Construction & Architecture

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.