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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryConstruction & Architecture

Construction & Architecture

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48'323 companies found

Studio d'ingegneria Giorgio Masotti Logo

Studio d'ingegneria Giorgio Masotti 

Bellinzona · Since 2009

Studio d'ingegneria Giorgio Masotti is an engineering practice focused on civil engineering, offering planning, design and construction supervision for infrastructure and building projects. Its activities include transport infrastructure (roads, railways, airports), substructures and structures (bridges, channels), environmental work, project management, consulting and expert reports. Services cover all project phases from feasibility studies to detailed design, as well as site and workshop quality control; the firm operates according to ISO 9001.

Construction & Project Management
View profile4.8(8)
Studio d'ingegneria Riccardo Calastri SA Logo

Studio d'ingegneria Riccardo Calastri SA 

Sementina · Since 1992

Studio d'ingegneria Riccardo Calastri SA is an engineering firm in geomatics offering official cadastral surveys, technical surveys, land consolidation and digital territory data management. Services include 3D terrain and building models (MDT/BIM), orthophotos, expert reports and precision measurements using drones, laser scanners and terrestrial instruments.

Civil Engineering Firms
View profile4.4(8)
Studio d'ingegneria Riccardo Calastri GR SA Logo

Studio d'ingegneria Riccardo Calastri GR SA 

Mesocco · Since 2015

Studio d'ingegneria Riccardo Calastri GR SA is an engineering firm providing surveying and geodata services, including cadastral measurements, technical surveys, land consolidations and land registry maintenance. The firm produces 3D models and architectural surveys using drones, laser scanners and terrestrial surveys, and prepares technical reports and documentation for property-for-floor (PPP) arrangements.

Civil Engineering Firms
View profile4.4(8)
Suisse-Garden GMBH Logo

Suisse-Garden GMBH 

Seengen · Since 2017

The core activity of Suisse-Garden GmbH is gardening and maintenance, including excavation work, as well as the delivery of firewood and snow removal.

Horticulture & Landscaping
View profile5(8)
SWISS Isolation Sàrl Logo

SWISS Isolation Sàrl 

Bussigny · Since 2012

SWISS Isolation Sàrl provides thermal and acoustic insulation, fire-protection and sheet-metal (ferblanterie) services for industrial, administrative and residential buildings, including work on existing hot and cold installations to reduce heat loss and noise while maintaining functional and aesthetic conformity.

Sealing & Insulation
View profile3.9(8)
Tanner GmbH, Gartengestaltung Logo

Tanner GmbH, Gartengestaltung 

Liestal · Since 1998

The core activity of Tanner Gartengestaltung GmbH is the planning, design and maintenance of gardens, including gardening and garden care, in the Liestal area and its surroundings.

Horticulture & Landscaping
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taro architekten Peter & Fabrice Müller GmbH Logo

taro architekten Peter & Fabrice Müller GmbH 

Wohlen Ag · Since 2020

Architecture Firms
View profile5(8)
Team Graf AG Logo

Team Graf AG 

Münsingen · Since 2004

Team Graf AG is a carpentry company specializing in interior construction, shopfitting, gastronomy, pharmacies, embassies, and other specialized carpentry work. The core activities include planning, manufacturing, and assembly of customized carpentry solutions, including doors, interior fittings, and other wood constructions.

Interior Construction
View profile4.9(8)
tenebris lux gmbh Logo

tenebris lux gmbh 

Widnau · Since 2021

The core activity of tenebris lux GmbH is the planning and implementation of electrical and lighting systems for various types of construction projects, including residential buildings, public buildings, commercial properties and schools. This includes creating 2D CAD plans and 3D visualizations, coordinating and organizing electrical and lighting installations, conducting feasibility and profitability studies of existing electrical systems, as well as calculating and designing renovations.

Civil Engineering FirmsConstruction & Project Management
View profile5(8)
THB Trachsel Holzbau Brienz AG Logo

THB Trachsel Holzbau Brienz AG 

Brienz Be · Since 2012

The core activity of THB Trachsel Holzbau Brienz AG is the execution of carpentry work, particularly in the area of renovation, conversion and renovation of old buildings, as well as the construction of new buildings, garden houses, annexes and outbuildings, as well as agricultural and industrial buildings. This also includes specific activities such as roofing work, interior finishing, staircase construction and the installation of floor coverings.

Interior ConstructionTimber Construction & CarpentryRoofing
View profile5(8)
Thoenen Bauunternehmung AG Logo

Thoenen Bauunternehmung AG 

Gstaad · Since 1968

The core activity of Thoenen Bauunternehmung AG is the provision of services in the field of construction and civil engineering, including construction work, core drilling, concrete cutting, excavation, demolition, renovation, gravel production, natural stone walls, transportation, snow removal and exposed concrete work. The company offers a wide range of construction-related services and positions itself as a regionally rooted construction company in the Saanenland region.

Building ConstructionBuilding MaintenanceCivil Engineering
View profile5(8)
Thomsen + Ludwig Architekturbüro GmbH Logo

Thomsen + Ludwig Architekturbüro GmbH 

Tegerfelden · Since 2004

The company is an architectural firm specializing in the planning and realization of various construction projects, including residential buildings, commercial buildings, renovations, and public buildings. The core activity includes providing services in the field of architecture, such as creating visualizations, planning and executing construction projects, as well as advising builders and investors.

Architecture FirmsGeneral Contractors
View profile4.5(8)
TimberTime GmbH Logo

TimberTime GmbH 

Wichtrach · Since 2018

The core activity of TimberTime GmbH is the provision of services in the field of carpentry and roofing, including roof renovations, scaffolding construction, crane and hoisting work, interior finishing, façade work and PV systems. The company offers comprehensive solutions for construction and renovation projects and focuses on the individual needs of its customers.

Interior ConstructionTimber Construction & CarpentryRoofing
View profile5(8)
Ton projet Sàrl Logo

Ton projet Sàrl 

La Tour-De-Trême · Since 2017

The core activity of Ton Projet Sàrl is the provision of services in the fields of architecture, renovation, construction and interior design. This includes in particular: Architecture: design and planning of buildings and spaces Renovation: renovation and conversion of existing buildings Construction: construction of new buildings Interior design: design and fit-out of interior spaces Project management and site management: project management and construction supervision The company thus offers a comprehensive range of services that cover the entire process from planning to implementation of construction projects.

Architecture Firms
View profile5(8)
Top-Schaler GmbH Logo

Top-Schaler GmbH 

Neuheim · Since 2018

The core activity of Top-Schaler GmbH is the provision of services in the construction industry, particularly the execution of formwork and other construction activities.

Sealing & Insulation
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Traceroute SA Logo

Traceroute SA 

Aclens · Since 2021

Traceroute SA is a company specialising in road signage, road marking and the installation of street furniture. It installs traditional signs, totems and electronic panels, carries out road marking work including provisions for visually impaired users, and provides a catalogue plus an online parking-reservation service.

Civil Engineering
View profile4(8)
Trailworks Biketrails & Wanderwege GmbH Logo

Trailworks Biketrails & Wanderwege GmbH 

Glarus · Since 2007

The core activity of Trailworks Biketrails & Wanderwege GmbH is the planning, design and implementation of bike parks, competition tracks, children's cycling offers, hiking trails and bike trails, particularly in alpine regions. The company develops target group-specific master plans, handles permits and implements the projects in an environmentally friendly and resource-efficient manner.

Sports Facility Construction
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Trewag AG Logo

Trewag AG 

Effretikon · Since 1986

The core activity of Trewag AG is the development, manufacture and assembly of partitioning systems for various fields of application, such as offices, industry, medicine and others. The products include glass partitions, office partitions, soundproof partitions, industrial partitions, mobile partitions and room-in-room systems. The company also offers consulting, planning and manufacturing services and produces all parts to measure in its in-house production facility.

Interior ConstructionGlass, Ceramics, Stone & Construction Materials Industry
View profile4.8(8)
Trockentech AG Logo

Trockentech AG 

Baar · Since 2003

The core activity of Trockentech AG is the treatment of water damage and the drying of buildings. This includes specific services such as leak detection, water damage restoration, room climate analysis, construction drying and construction heating. The company also offers sales services, but these are not the focus of its activities.

Specialized Construction Activities
View profile3.6(8)
truan architecture Sàrl Logo

truan architecture Sàrl 

Lausanne · Since 2012

The company Truan Architectes is engaged in architecture.

Architecture Firms
View profile3.5(8)
Truttmann Holzprofis Emmetten AG Logo

Truttmann Holzprofis Emmetten AG 

Emmetten · Since 1978

Truttmann Holzprofis Emmetten AG is a carpentry and timber-construction firm specializing in wood construction, joinery and interior fit-outs. Services include timber construction work, bespoke joinery, garden timber structures and other specialized wood projects; the company is a member of industry associations such as Holzbau Schweiz and Lignum.

Interior Construction
View profile5(8)
Tschanz AG Logo

Tschanz AG 

Luterbach · Since 1986

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 Engineering
View profile4.5(8)
Tschanz Grabenlos AG Logo

Tschanz Grabenlos AG 

Luterbach · Since 2010

Tschanz Grabenlos AG is a specialist contractor for the installation and replacement of pipelines, offering trenchless techniques and conventional civil engineering works. Services include horizontal directional drilling (HDD), guided pressing, pipe bursting (berstlining), steel‑pipe ramming/impact mole and road and site works for municipal and private clients.

Site Preparation
View profile4.5(8)
TSW Kummer Akustik GmbH Logo

TSW Kummer Akustik GmbH 

Märstetten · Since 2024

TSW Kummer Akustik GmbH is a provider of system walls, mobile partitions and acoustic solutions for offices and workspaces. The company offers planning and interior concepts, meeting booths, lighting, furniture, and the supply and installation of system wall and acoustic products.

Interior Construction
View profile4.5(8)
Utiger Schreinerei GmbH Logo

Utiger Schreinerei GmbH 

Stettlen · Since 2006

The core activity of Utiger Schreinerei GmbH is the manufacture and sale of furniture and the provision of services in the field of interior finishing, including the production of windows, doors, cabinets, bathroom furniture, tables and kitchens. The company also offers construction management and sales services.

Interior Construction
View profile4.9(8)
V2 Architekten GmbH Logo

V2 Architekten GmbH 

Suhr · Since 2018

V2 Architekten GmbH is an architectural firm offering design and planning services for renovations, single-family and multi-family houses, and area developments. Its services include client advisory, feasibility studies, project and building-permit submissions, tendering, site management and project completion with documentation.

Architecture Firms
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Valier AG Logo

Valier AG 

Zurich · Since 2024

Civil Engineering Firms
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Veneto Fenster GmbH Logo

Veneto Fenster GmbH 

Zug · Since 2020

The core activity of Veneto Fenster GmbH is the planning, installation and maintenance of windows, doors, shutters and other window and door systems for private and commercial customers. This also includes emergency services, burglary protection and energy-saving measures. The company also offers individual consulting and tailored solutions to meet the specific needs of its customers.

Interior Construction
View profile5(8)
Veranda Viva R. Wüthrich Logo

Veranda Viva R. Wüthrich 

Bubikon · Since 1999

The core activity of veranda viva is the design and greening of terraces, including the planning, realization and furnishing of terraces with furniture, plants, irrigation and lighting.

Horticulture & Landscaping
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Vertuose Parcs et Jardins Sàrl Logo

Vertuose Parcs et Jardins Sàrl 

Bossonnens · Since 2017

The core activity of Vertuose Parcs et Jardins Sàrl is the provision of services in the field of landscaping and garden maintenance. Specifically, this includes: Landscaping (design and construction of outdoor spaces, including walls, paving, mineral gardens, terraces, etc.), Maintenance (care and maintenance of outdoor spaces, including lawn mowing, pruning, plant treatment, etc.), Ecological lawn mowing, Planting, Turfing, Fencing, etc. The company focuses on the Veveyse and Riviera regions in Switzerland and offers its services to private and potentially commercial customers.

Horticulture & Landscaping
View profile4.4(8)
Vibor SA Logo

Vibor SA 

Cadenazzo · Since 1994

The core activity of Vibor SA is the planning, manufacturing and installation of high-quality, custom-made kitchens, including related services such as consulting, design, transportation and assistance.

Interior Construction
View profile4.4(8)
Villatype S.A. Logo

Villatype S.A. 

Belprahon · Since 1972

Villatype S.A. is an architecture and construction atelier that designs and builds villas, renovation projects and multi-unit or commercial buildings. Services include bespoke villa concepts, standard villa concepts with fixed-price options, renovation/refurbishment, financial planning support and property development/promotions.

Architecture Firms
View profile4.9(8)
virdis architecture sàrl Logo

virdis architecture sàrl 

Fribourg · Since 2006

virdis architecture sàrl is an architectural practice providing architecture, urban planning and built-heritage renovation services. The firm undertakes competitions and public mandates and delivers projects including new construction, conversions, reuses and restorations across housing, public and industrial buildings, with expertise in ecological construction methods (Minergie, timber, prefabrication).

Architecture Firms
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Vischer Architekten AG Logo

Vischer Architekten AG 

Basel · Since 1984

Vischer Architekten AG is an independent architectural practice offering planning, project development and construction management for new buildings, renovations, extensions and restorations. The firm also undertakes competitions and study commissions, prepares CAD surveys and advises clients on expert assessments, quality assurance and client representation.

Architecture Firms
View profile4.9(8)
VISION FENETRE Sàrl Logo

VISION FENETRE Sàrl 

Grand-Lancy · Since 2016

The core activity of Vision Fenêtre Sàrl is the supply and installation of custom-made windows, including consulting, sales, technical preparation, assembly and after-sales service. The company offers a wide range of window products, including wood, wood-aluminum, PVC and PVC-aluminum windows, as well as security and sound insulation solutions.

Interior Construction
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Vurlod Fils Sàrl Logo

Vurlod Fils Sàrl 

Le Locle · Since 2011

The core activity of Vurlod Fils SARL is the provision of services in the field of landscaping and garden maintenance. This includes in particular: landscape creation, green space maintenance, winter services (including snow removal and salting), and 3D design (three-dimensional planning and visualization of landscape projects). The company thus offers a comprehensive range of services to support customers in the design, maintenance and upkeep of their outdoor facilities.

Horticulture & Landscaping
View profile4.9(8)
WADES AG Logo

WADES AG 

Oberbüren · Since 1979

The core activity of WADES AG is the renovation and protection of surfaces, particularly glass, metal, wood, plastic and stone. This includes specialized services such as: glass renovation (repair of glass damage such as scratches), glass replacement (replacement of damaged glass), glass protection (protection of glass against damage), surface renovation (repair of damage to various surfaces), and insect and sun protection (additional protective measures for glass and other surfaces). The company primarily offers these services to the construction industry and focuses on the renovation and protection of surfaces in their installed state.

Specialized Construction Activities
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Waldis GmbH Logo

Waldis GmbH 

Weggis · Since 1999

The core activity of Waldis company includes services and products in the field of forest and garden maintenance, including transport services and the sale of firewood.

Horticulture & Landscaping
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WE Partner Architekten GmbH Logo

WE Partner Architekten GmbH 

Ennetbaden · Since 2010

Walter Egli and Partner GmbH is an architecture and construction company specializing in the planning, execution, and management of construction projects. The core activities include: Architecture and planning of buildings and facilities, Construction management and project management, Execution of construction projects, Property management, including purchase, sale, and rental, Creation of visualizations and 3D video animations, Conducting site surveys and documentation, Creation of cost estimates, construction consulting, and expert opinions. The company thus offers a comprehensive range of services throughout the entire construction project cycle.

Architecture Firms
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Waser Zimmerei AG Logo

Waser Zimmerei AG 

Wädenswil · Since 2011

The core activity of Waser Zimmerei AG is the execution of timber construction services, including renovation, element construction, interior finishing, renovations and the enhancement of building envelopes. The company offers professional, customer-oriented and innovative timber construction services and realizes construction projects in timber construction according to the wishes and needs of its customers.

Building MaintenanceInterior ConstructionTimber Construction & Carpentry
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Weiss Bauservice GmbH Logo

Weiss Bauservice GmbH 

Hottwil · Since 2020

The core activity of Weiss Bauservice GmbH includes garden and civil engineering works, comprising: Garden construction: walls, lawn seeding and maintenance, stone gardens, paving, forecourts and seating areas, pool and pond excavations. Arboriculture: professional tree felling and disposal of branch material and root stock. Garden maintenance: care of trees, hedges, plants and lawns, chipping service. Excavation work: pool excavations, grave digging, backfilling, general civil engineering works. Mini-dumpster service: delivery of dumpsters for the disposal of materials such as horse manure, waste and green waste. Core drilling: precise drilling for garden construction and installations.

Horticulture & Landscaping
View profile5(8)
Weiss und Stüssi Holzbau GmbH Logo

Weiss und Stüssi Holzbau GmbH 

Stetten Sh · Since 2016

The core activity of Weiss & Stüssi Holzbau GmbH is timber construction, particularly the planning and execution of conversions and new buildings in the field of timber construction, including personal consulting and realistic planning to implement customers' living dreams.

Timber Construction & Carpentry
View profile4.8(8)
WENGER KNECHT AG Rückbau und Aushub Logo

WENGER KNECHT AG Rückbau und Aushub 

Münchenstein · Since 2008

WENGER KNECHT AG Rückbau und Aushub carries out excavation, deconstruction and demolition works and provides construction pit support and contaminated-site remediation. As a subsidiary of KNECHT Bauunternehmung AG, it performs site investigations, foundation excavations and coordinated material handling and disposal services.

Civil Engineering
View profile3.9(8)
Wettstein Bau AG Logo

Wettstein Bau AG 

Fislisbach · Since 1980

Wettstein Bau AG is a construction company providing structural and civil engineering services, including new builds, renovations, earthworks and utility/line works for residential, commercial and public projects.

Site Preparation
View profile5(8)
Wettstein Meuter AG Logo

Wettstein Meuter AG 

Fislisbach · Since 2012

Wettstein Meuter AG is a construction company offering new-build, renovation and civil-engineering services. Its services include masonry and plastering, earthworks, utility-line construction, waterproofing, core drilling and related construction works.

General Contractors
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Widmer Construction Sàrl Logo

Widmer Construction Sàrl 

Eschert · Since 2017

Widmer Construction Sàrl is a construction company providing carpentry, joinery, roofing and sheet‑metal services. Its activities include timber constructions and prefabricated elements, interior joinery (windows, doors, kitchens, bespoke furniture), façade cladding, roof work and renovation projects.

Building Maintenance
View profile4.8(8)
Widmer's Gartenleben GmbH Logo

Widmer's Gartenleben GmbH 

Häusernmoos Im Emmental · Since 2022

Widmer's Gartenleben GmbH provides landscape and garden construction and maintenance services, including new installations and redesigns, plantings, greening, pruning and garden planning. The company also operates a nursery offering seasonal plants, vegetable cultivation and floral arrangements.

Horticulture & Landscaping
View profile5(8)
Widmer's Gartenleben Logo

Widmer's Gartenleben 

Häusernmoos Im Emmental · Since 2012

Widmer's Gartenleben is a gardening and landscaping business that performs new garden installations, redesigns, plantings and greening works. Services include garden planning, maintenance and pruning, construction of patios, walls and rock gardens, and soil preparation including the installation of topsoil.

Horticulture & Landscaping
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Wiedmer Holzbau AG Logo

Wiedmer Holzbau AG 

Oey · Since 1999

The core activity of Wiedmer Holzbau AG is timber construction, particularly the planning and execution of construction projects using wood, including single-family homes, multi-family homes, building extensions, garden houses, carports, commercial buildings, roof and energy renovations, scaffolding and sheet metal work, as well as interior fittings.

Timber Construction & Carpentry
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Willi Gartenbau GmbH Logo

Willi Gartenbau GmbH 

Altstätten Sg · Since 2012

Willi Gartenbau GmbH provides landscaping and garden services, including garden design, plantings, natural stone work, path and forecourt construction, excavation and maintenance.

Horticulture & Landscaping
View profile4.5(8)
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.