Building contractor in the
Canton of Aargau

401 companies in Building contractor based in the Canton of Aargau — name and year of registration from the commercial register.

Companies

50 of 401 companies

Estermann AG Logo

Estermann AG

Since 2006 · 11–20 empl.4.5(51)

Estermann AG is a construction company providing residential, industrial and commercial building, civil engineering and renovation services. Its offering includes project execution, exposed concrete and masonry work, and turnkey construction; the Estermann Baugruppe also comprises real estate development and plastering specialists to enable integrated project delivery.

Building contractorPlastering workFacade restorationsExternal thermal insulation and façade construction
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
Vanoli AG Zofingen Logo

Vanoli AG Zofingen

Since 1969 · 21–50 empl.4.4(61)

Vanoli AG Zofingen is a construction company providing building production and specialist services for rail and civil engineering projects. Its offerings include rail infrastructure and track construction, structural/engineering works, microtunneling, geomatics and surveying, project management and total/general contracting services.

Building contractorRailway Infrastructure / Track Construction / Deep Track ConstructionCivil Engineering ConstructionMicrotunnelling
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #2
Montana Bausysteme AG Logo

Montana Bausysteme AG

Since 1963 · 11–20 empl.4.8(31)

Montana Bausysteme AG manufactures metal building components for roofs, façades and ceilings. Its products include trapezoidal, corrugated and cladding profiles, sandwich panels, liner trays and composite floor profiles.

Building contractorSandwich wall panelsSandwich roof panelsCoatings and paints
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #3
Rocchinotti Bau AG Logo

Rocchinotti Bau AG

Since 1977 · 21–50 empl.5.0(27)

Rocchinotti Bau AG is a construction company carrying out building construction, renovations and civil engineering works. Its services also include customer support, work on historic buildings and specialist crane services.

Building contractorBuilding constructionBuilding conversionService and maintenance
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
Loosli Bau AG Logo

Loosli Bau AG

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.

Building contractorBuilding constructionCivil engineeringPlanning
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #5
Huwiler & Portmann AG Logo

Huwiler & Portmann AG

Since 1981 · 51–100 empl.4.7(21)

Huwiler & Portmann AG is a construction company carrying out building and civil engineering projects, renovations and refurbishments. Its services include residential, industrial and commercial buildings, excavation, sewerage and utility lines, and façade renovation.

Building contractorBuilding constructionCivil engineeringConversions & renovations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #6
Leuthard Bau AG Logo

Leuthard Bau AG

Since 1999 · 21–50 empl.4.3(53)

Leuthard Bau AG is a construction services provider active in real estate project development and marketing, as well as building, civil engineering, road and façade construction. It also provides integrated services for construction projects.

Building contractorBuilding constructionFacade construction
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #7
Bächler Bau GmbH Logo

Bächler Bau GmbH

Since 2020 · 1–10 empl.5.0(51)

Bächler Bau GmbH is a construction company carrying out new-build, renovation and refurbishment work. Its services include masonry and concrete work, core drilling, demolition, plastering and tiling.

Building contractorNew constructionConversionBuilding rehabilitation
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #8
Treier AG Logo

Treier AG

Since 2013 · 51–100 empl.4.7(14)

Treier AG is a construction company offering building and civil engineering services as well as plastering. Its activities also include excavator vacuum services, conversions, extensions, renovations, refurbishments and work on historic buildings.

Building contractorBuilding constructionCivil engineeringPlastering
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #9
R. Kuster Bau GmbH Logo

R. Kuster Bau GmbH

Since 2009 · 1–10 empl.5.0(17)

The core activity of R. Kuster Bau GmbH is the planning and execution of construction projects, including renovations, conversions and modifications to houses and gardens, as well as the implementation of civil engineering and construction work, interior finishing and gardening. The company offers comprehensive services for private and business customers, from planning to execution of construction projects.

Building contractorBuilding constructionCivil engineeringConstruction management & renovation planning
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #10
Xaver Meyer AG Logo

Xaver Meyer AG

Since 2015 · 21–50 empl.4.5(52)

Xaver Meyer AG is a construction company providing architectural and general contracting services, including renovations and façade work. Its activities also include production of prefabricated concrete elements (element construction), garden/landscaping services and real estate brokerage and property management.

Building contractorArchitectural servicesConstruction servicesPrefabricated element construction
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #11
Notter Hochbau AG Logo

Notter Hochbau AG

Since 1980 · 21–50 empl.4.2(45)

Notter Hochbau AG is a company that executes building projects, carrying out residential construction, public buildings, industrial and commercial buildings, and engineering structures. The company coordinates the construction process to meet economic and technical requirements and provides services for private clients, companies, architects and general contractors.

Building contractorResidential constructionCommercial & industrial constructionInfrastructure construction
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #12
Villiger Bau AG Logo

Villiger Bau AG

Since 1997 · 11–20 empl.4.7(15)

Villiger Bau AG provides construction services across building and civil engineering, including new construction, extensions and renovation projects. Its services cover residential and commercial buildings, sewer and utility works, exposed concrete and masonry, masonry and plastering, and façade and drywall work (with partner Niggli Villiger AG for some façade and drywall services).

Building contractorBuilding constructionExtensions and conversionsCivil engineering
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #13
R. Steiner AG Logo

R. Steiner AG

Since 2005 · 11–20 empl.5.0(12)

R. Steiner AG is a construction and building trades company carrying out alterations, extensions and renovations. Its services include masonry and concrete work, tiling, plastering, timber construction, roofing, insulation and interior fit-outs.

Building contractorCustom masonryTimber constructionTotal renovation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #14
Urs Birchmeier AG Logo

Urs Birchmeier AG

Since 2003 · 11–20 empl.4.8(12)

Urs Birchmeier AG is a construction company providing new builds, conversions and renovations, as well as civil engineering and exterior landscaping works. Its services include maintenance and repairs, core drilling and excavator operations using a Menzi-Muck A91, and it is linked with Urs Birchmeier Immobilien AG for property development.

Building contractorNew buildsAlterations & renovationsSite works & civil engineering
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #15
Bau AG Möriken Logo

Bau AG Möriken

Since 1998 · 1–10 empl.4.8(15)

Bau AG Möriken is a construction company working in building construction and civil engineering. Its services include new builds, conversions, renovations, excavation, drainage and utility-line construction, disposal work and landscaping.

Building contractorBuilding constructionCivil engineeringRenovations and refurbishment
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #16
Ridis Generalunternehmung GmbH Logo

Ridis Generalunternehmung GmbH

Since 2022 · 1–10 empl.5.0(48)

Ridis Generalunternehmung GmbH carries out construction and renovation work, covering new builds, alterations, renovations and refurbishments from initial planning through completion. Its services include painting and plastering, façade refurbishment, scaffolding, flooring and drywall construction.

Building contractorPainting workPlastering workFacade renovation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #17
Rulli AG Logo

Rulli AG

Since 1969 · 1–10 empl.4.6(19)

Rulli AG carries out new-build, conversion and renovation work and provides customer-oriented, transparent solutions for small and medium-sized building projects. All work is performed by its own staff, avoiding subcontractor or piece-rate arrangements.

Building contractorNew buildsConversions and renovationsGeneral customer work
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #18
Stadelmann & Stutz AG Logo

Stadelmann & Stutz AG

Since 1991 · 51–100 empl.4.2(13)

Stadelmann & Stutz AG is a carpentry and timber construction company that manufactures timber components and plans and delivers building projects. Its activities also include architecture and the development, marketing and management of real estate.

ArchitectTimber constructionArchitectureReal estate
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #19
Hoch- & Tiefbau Aarau/Buchs AG Logo

Hoch- & Tiefbau Aarau/Buchs AG

Since 2000 · 11–20 empl.4.6(11)

Hoch- & Tiefbau Aarau/Buchs AG is a construction company that builds residential, office and commercial properties. Its activities include exposed-concrete work, conversions and renovations, demolition, outdoor works and plastering.

Building contractorBuilding constructionConversions / RenovationsOffice and commercial buildings
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #20
Karl Vögele Hoch- und Tiefbau AG Logo

Karl Vögele Hoch- und Tiefbau AG

Since 2013 · 21–50 empl.4.9(17)

The core activity of TE Web GmbH is the creation of websites and online shops for small and medium-sized enterprises, as well as the provision of services in the areas of web design, web development and online marketing.

Building contractorBuilding constructionCivil engineeringRenovation & refurbishment
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #21
Rulli Bau GmbH Logo

Rulli Bau GmbH

Since 2007 · 1–10 empl.4.6(19)

Rulli Bau GmbH is a construction company carrying out new builds, conversions and renovations for private and commercial clients. Services include general building works, diamond drilling and cutting, transport services, assistance with planning and building-permit procedures, and real-estate/general contracting activities in cooperation with Casa-Optima.

Building contractorNew buildingsConversions and renovationsGeneral customer work
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #22
Hobak Frick AG Logo

Hobak Frick AG

Since 1982 · 1–10 empl.5.0(10)

Hobak Frick AG trades in wood and building materials for construction and renovation projects. Its range includes flooring, doors, structural timber, garden products, insulation materials and paints; services include advice, delivery, machinery rental and cutting.

Building contractorFloor coveringsDoorsGarden assortments
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #23
A. Frey AG Bauunternehmung Logo

A. Frey AG Bauunternehmung

Since 2007 · 21–50 empl.4.4(14)

A. Frey AG Bauunternehmung is a construction company that provides building construction, extensions and renovations, civil/site works, scaffolding, client masonry and core drilling/concrete cutting services.

Building contractorBuilding constructionExtensions and conversionsCivil engineering / site works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #24
ERNE AG Holzbau Logo

ERNE AG Holzbau

Since 1965 · 51–100 empl.4.8(6)

ERNE AG Holzbau is a timber construction company serving industrial and building projects. It delivers buildings using panel, modular and hybrid construction, as well as façade, window and interior fit-out solutions, carpentry, renovation and integrated construction services.

Building contractorComplete servicesTimber hybrid constructionTimber modular construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #25
S. Siegrist AG Logo

S. Siegrist AG

Since 1996 · 11–20 empl.5.0(6)

S. Siegrist AG is a construction company providing building and civil-engineering services as well as exposed-concrete work. Core activities include new-build projects (single- and multi-family housing, residential developments), commercial and industrial construction, renovations and structural alterations, and excavation, sewer and utility works.

Building contractorBuilding constructionExposed concreteCivil engineering
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #26
SB Unternehmen AG Logo

SB Unternehmen AG

Since 1984 · 11–20 empl.4.3(15)

Building contractorCivil engineering, sewerage and pipeline constructionRoad construction and asphalt worksPaving, natural stone retaining walls and landscaping works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #27
Schilling AG Birr Logo

Schilling AG Birr

Since 1991 · 1–10 empl.5.0(6)

Schilling AG Birr provides plastering and stucco work, drywall construction, façade construction and insulation, renovations, painting, and construction management for new builds, conversions, and refurbishment projects.

Building contractorDrywallPlastering workFacade construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #28
Gottlieb Müller AG, Hoch- und Tiefbau Logo

Gottlieb Müller AG, Hoch- und Tiefbau

Since 1999 · 51–100 empl.4.0(12)

Gottlieb Müller AG, Hoch- und Tiefbau is a construction company carrying out building and civil engineering work. Its services include residential and public buildings, road and utility works, sewer construction and repairs, renovations, and conversions.

Building contractorBuilding constructionCivil engineeringRenovations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #29
Bachmann AG Kirchleerau Logo

Bachmann AG Kirchleerau

Since 2001 · 21–50 empl.4.8(8)

Bachmann AG Kirchleerau is a construction company working in building construction, civil engineering and specialist foundation work. Its services include masonry and reinforced-concrete work, renovations, excavation, drainage and sewer construction, road building, and trenchless pipeline work.

Building contractorBuilding constructionCivil engineeringSpecial foundation engineering
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #30
F. Berner-Iberg AG Bauunternehmung Logo

F. Berner-Iberg AG Bauunternehmung

Since 2012 · 21–50 empl.4.8(6)

F. Berner-Iberg AG Bauunternehmung is a family-owned construction company that carries out building and civil engineering works as well as renovations and repairs. The company provides planning and general-contractor services for turnkey residential and commercial projects, supplies gravel and ready-mix concrete, and manages property rental and sale offerings.

Building contractorAbove- and below-ground construction / customer workRefurbishments and renovations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #31
Greub AG Logo

Greub AG

Since 1969 · 11–20 empl.4.8(6)

Greub AG carries out building and civil engineering work for new builds, conversions, extensions and renovations. Its services include utility connections, smaller excavation and demolition projects, core drilling and leak tests of wastewater pipes.

Building contractorBuilding and civil engineeringSite and garden worksCore drilling
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #32
Mäder AG Bauunternehmen Logo

Mäder AG Bauunternehmen

Since 1944 · 11–20 empl.4.4(11)

The core activity of Mäder AG is the execution of demolition and construction work as a construction company.

Building contractorConversion and RenovationConcrete and Façade RestorationPlastering Works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #33
Eugen Schneider AG Lengnau Logo

Eugen Schneider AG Lengnau

Since 1971 · 1–10 empl.5.0(6)

Eugen Schneider AG Lengnau carries out building and civil engineering work. Its services also include landscaping and site works, scaffolding, core drilling, renovations and demolition.

Building contractorBuilding constructionCivil engineeringSite works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #34
Bucher + Joho AG Logo

Bucher + Joho AG

Since 1976 · 51–100 empl.4.5(11)

Bucher + Joho AG is a construction company specialising in building and civil engineering. Its services include new builds, renovations and refurbishments, utility and sewer construction, bridge construction and building maintenance.

Building contractorBuilding constructionCivil engineeringConversions
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #35
Braccini Bau AG Logo

Braccini Bau AG

Since 1981 · 1–10 empl.4.6(8)

The core activity of Braccini Bau AG encompasses the following areas: * Civil engineering (e.g. garden design, renovation or refurbishment, water pipe or sewage breaks) * Renovations (e.g. renovation of single-family or multi-family homes) * New constructions (e.g. single-family homes and extensions in classic or modern design) * Customer masonry (e.g. facade renovation, repair or insulation of facades, minor repair work inside or outside the building) Thus, the company offers a wide range of services in the construction industry.

Building contractorNew constructionConversion + renovationMasonry + façade remediation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #36
DBA Bau AG Logo

DBA Bau AG

Since 2020 · 21–50 empl.4.6(8)

The core activity of DBA Bau AG is the provision of construction services, particularly in the areas of masonry work, crane work and construction site management. The company also offers storage and logistics services, including warehousing and transportation of building materials.

Building contractorBuilding constructionCivil engineeringDemolition and renovation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #37
Genossenschaft für ländliches Bauen Aargau Logo

Genossenschaft für ländliches Bauen Aargau

Since 1974 · 21–50 empl.4.8(10)

The core activity of GLB Aargau includes the planning, execution and brokerage of construction projects, particularly in the area of agricultural buildings, residential homes and commercial buildings. This includes new constructions, conversions, renovations as well as the rental of formwork materials, auxiliary equipment, construction tools and machinery. Additionally, the company offers consulting services for construction projects and provides skilled workers for in-house services.

Building contractorAgricultural buildingsResidential housesCommercial buildings
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #38
Meier-Laube AG Bauunternehmung Logo

Meier-Laube AG Bauunternehmung

Since 1974 · 21–50 empl.4.5(8)

The core activity of MEIER-LAUBE AG is construction, particularly in the areas of building construction, civil engineering, renovation and gravel coating. The company offers services such as residential construction, real estate purchase and rental, construction management, crane operation and other construction-related services.

Building contractorBuilding constructionCivil engineering worksConversions / Renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Hächler AG Logo

Hächler AG

Since 1974 · 11–20 empl.4.7(6)

Hächler AG is a construction company offering building and civil engineering as well as conversions and renovations. Its services also include façade work, tiling, building protection, and consultation, planning and project management for complete renovation projects.

Building contractorBuilding and civil engineeringRenovation and conversionComplete renovation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
J. Rebmann AG Logo

J. Rebmann AG

Since 1985 · 11–20 empl.4.4(15)

J. Rebmann AG is a construction company carrying out building and civil engineering work. Its services include residential, industrial and commercial construction, roadworks, excavation, and building renovations and extensions.

Building contractorBuilding constructionCivil engineeringRenovation and conversion
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
Alfred Amgarten AG Logo

Alfred Amgarten AG

Since 1986 · 1–10 empl.4.3(7)

The core activity of A. Amgarten AG is the provision of services in the field of construction, particularly in building construction, renovation, scaffolding construction, as well as in specialized services such as core drilling and monobeton. This includes, among other things, new buildings, renovations, additions, demolition work, master builder services, and the erection of scaffolding.

Building contractorBuilding constructionRenovation and conversion workScaffolding work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
Vollenweider Bau AG Logo

Vollenweider Bau AG

Since 2013 · 11–20 empl.4.4(7)

The core activity of Vollenweider Bau AG is the planning and realization of construction projects, including high-rise construction, civil engineering, conversion, renovations and refurbishments, with a focus on residential, industrial and public buildings, as well as agricultural buildings and real estate, in the Freiamt region and surrounding areas.

Building contractorResidential buildingsPublic buildingsIndustrial and special-purpose buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Gasser Bauunternehmen GmbH Logo

Gasser Bauunternehmen GmbH

Since 2016 · 1–10 empl.5.0(9)

The core activity of Gasser Bauunternehmen GmbH is the provision of services in the construction sector, particularly: new buildings, conversions/renovations, and customer work (extensions, all types of customer work). The company focuses on comprehensive customer care and offers a wide range of construction-related services.

Building contractorNew buildsAlterationsAdditions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
Gebr. Faes AG Logo

Gebr. Faes AG

Since 1964 · 11–20 empl.4.3(4)

Gebr. Faes AG is a construction and general contracting company working in building construction, civil engineering and road construction. Its services include residential and industrial buildings, earthworks, drainage, renovations, alterations and masonry work for clients.

Building contractorBuilding constructionCivil engineeringCustomer masonry work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
SikaBau AG Logo

SikaBau AG

Since 2000 · 1–10 empl.4.5(4)

SikaBau AG is a specialist company for waterproofing, building protection and structural repair. It performs specialist works in building and civil engineering and provides services such as liquid-applied and membrane waterproofing, concrete repair and protection, injections, corrosion protection, resin and car-park coatings, joint sealing, tunnel/bridge and reservoir waterproofing, and engineering for reinforcement and sealing systems.

Building contractorBuilding waterproofingWatertight concrete structuresInfrastructure structures
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
F. Berner-Iberg AG Kies + Betonwerk Logo

F. Berner-Iberg AG Kies + Betonwerk

Since 2012 · 1–10 empl.4.8(6)

F. Berner-Iberg AG Kies + Betonwerk supplies processed aggregates and ready-mixed concrete and provides construction services for building projects. The company also offers planning support, repair work and services for smaller construction jobs.

Building contractorGravel and concrete
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
PP PlanPro AG Logo

PP PlanPro AG

Since 2018 · 1–10 empl.5.0(5)

The core activity of planPRO AG is the planning, installation, maintenance and repair of photovoltaic and solar systems, electrical planning, energy storage solutions, battery storage systems and charging stations. In addition, the company also offers services in the areas of home automation, electrical installation and lighting planning.

Building contractorPhotovoltaic systemsEnergy storageEnergy utilisation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
Zimmerli Baumanagement GmbH Logo

Zimmerli Baumanagement GmbH

Since 2022 · 1–10 empl.5.0(22)

The core activity of Zimmerli Baumanagement GmbH is the planning and execution of construction projects, including new buildings, extensions, conversions and renovations, with a focus on sustainable and cost-effective solutions. The company acts as a partner for builders, craftsmen and companies, offering services such as construction management, project development and implementation.

Building contractorConstruction management and site supervisionClient representation and buyer representationPlanning of extensions, conversions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
Monotec GmbH Logo

Monotec GmbH

Since 2014 · 1–10 empl.5.0(6)

The core activity of Monotec GmbH is the provision of services in the fields of architecture and lighting, particularly in the following areas: Architecture: planning and realization of construction projects, from the initial idea to the handover of the object; Lighting: lighting design and planning for construction projects; Construction management: supervision and management of construction projects; Specialist construction management: shell construction and electrical engineering. The company provides its customers with comprehensive support from planning to execution of construction projects and advises them on various topics.

Building contractorConstruction planningSite managementLighting design
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Building contractor in the Canton of Aargau

401Building contractorCommercial register (Zefix) · as of November 6, 2026
2017Median year of registrationCommercial register (Zefix) · as of November 6, 2026
401in the Canton of AargauCommercial register (Zefix) · as of November 6, 2026
5,330in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

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