and construction management. Its services include utility and sewer networks, drainage systems, road and surfacing works, project planning and emergency response.

Civil worksCivil engineeringRoad constructionSewerage & drainage
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #47
Lehmann Rohrleitungsbau AG Logo

Lehmann Rohrleitungsbau AG

Since 1998 · 11–20 empl.5.0(2)

Lehmann Rohrleitungsbau AG plans, calculates, fabricates and installs piping systems for industrial and energy facilities. Its services also include plant design, equipment and steel construction, technical inspections, documentation and maintenance.

Civil worksPiping constructionEngineering and planningSteel construction
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #48
Jakob Merz Tiefbau AG Logo

Jakob Merz Tiefbau AG

Since 1989 · 1–10 empl.5.0(1)

Civil worksCivil engineering
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #49
Lucini Plattenbeläge GmbH Logo

Lucini Plattenbeläge GmbH

Since 2005 · 1–10 empl.5.0(2)

Building contractorRenovation and conversionTilingRenovation of tiling
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #50

Civil works in the Canton of Basel-Country

100Civil worksCommercial register (Zefix) · as of November 7, 2026
2012Median year of registrationCommercial register (Zefix) · as of November 7, 2026
100in the Canton of Basel-CountryCommercial register (Zefix) · as of November 7, 2026
3,407in SwitzerlandCommercial register (Zefix) · as of November 7, 2026
Locations

Civil works in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 7, 2026