Building contractor in the
Canton of Grisons

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

Companies

50 of 259 companies

Zindel United Verwaltungs AG Logo

Zindel United Verwaltungs AG

Since 2005 · 21–50 empl.4.5(34)

Zindel United Verwaltungs AG is a corporate group in the construction and services sector providing end-to-end solutions from project development and planning to execution, building materials and logistics. The company follows circular-economy principles and offers services such as material recycling, transport logistics, demolition and, according to the website, CO₂-neutral concrete.

Building contractorBuilding constructionCivil engineeringSpecial foundations and deep construction work
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Luzi Bau AG Logo

Luzi Bau AG

Since 2004 · 11–20 empl.4.8(13)

The core activity of Luzi Bau AG is the construction and renovation of buildings and infrastructure, including civil engineering, construction, conversion, renovations, concrete repairs, paving, coating works, drilling and cutting of concrete. The company also offers specialized services such as customer-specific masonry and coating works.

Building contractorCivil engineering and concrete remediationBuilding constructionConversions
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Tarcisi Maissen immobilias SA Logo

Tarcisi Maissen immobilias SA

Since 1989 · 51–100 empl.5.0(6)

The core activity of Tarcisi Maissen SA encompasses the manufacture and distribution of wood products, particularly furniture, windows, doors and interior fittings, as well as the construction of buildings of all kinds, including timber construction and stone processing. Furthermore, the company also offers services in the fields of locksmithing, oven construction and real estate.

Building contractor
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
Savoldelli Tanno SA Logo

Savoldelli Tanno SA

Since 2006 · 21–50 empl.4.9(9)

The company Savotan is primarily engaged in three core activities: 1. **Building**: The company offers building services, as indicated by the "Building" menu item on the website. 2. **Processing**: It also offers services in the field of processing, which suggests the processing of materials or the manufacture of products. 3. **Clearing**: In addition, the company also offers services in the field of clearing, which suggests the disposal or removal of materials or waste. Overall, it can be said that Savotan is a construction and services company specializing in the areas of building, processing, and clearing.

Building contractorBuilding constructionCivil engineeringDemolition
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
Costa AG, Hoch- und Tiefbau Logo

Costa AG, Hoch- und Tiefbau

Since 1968 · 11–20 empl.4.4(26)

The company is active in the fields of gravel/concrete, civil engineering and renovations. It offers services and products related to the construction industry, such as the production of concrete, the extraction of gravel and the execution of civil engineering and renovation works.

Building contractorBuilding construction / conversion / renovationCivil engineeringEngineering construction
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #5
Seiler AG, Hoch- und Tiefbau, Pontresina Logo

Seiler AG, Hoch- und Tiefbau, Pontresina

Since 1959 · 11–20 empl.4.5(22)

The core activity of Seiler AG is the execution of civil engineering and construction work, including hazardous substance remediation, in the Engadine region. The company offers a wide range of services, including the construction of single-family homes, high-altitude construction sites, customer-specific work such as conversions and renovations, as well as hazardous substance remediation.

Building contractorBuilding constructionCivil engineeringCustomer projects
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #6
Nicol. Hartmann & Cie. AG Logo

Nicol. Hartmann & Cie. AG

Since 2015 · 51–100 empl.4.4(23)

Nicol. Hartmann & Cie. AG is a construction firm providing general contracting and a wide range of services, including building construction, civil engineering, specialized excavation and rock work, demolition and blasting, waterproofing and concrete repair.

Building contractorConstruction companySpecial machines for rent
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #7
Lazzarini AG Logo

Lazzarini AG

Since 1945 · 21–50 empl.4.1(16)

Lazzarini AG is a construction company and full-service building contractor offering architecture and project development, general contracting, construction management and site supervision, with capabilities in building construction, timber construction, civil engineering and large-scale civil engineering projects. The company also provides real-estate trust services and an integrated property service (IGS) and holds ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 certifications.

Building contractorBuilding constructionTimber constructionCivil engineering
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #8
Bezzola Denoth AG Logo

Bezzola Denoth AG

Since 2005 · 21–50 empl.4.9(7)

Bezzola Denoth AG is a construction company carrying out building, civil engineering and specialist civil engineering work. Its services include renovations, demolition and slope-protection work, plastering, building waterproofing, flooring, and concrete cutting, drilling and milling.

Building contractorAbove-ground constructionCivil engineeringSpecial foundation works
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #9
Isotech Bautenschutz und Sanierungs AG Logo

Isotech Bautenschutz und Sanierungs AG

Since 2011 · 21–50 empl.5.0(8)

The company offers services in the field of repair and renovation of buildings, particularly concrete structures, drinking water reservoirs and sewage treatment plants. The core activities include: Consulting, analysis and solution development for construction problems; Repair of concrete structures due to environmental influences and/or manufacturing defects; Sealing and coating of buildings, including drinking water reservoirs and sewage treatment plants; Structural reinforcement of industrial buildings, parking garages and bridges; Floor coatings for various applications, such as workshops, production halls and storage areas. The company thus provides comprehensive services for the repair, renovation and maintenance of buildings.

Building contractorConcrete repairLiquid plastic waterproofingPolymer-modified bitumen waterproofing
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #10
Bianchi Bau AG Logo

Bianchi Bau AG

Since 2014 · 21–50 empl.4.9(14)

Bianchi Bau AG is a construction company performing building construction, civil engineering and specialist foundation works, together with masonry, plastering and tiling services. The company also provides house and garden maintenance, snow clearing and property services, including rental of holiday and group houses.

Building contractorBuilding constructionCivil engineeringSpecial deep construction
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #11
J. Rizzi AG Logo

J. Rizzi AG

Since 1960 · 51–100 empl.4.9(12)

The core activity of Rizzi AG is building and providing construction-related services, particularly in the areas of civil engineering, deep foundation, new construction, renovation, drilling, milling, construction supervision, customer masonry, cable laying and environmental works.

Building contractorBuilding constructionCivil engineeringExtension and renovation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #12
Angelini Hoch- & Tiefbau AG Logo

Angelini Hoch- & Tiefbau AG

Since 1981 · 21–50 empl.5.0(6)

The core activity of Angelini Hoch- und Tiefbau AG encompasses the provision of services in the field of construction, including: building construction and renovations, civil engineering, plastering and masonry, asbestos remediation, concrete drilling and sawing, gravel and concrete works, and gas station construction. The company thus offers a wide range of construction services, from planning and execution of construction projects to the renovation and refurbishment of existing buildings.

Building contractorBuilding construction / conversionsCivil engineeringPlastering work and customer masonry
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #13
Vetsch Bauen AG Logo

Vetsch Bauen AG

Since 1982 · 51–100 empl.4.3(14)

Vetsch Bauen AG is a construction company that carries out building construction, civil engineering and renovation projects. The firm delivers infrastructure and residential works and provides end-to-end services from project planning to execution, including vocational training positions.

Building contractorBuilding constructionCivil engineeringRenovation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #14
Wilhelm Tiefbau AG Logo

Wilhelm Tiefbau AG

Since 1990 · 1–10 empl.4.9(7)

The core activity of Enrico Baiutti SA is construction and building services, particularly in the areas of masonry, reinforced concrete, earthworks, and renovation of buildings. The company offers these services as a general contractor in collaboration with architects, with a focus on sustainable and energy-efficient solutions.

Building contractorMasonry workReinforced concreteEarthmoving works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #15
Lazzarini AG Logo

Lazzarini AG

Since 1963 · 21–50 empl.4.1(16)

Lazzarini AG is a construction services company offering planning and execution across building construction, civil engineering, large-scale civil works, timber construction and integrated property services. The firm provides architecture and project development, general contracting, construction management and specialist works including tunnelling and bridge works, and lists ISO 9001, ISO 14001 and ISO 45001 certifications.

Building contractorOverall planning and construction managementBuilding constructionTimber construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #16
D. Martinelli AG Logo

D. Martinelli AG

Since 2004 · 51–100 empl.4.6(11)

The core activity of D. Martinelli AG is the provision of construction services in the fields of civil engineering and building construction, including new buildings, conversions, renovations, plastering work, hazardous substance remediation and sustainable building.

Building contractorBuilding constructionRenovationCivil engineering
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #17
ISOPERMAPROOF AG Logo

ISOPERMAPROOF AG

Since 1999 · 21–50 empl.5.0(4)

The company offers a wide range of services in the field of construction and maintenance technology. The core activities include: concrete repair and sealing of dams, infrastructure buildings and other concrete structures; shotcrete work, including reinforcement nets, load-bearing capacity enhancement, injections and cavity filling; masonry restoration; special concrete forms; slope stabilization; corrosion protection of steel structures through coating systems; floor coatings for various application areas, such as workshops, production halls, storage areas, parking areas, offices and wet rooms; structural reinforcement; and liquid plastic sealing. The company also provides consulting, analysis, solution development and implementation of these services.

Building contractorConcrete repairLiquid plastic waterproofingShotcrete work
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #18
Bernimänner AG Logo

Bernimänner AG

Since 2004 · 1–10 empl.4.9(10)

Bernimänner AG is a construction and transport company providing building works, transport services and snow-clearing operations. Its services include repairs and renovations, demolition and conversions, site redevelopment and infrastructure construction, transport of bulk materials and building supplies, and winter road clearing for public and private roads.

Building contractorConstruction workTransportSnow removal
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #19
Berther Bau und Industrie AG Logo

Berther Bau und Industrie AG

Since 2000 · 21–50 empl.4.1(13)

Berther Bau und Industrie AG is a construction and industrial company active in building construction, civil engineering, specialist foundation engineering, mountain construction and railway construction. Its services also include metalworking, snow clearance, material processing and the prefabrication of building components and steel products.

Building contractorRailway constructionCivil engineeringBuilding construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #20
TA

Tanno AG, Bauunternehmung

Since 1984 · 1–10 empl.4.9(9)

Building contractor
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #21
Vetsch Bauen AG Logo

Vetsch Bauen AG

Since 1986 · 51–100 empl.4.3(14)

Vetsch Bauen AG is a construction company carrying out building construction, civil engineering and renovation projects, including residential buildings, road and tunnel works and other infrastructure projects.

Building contractorBuilding constructionCivil engineering (infrastructure)Renovation and conversion
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #22
Amuris AG Logo

Amuris AG

Since 2003 · 1–10 empl.5.0(4)

Amuris AG carries out industrial maintenance, work at height and depth, and welding and metalwork. Its services include inspections and leak detection, machine and plant overhauls, and assembly and dismantling work.

Building contractorWork at heightIndustrial servicesWelding and metalwork
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
Bauunternehmung Vetsch Klosters AG Logo

Bauunternehmung Vetsch Klosters AG

Since 2013 · 11–20 empl.4.5(10)

The core activity of Vetsch Klosters AG is the execution of construction projects in various fields, particularly: * Civil engineering and special foundation engineering * Building construction * Natural hazards and protection structures * Concrete processing and precast elements * Snow removal and winter services * Logistics The company is a construction company that offers a wide range of services in the construction industry and specializes in the execution of construction projects in the above-mentioned areas.

Building contractorCivil engineering and special deep foundationsBuilding constructionNatural hazards and protective structures
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
Compagnoni Bau AG Logo

Compagnoni Bau AG

Since 2013 · 11–20 empl.5.0(4)

Compagnoni Bau AG is a construction company providing building and civil engineering services, including structural and underground works as well as pipeline installation. Its services include excavation and earthworks, concrete drilling, lightweight construction/drywall, renovations and concrete repairs, site works, equipment hire/sales, transport, winter services and property maintenance.

Building contractorBuilding constructionConversions & extensionsRenovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
Erni AG Bauunternehmung Logo

Erni AG Bauunternehmung

Since 2018 · 51–100 empl.4.9(8)

Erni AG Bauunternehmung carries out building, civil engineering, bridge and railway construction projects and develops, sells and manages real estate, providing planning and execution services for public and private construction works.

Building contractorBuilding constructionCivil engineeringArt structures
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
Galli + Co. GmbH Brandschutztechnik Logo

Galli + Co. GmbH Brandschutztechnik

Since 2003 · 11–20 empl.4.4(9)

The core activity of Galli + Co. GmbH Brandschutztechnik primarily encompasses the field of fire protection, including: fire protection and thermal insulation of ventilation ducts, pipes, wall and ceiling constructions; fire protection cladding and coatings for steel and wood constructions; fire protection joint sealing and wall and ceiling installations; fire compartmentalization and special fire protection constructions; and hazardous substance remediation, including asbestos removal, PCB, PCP, dioxin, etc. The company provides these services with the goal of ensuring the safety of people and buildings through effective fire protection.

Building contractorFire protectionHazardous substance remediationInsulation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Valaulta Berni AG Logo

Valaulta Berni AG

Since 1974 · 21–50 empl.5.0(3)

Valaulta Berni AG is a construction company active in building and civil engineering. Its services include new builds, conversions and renovations, road construction, specialist foundation engineering, natural stone walls and landscaping work.

Building contractorAbove-ground constructionCivil engineeringNatural stone walls
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
H. Kuhn Hoch- und Tiefbau AG Logo

H. Kuhn Hoch- und Tiefbau AG

Since 1979 · 1–10 empl.

H. Kuhn Hoch- und Tiefbau AG is a construction company offering building and civil engineering services, natural stone work and renovation services. Its scope of work includes new construction, conversions and restorations, earthworks and foundation work, stone cladding and paving, plastering, drywall and façade insulation.

Building contractorBuilding ConstructionCivil EngineeringConversions and Renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Battaglia Bau AG Logo

Battaglia Bau AG

Since 1980 · 1–10 empl.

The core activity of UFFER GRUPPE is integral and forward-looking timber construction, including space and property development, construction planning and engineering, as well as the realization of new buildings, renovations, and temporary construction solutions. The company offers a comprehensive range of services in these areas and relies on digital technologies to implement construction projects efficiently and precisely.

Building contractorBuilding constructionCivil engineering worksCustomer works (Subito)
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
Werner Schneider AG Logo

Werner Schneider AG

Since 1981 · 1–10 empl.

Werner Schneider AG is a general contractor in building and industrial construction. Its work includes new builds, conversions and renovations, as well as interior finishing, window and flooring work, and extensions.

Building contractorGeneral contractingBuilding and industrial constructionConversions, extensions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
Giovannini Casaccia SA Logo

Giovannini Casaccia SA

Since 1982 · 1–10 empl.

The core activity of Giovannini Casaccia SA is the provision of services in the construction and real estate sector, particularly in the construction of single-family homes, renovations and other construction-related activities such as the construction of chimneys, Intonaci, Pareti in pietra and other works that encompass everything from the foundation to the roof.

Building contractorBuilding and civil engineering worksRenovations and restoration workRendering, plasterboard, insulation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Flepp SA Logo

Flepp SA

Since 1984 · 1–10 empl.

Flepp SA operates a service website with contact details, an online appointment booking option, and published opening hours. The site also provides language information and a privacy statement covering data processing.

Building contractorBuilding construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Censi & Ferrari SA, impresa costruzioni Logo

Censi & Ferrari SA, impresa costruzioni

Since 1989 · 11–20 empl.

The company's core activities primarily encompass the following areas: railway technology and civil engineering works related to the rail network, construction companies and total and general contractors, real estate development, forestry and special works, and building materials. The company is thus a versatile enterprise with a focus on construction and railway engineering.

Building contractorInfrastructure and building worksInfrastructure rehabilitationGeneral and total contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
Constructa-Bau AG Logo

Constructa-Bau AG

Since 1990 · 1–10 empl.

Constructa-Bau AG is a construction company specializing in building sheet-metal work, pitched and flat roofs, and ventilated façade cladding. Services also include chimney flashings, lightning protection systems, roof windows and maintenance work such as roof cleaning.

Building contractorSheet metal workLightning protection systemsPitched roofs and flat roofs
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
R. Sosio AG Logo

R. Sosio AG

Since 1990 · 1–10 empl.

R. Sosio AG is a company active in architecture, construction management, and real estate. It provides services related to the planning and execution of building projects as well as real estate offerings.

Building contractorArchitectureConstruction managementReal estate
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
Eschmann-Bau AG Logo

Eschmann-Bau AG

Since 1991 · 11–20 empl.

The core activity of Eschmann Bau AG is building and executing construction projects, including masonry, construction and renovation work.

Building contractorBuilding constructionCivil engineeringRenovation work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Hartmann & Sohn AG Fideris Logo

Hartmann & Sohn AG Fideris

Since 1993 · 1–10 empl.

Hartmann & Sohn AG Fideris is a construction company providing building and civil engineering services as well as granite processing. It also plans and carries out new builds, renovations, access infrastructure and terrain works.

Building contractorBuilding constructionCivil engineeringGranite processing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
Belleri Bau AG Logo

Belleri Bau AG

Since 1993 · 1–10 empl.

The core activity of Belleri Bauunternehmung is the provision of construction services, particularly in the fields of building construction and civil engineering, as well as the execution of conversions, renovations and landscaping work. Specific services include: building construction, civil engineering, natural stone walls, rock gardens, renovations and restorations. The company thus offers a wide range of construction-related services.

Building contractorBuilding constructionCivil engineeringRenovations and refurbishments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Willi Hoch- und Tiefbau AG Logo

Willi Hoch- und Tiefbau AG

Since 1994 · 11–20 empl.

The core activity of Willi Hoch- und Tiefbau AG encompasses the provision of services and products in the field of construction and civil engineering, including: Construction: new construction, renovation and refurbishment of single-family and multi-family homes, commercial and industrial buildings; Civil engineering: civil engineering services, crane work, environmental design and transportation; Concrete elements: manufacture of concrete elements such as concrete blocks, concrete wells, kitchen countertops, road elements and other custom concrete products; Drilling and cutting: specialized work such as drilling and cutting of concrete, masonry and natural stone; Prefabricated construction: manufacture of concrete elements and other building components. The company also offers apprenticeship training and consulting services.

Building contractorBuilding and civil engineeringConcrete elementsDrilling and cutting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
Gattoni Marzio Impresa Generale SA Logo

Gattoni Marzio Impresa Generale SA

Since 1995 · 1–10 empl.

Gattoni Marzio Impresa Generale SA is a construction company that provides building construction, civil engineering and earthworks services. The website presents it as a general contractor for projects of different sizes and levels of complexity.

Building contractorBuilding ConstructionCivil EngineeringEarthworks
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
Foffa Conrad AG Logo

Foffa Conrad AG

Since 1996 · 21–50 empl.

Foffa Conrad AG is a construction company providing building construction, civil engineering and specialist excavation services, including demolition and blasting. Its services also include renovation, facade and dry construction, waterproofing, floor screeds, geothermal probe drilling, on-site concrete production with in-house quality control, machine rental and a 24-hour repair/building service; the company holds ISO 9001, ISO 14001 and ISO 45001 certifications.

Building contractorBuilding constructionCivil engineeringSpecial deep construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
Hew AG Bauunternehmung Chur Logo

Hew AG Bauunternehmung Chur

Since 1997 · 21–50 empl.

Hew AG Bauunternehmung Chur is a construction company that plans and executes building, civil engineering and road construction projects. Its services include pavement and surfacing works, concrete drilling and cutting, a rapid small-works service and real-estate purchasing.

Building contractorCivil Engineering & Road ConstructionBuilding ConstructionQuick-build Construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Mammoliti Haustierbedarf Logo

Mammoliti Haustierbedarf

Since 1999 · 1–10 empl.

Mammoliti Haustierbedarf offers products for pets and their owners, including food, leashes, collars, toys, and accessories for dogs, cats, and other animal species. The assortment also includes gift items and a balloon service.

Building contractorPet suppliesGift itemsBalloon service
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
René Hohenegger Sarl Logo

René Hohenegger Sarl

Since 1999 · 11–20 empl.

René Hohenegger Sarl develops and constructs Dome Tiny Houses, geodesic dome structures intended as compact residential units. Its services include design and project realisation of the domes and modular add-ons such as carports with solar arrays and battery storage, plus optional aquaponics systems for partial energy and food self‑sufficiency.

Building contractorDome Tiny HouseCarport with solar system and battery storage
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
HELG + KAUFMANN AG Logo

HELG + KAUFMANN AG

Since 2000 · 21–50 empl.

The core activity of Helg + Kaufmann AG is the construction and planning of building projects, particularly in the Davos and Klosters region. The company provides services as a construction partner and is committed to implementing customer wishes.

Building contractorBuilding construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Cuorta Bau GmbH Logo

Cuorta Bau GmbH

Since 2001 · 1–10 empl.

The core activity of Cuorta Bau is the extraction, processing, delivery and laying of natural stones, particularly in the Soglio quartzite sector. This includes the extraction of natural stones from quarries, the processing and processing of natural stones in a workshop, as well as the laying of natural stones for construction work, such as floor coverings and wall cladding.

Building contractorNatural stoneNatural stone installationQuarry operation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
IMPRESA BOGANA FRANCESCO SAGL Logo

IMPRESA BOGANA FRANCESCO SAGL

Since 2001 · 1–10 empl.

IMPRESA BOGANA FRANCESCO SAGL is a construction firm offering roofing, timber-frame houses and general contracting services. The company carries out renovation of rural stone and timber buildings, provides feasibility studies and project design, and sells properties and land directly.

Building contractorConstruction companyGeneral contractorRoofs and roofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
Collenberg SA Logo

Collenberg SA

Since 2004 · 1–10 empl.

Collenberg SA is a regional construction company that provides general building work. Its services include structural construction, civil engineering, concrete drilling and cutting, and smaller customer-specific tasks.

Building contractorBuilding constructionCivil engineeringConcrete drilling and milling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
cavelti derungs ag Logo

cavelti derungs ag

Since 2007 · 1–10 empl.

cavelti derungs ag provides services for construction projects, including project management and planning for new builds, alterations and renovations. Its services also include energy consulting, property management, hazardous-material screening and fire-safety planning.

Building contractorConstruction managementPlanningEnergy consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Building contractor in the Canton of Grisons

259Building contractorCommercial register (Zefix) · as of November 5, 2026
2011Median year of registrationCommercial register (Zefix) · as of November 5, 2026
259in the Canton of GrisonsCommercial register (Zefix) · as of November 5, 2026
5,331in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026