Construction & Architecture

Wyss + Santos Dipl. Architekten M. Arch / HTL GmbH 

Basel · Since 2004

Wyss + Santos is an architectural firm specializing in the planning and realization of various construction projects, including hotels, schools, office spaces, private apartments, and interior design. The company's core activity encompasses architectural consulting, planning, and implementation of construction projects, with the two owners, Marilí Santos-Munné and Lorenz Wyss, offering innovative and independent solutions together with their team.

Xaver Keiser Holzbau AG 

Zug · Since 1967

Xaver Keiser Zimmerei Zug AG 

Zug · Since 1996

Xaver Keiser Zimmerei Zug AG is a carpentry and timber-construction company that executes traditional timber construction, engineered-timber and prefabricated element projects. Its services include interior fit-out, parquet and stair construction, facades and insulation, renovations, and general-contracting for new builds and extensions.

Y-A Echafaudages Sàrl 

Cheyres · Since 2022

The core activity of Y-A Echafaudages is the assembly of scaffolding for the installation of photovoltaic systems.

Y. Girardet Wohnbox 

Kloten · Since 1992

The core activity of Wohnbox Designmöbel is the design and sale of design furniture for living spaces, with the company also offering services such as spatial design and exhibitions.

Zanolari AG, Möbelschreinerei und Innenarchitektur 

Bättwil · Since 1975

The core activity of Zanolari AG encompasses the planning, development and realization of comprehensive interior design solutions, including cabinetmaking, interior architecture, mass production, renovation and new construction, as well as the manufacture and sale of furniture, doors, flooring and other interior design products.

zehnder immo ag 

Bargen Sh · Since 2012

zehnder immo ag is a real estate development and services company that acts as a general contractor to plan and build projects and that offers property sales and rentals. The firm also provides property valuation and brokerage services.

Zehnder Spezialbau AG 

Einsiedeln · Since 2013

The core activity of Zehnder Spezialbau AG is the execution of specialized deep foundation work, particularly in the area of drilling and ramming for the installation of pipelines and other underground infrastructure. This includes, among other things: * Ramming: The installation of pipelines by ramming steel pipes into the ground. * Auger boring: The installation of pipelines by drilling and pressing pipes into the ground. * Long-hole drilling in rock: The execution of drilling for the installation of pipelines in rocky ground. * Guided boring: The installation of pipelines by pressing pipes into the ground using guided boring methods. * Soil displacement with earth rockets: The installation of pipelines by displacing the soil with an earth rocket. * Core drilling: The execution of drilling for the installation of pipelines in various soil types. * Pipe ramming: The installation of steel pipes by ramming them into the ground. The company carries out these works for various clients, including energy network and water supply companies.

Zellgut AG 

Schenkon · Since 2012

Zellgut AG is a construction company offering structural building, renovation, agricultural buildings and exterior/site works. Services include project consultation, planning support and on-site execution for building projects.

ZEMENTOL Schweiz AG 

Widnau · Since 2010

The core activity of ZEMENTOL Schweiz AG is the planning, monitoring and execution of sealing solutions for concrete structures, particularly in the area of flat roofs and white tubs. This includes the creation of sealing concepts, the planning of penetration solutions, the development of crack-resistant reinforcement and the monitoring of the concrete recipe, concrete installation and after-treatment. The company also offers the delivery and installation of sealing materials and joint tapes, and assumes liability for the usability of the sealing solutions for a period of 10 years.

Zettelwerk AG 

Winterthur · Since 2013

The core activity of Zettelwerk AG is construction management, particularly the planning, consulting and implementation of complex construction projects in the areas of high-rise buildings, retail, temporary and office buildings. This also includes specific services such as architecture, energy consulting, fire protection planning, monument preservation and protection, as well as visualizations and project visualization.

Zeugin Bauleitung GmbH 

Ammerswil Ag · Since 2012

The core activity of Zeugin-Bauleitung is construction management and project control in the field of high-rise construction, particularly in the construction of new buildings and renovations of residential buildings, such as multi-family houses (MFH) and single-family houses (EFH), as well as the construction of commercial properties like garages.

Zgraggen AG 

Göschenen · Since 2011

Zgraggen AG is a joinery that designs, manufactures and installs custom woodwork such as kitchens, furniture, doors, ceiling and wall claddings, and flooring. The company delivers interior fit‑out, glazing and locking‑system solutions, carrying out most production in‑house and using regional solid wood and sustainable materials.

ZID Architecture Sàrl 

Chambésy · Since 2013

ZID Architecture Sàrl is an architectural firm providing comprehensive architect services according to SIA 102 from preliminary design through project completion. Services include feasibility studies, client assistance and construction management, with project work in transformation, renovation, new construction, urban planning, energy remediation, heritage preservation, pollutant remediation and fire‑safety compliance.

Zimbas, Zimmerleute Basel GmbH 

Basel · Since 2006

The core activity of Zimbas is sustainable timber construction in existing and new buildings, including services such as renovations, roofing, new and extension constructions, monument preservation, terrace construction, floor and staircase construction, as well as carpentry work.

Zimmerei Chaletbau Schletti AG 

Zweisimmen · Since 2007

Zimmerei Chaletbau Schletti AG is a timber construction company that designs and builds chalets, engineered-wood and prefabricated element structures as well as agricultural buildings. Services include renovations and conversions, interior fittings in new and reclaimed wood, production and assembly of prefabricated timber elements, and work carried out to Minergie standards.

Zimmerei Schreinerei Martin Donauer GmbH 

Welschenrohr · Since 2019

Zimmerei Schreinerei Martin Donauer GmbH is a carpentry and joinery firm providing woodworking services. Its offerings include kitchen construction, window supply and installation, facade and element construction, stair building, flooring (parquet and laminate) and furniture production and repairs.

Zoka Roll di Zoran Brnic 

Losone · Since 2006

Zoka Roll di Zoran Brnic is a company that supplies and installs roller shutters, awnings, pergolas, insect screens and window/frame systems. The firm also provides repair, adjustment and maintenance services and cooperates mainly with Swiss suppliers.

ZÖLLIG GARTENBAU GmbH 

Neukirch (Egnach) · Since 2005

ZÖLLIG GARTENBAU GmbH provides garden planning and consulting and carries out new garden installations, garden conversions, natural stone work and garden and tree maintenance services.

Zosso-Fugen GmbH 

Wünnewil · Since 2019

Zosso-Fugen GmbH provides waterproofing, coating, joint and tile installation services and offers consultancy on building waterproofing and water damage. Services include silicone and expansion joint replacement, seamless floor and wall systems (e.g., AI DO, NaturoFloor, Wall2Floor) and liquid-plastic and resin coatings.