Construction & Architecture

IKAPP AG 

Wittenwil · Since 2016

IKAPP AG offers carpentry and interior fit-out services, including assembly/installation work, partition walls and ceiling construction.

ilg santer gmbh 

Zurich · Since 2007

ilg santer gmbh is an architectural practice that designs and realizes building projects with public visibility, including bridges, theaters, laboratory and university buildings, and exhibition halls.

Ilg Santer Architekten GmbH 

Zurich · Since 2018

Ilg Santer Architekten GmbH is an architectural firm that designs and delivers building projects, including bridges, urban studies, and large research and public buildings. Its portfolio includes research centres, exhibition halls and university buildings.

Imeri-Service GmbH 

Zermatt · Since 2020

The core activity of Imeri Service GmbH encompasses a wide range of services in the field of building maintenance and renovation. These include: cleaning services (holiday apartment cleaning, maintenance cleaning, moving cleaning, construction cleaning, special cleaning); renovation and renovation work (demolition work, wall and floor coverings, painting work, dry construction, kitchens, doors and windows); and caretaking and maintenance (garden maintenance, winter services, clearing). The company thus offers a comprehensive range of services aimed at supporting the maintenance and renovation of buildings and properties.

IMMOPRO AG 

Zurich · Since 1998

The company IMMOPRO AG offers services in the field of real estate and construction consulting. The core activity includes planning, creation and consulting of buildings, including risk analysis and development of solutions for the building owner. The company also publishes publications and technical articles on topics such as architecture, construction technology and real estate economics.

ING Architektur Erb 

Pfeffingen · Since 2009

The core activity of ING Architektur Erb is carpentry, particularly interior finishing, including the manufacture of built-in cupboards, kitchens, furniture, wooden floors and other wood products, as well as the execution of renovation and restoration work.

Ingenieurbüro Gujer AG 

Rümlang · Since 1998

The core activity of Gujer AG includes engineering services and services in the field of construction and infrastructure, particularly: * Civil engineering and infrastructure (deep and road construction, sewer and pipeline construction, hydraulic engineering, concrete renovation) * Wastewater treatment and purification * Drinking water supply (drinking water intake plants, reservoir construction, general planning) * Asset management and financial and investment planning * Construction and legal services (building police, QS, fire protection, private control, BUS, neighborhood and design planning) * Surveying and geoinformation * Settlement drainage and general drainage planning. The company thus offers comprehensive services for the planning, implementation and maintenance of infrastructure projects, particularly in the field of water and wastewater.

Ingenieurbüro Zumofen & Glenz AG 

Steg Vs · Since 1989

The core activity of Zumofen & Glenz AG is the provision of engineering services in the field of civil engineering, including road construction, bridge construction, infrastructure works, reinforced concrete construction, statics, pipeline construction and project surveying, as well as the creation of digital terrain models using drones.

ingenta ag 

Bern · Since 1988

ingenta ag is an engineering and planning firm providing structural engineering and design services for building construction, civil/infrastructure projects and constructive engineering. Its services also include project management, BIM applications and seismic safety assessments and expert reports.

IngPhi SA 

Lausanne · Since 2004

IngPhi SA is a civil engineering office specialised in the structural design of bridges, buildings and infrastructure. The office also conducts research and development (including numerical simulations, BIM workflows and fibre‑reinforced concrete topics) and operates in multidisciplinary teams with architects, geotechnical engineers and façade specialists.

InnoPlan Grogg GmbH 

Spiez · Since 2007

The core activity of InnoPlan Grogg GmbH is the provision of architectural and solar planning services, including renovations, new constructions and solar installations. The company also offers additional services such as garden planning, construction management and maintenance.

Innowat Montagen GmbH 

Neuenhof · Since 2006

The core activity of Innowat Montagen GmbH is the planning, installation and realization of shower partitions and hygiene protection walls, particularly in sanitary installations. The company offers a wide range of design options and supports customers in implementing their individual projects.

Integrale Generalplaner AG 

Zurich · Since 2014

IPSA Isolations SA 

Ecublens Vd · Since 1993

The core activity of IPSA Isolations SA consists of carrying out insulation work for technical installations, including: thermal insulation, sound insulation, fire insulation and anti-condensation insulation. The company offers these services for various types of technical installations to reduce energy losses, minimize noise pollution and prevent fire damage.

Isoflex AG 

Zurich · Since 1977

The core activity of Isoflex AG is the execution of joint sealing and fire protection measures in the construction industry. This includes, in particular, the sealing of joints and the installation of fire protection systems in buildings, such as hotels, hospitals, high-rise buildings and industrial areas.

Isoltesa SA 

Satigny · Since 1974

The core activity of Isoltesa SA is the execution of insulation work, in particular: insulation of pipelines (hot and cold) with aluminum or PVC cladding, fire protection for technical installations, soundproofing and acoustic insulation, and installation of suspended ceilings made of mineral or metal fiber plates. The company has been offering these services since 1974 and is headquartered in Satigny, Switzerland.

Jaeger Koechlin GmbH 

Basel · Since 2013

The core activity of Jaeger Koechlin is the planning and realization of architectural projects, particularly in the field of residential construction, kindergartens and other buildings. The company offers services such as feasibility studies, project competitions, construction projects and renovations, and operates in Switzerland.

Jäger Charpié Architekten GmbH 

Lucerne · Since 2020

The core activity of Jäger Charpié is architecture, particularly the planning and realization of construction projects such as schools, dormitories, residential houses, parsonages and other buildings.

Jardin Dominé GmbH 

Beromünster · Since 2023

The core activity of Jardin Dominé GmbH is the planning, design and maintenance of garden facilities, including new installations, redesigns, masonry work, maintenance and holiday services.

Jardins de la Venoge Sàrl 

Penthalaz · Since 1999

The core activity of the company "Jardins de la Venoge" consists of designing, maintaining and caring for outdoor spaces, including: garden design (créations de jardins), pools and water features (piscines, espaces aquatiques), outdoor and land development (aménagements de toutes surfaces et terrains), and lawn and plant care (entretiens de votre gazon, plate-bandes, massifs et arbres d'ornements ou fruitiers). The company thus offers services in the field of landscaping and garden maintenance.

JBC ARCHITECTES Sàrl 

Sierre · Since 2018

JBC-Architectes is an architectural firm specializing in the planning and implementation of construction projects. The company's core activity includes the creation of architectural projects, renovations and refurbishments of residential houses, chalets, restaurants and other buildings, as well as participation in architectural competitions.

Jean Bollini et Cie S.A. 

La Sarraz · Since 1995

Jean Bollini et Cie S.A. is a construction company active in civil engineering and public works as well as building construction and renovation. The firm carries out earthworks, construction of utility networks, road and asphalt works, and undertakes construction and renovation projects for residential, agricultural and industrial buildings.

Jean Bollini et Cie S.A. 

Baulmes · Since 1931

Jean Bollini et Cie S.A. is a construction firm carrying out civil engineering and public works, building, and renovation projects. Its services include construction of houses and apartments, agricultural buildings, infrastructure works and asphalt paving.

Jean-Louis Muriset & Fils SA 

Charmey (Gruyère) · Since 2019

The core activity of Jean-Louis Muriset et Fils SA is the planning, implementation and maintenance of outdoor spaces and gardens, including the Aménagement d'espaces verts (design of green spaces). The company offers services as landscape gardeners (Paysagistes) and is active in the Charmey region (Gruyère) in the canton of Fribourg.

JeDo Charpente Sàrl 

Aire-La-Ville · Since 2012

The core activity of JeDo Charpente is the provision of services in the field of timber construction, particularly in the planning, construction and maintenance of roofs, roof trusses, terraces and other timber structures, including the creation of plans, the execution of renovation and new construction work, as well as the installation of storage facilities for vehicles and bicycles.

JMF PLAFONDS Sàrl 

Fribourg · Since 2018

JMF PLAFONDS Sàrl manufactures and installs ceiling claddings and interior ceiling systems using metal, aluminium and wood. Services include suspended ceiling installation, ceiling maintenance and solutions that contribute to acoustic and thermal insulation.

Joos & Mathys Architekten AG 

Zurich · Since 2015

The core activity of Joos & Mathys Architekten is the provision of architectural services.

Jörimann Immobilien GmbH 

Chur · Since 2010

The core activity of Jörimann Immobilien GmbH is the management of condominium ownership, rental properties, caretaking, trading and renovations in the field of real estate economics.

Josef Berwert AG, Bauunternehmung 

Wilen (Sarnen) · Since 2012

Josef Berwert AG, Bauunternehmung is a family-run construction company performing building and civil engineering work, including new residential, commercial and agricultural buildings, renovations, extensions and demolition. Services also include transport, crane work and customer-specific construction tasks.

Josef Fischer AG Bauunternehmung 

Grosswangen · Since 2005

Josef Fischer AG Bauunternehmung is a construction company providing building (Hochbau) and civil engineering (Tiefbau) services. Its activities include new construction and renovations, agricultural and commercial buildings, facade and site works, as well as sewer and utility construction, earthworks and retaining walls.

Josef Küttel AG 

Weggis · Since 2012

Josef Küttel AG carries out civil engineering and paving works and provides recycling, waste-disposal services and production of concrete element stones.

JPF Entreprise Générale SA 

Bulle · Since 2017

JPF Entreprise Générale SA is a construction company acting as a general contractor, delivering turnkey buildings and developing projects. Its services include feasibility studies, preliminary designs, permit submissions and execution plans; references include schools, administrative, industrial and residential buildings, and synergies with other group companies enable coordinated solutions.

Jupa Gartenpflege AG 

Ostermundigen · Since 2012

k2p Architekten GmbH 

Biel/Bienne · Since 2004

The core activity of k 2 p architekten GmbH is the planning, development and realization of new buildings, conversions and renovations of buildings of various uses, including architectural and engineering services.

Kadid Studio GmbH 

Basel · Since 2022

Kadid Studio GmbH is a multidisciplinary design practice working in architecture, product design, photography and edition.

Kaiser Hoch- und Tiefbau AG 

Schöftland · Since 1953

The core activity of Kaiser Hoch- und Tiefbau AG is construction, particularly building construction and civil engineering, as well as the management and rental of real estate.

Kalbermatter AG 

Wassen Ur · Since 1994

The core activity of Kalbermatter AG is the construction and maintenance of infrastructure projects, particularly in the field of civil engineering and construction, including: earthworks and hydraulic engineering, demolition and dismantling, deep and road construction, infrastructure construction, and special deep foundation work such as avalanche control and rockfall protection. The company also offers services in the areas of excavation, development, paving and repair work.

Kälin HolzTechnik AG 

Trachslau · Since 2021

Kälin HolzTechnik AG provides timber construction, project planning and joinery services, manufacturing timber element buildings and interior fittings. Additional services include CNC contract cutting, engineering, equipment rental and custom furniture production.

Kaminfeger Näf GmbH 

Donzhausen · Since 2022

The company's core activity is providing services in the field of chimney sweeping, combustion control, fire protection and maintenance work for heating systems, particularly for wood-fired and gas installations.

Kamm Architekten AG 

Zug · Since 2000

Kamm Architekten AG is an architectural practice providing comprehensive design and planning services for buildings and infrastructure projects. The practice applies system separation and life‑cycle considerations, develops flexible typologies and carries out construction management as well as general planner assignments.

Kämpfen Zinke + Partner AG 

Zurich · Since 2010

Kämpfen Zinke + Partner AG is an architectural firm specializing in the planning and realization of buildings, particularly in the areas of timber construction, energy efficiency, and sustainability. The company's core activity encompasses the provision of architectural services, from feasibility studies to turnkey handovers, as well as the development of holistic concepts for energetically autonomous, aesthetically refined, and individually designed buildings.

Karakas et Français SA 

Petit-Lancy 1 · Since 2003

Karakas et Français SA is an engineering firm for soil and geotechnical works providing site investigation, design and consulting services. It operates in geotechnics, geostructures, geology, environmental studies and testing/measurements, offering services such as geothermal studies, hydrogeology, numerical modelling, building pollutant assessments, contaminated-site work and environmental monitoring during construction.

Keller Gartenbau, Inh. Martin Luginbühl 

Uster · Since 1991

The core activity of Keller Gartenbau is the planning, construction and maintenance of gardens and facilities for both private and public clients. This includes the development of implementable plans, the design and construction of gardens and facilities, as well as their long-term care and maintenance.

KFB Pfister AG Ingenieure und Planer 

Olten · Since 1999

KFB Pfister AG is an engineering firm specializing in the planning and realization of construction projects. The core activities include: Spatial planning: development of concepts and plans for the use of space and area. Civil engineering: planning and realization of infrastructure projects such as roads, bridges, tunnels, and other underground structures. Structural planning: development of load-bearing structures in various materials such as reinforced concrete, steel, wood, and natural stone. Project management: taking over the overall management and coordination of construction projects to ensure that they are completed on time, within budget, and with the required quality. The company thus offers comprehensive services for the planning, realization, and monitoring of construction projects.

Kiefer Projekt AG 

Therwil · Since 2009

The core activity of Kiefer Projekt AG is the planning, execution and consulting of construction projects, particularly in the field of timber construction and timber architecture. The company offers services such as new construction, renovation, building appraisal and construction management, and has specialized in the development and realization of sustainable and forward-looking houses, such as the KIMANI house.

Kilchmann Eglisau GmbH 

Eglisau · Since 2000

The core activity of Kilchmann Eglisau GmbH is the execution of gravel transports, excavation transports and earthworks, particularly in the greater Zurich area and German-speaking Switzerland. The company thus provides logistical services for construction companies, architecture, gravel plants and private customers.

Knecht GmbH Handwerkerkollektiv 

Kemptthal · Since 2003

The core activity of Knecht GmbH is interior design and construction of living spaces, including the manufacture of custom-made furniture, kitchens and bathrooms, as well as construction management and collaboration with partners such as Hüsler Nest to create feel-good oases in one's own four walls.

Knuchel Dämmtechnik AG 

Emmenbrücke · Since 1989

The core activity of Knuchel Dämmtechnik AG is the execution of insulation work in industrial and building technology, particularly in the areas of thermal insulation, cold insulation, cold rooms, fire protection and sound insulation.

KOBO Architecture et Engineering Sàrl 

Carouge Ge · Since 2015

KOBO Architecture et Engineering Sàrl is an architecture and engineering firm that designs and delivers residential, commercial and institutional projects. The firm provides architectural and engineering services grounded in technical expertise and practical, durable solutions.

KOCEV T. Paysagiste Sàrl 

Givisiez · Since 2005

The core activity of KOCEV T. Paysagiste Sàrl is the planning, design, implementation and maintenance of outdoor facilities, particularly gardens, terraces, parks and sports facilities. This includes, among other things: The planning and implementation of gardens, terraces and other outdoor facilities, the creation of ponds and biotopes, the planting of trees, shrubs and flowers, the construction of wooden and natural stone terraces, the installation of irrigation systems, the maintenance of lawns, trees and shrubs, the creation of pavements and floor coverings made of concrete or natural stone, and the installation of fences, gates and palisades. The company thus offers a comprehensive range of services in the field of landscape design and maintenance.