Construction & Architecture

Schwyzer Bau GmbH 

Hofstetten So · Since 2010

Schwyzer Bau GmbH is a construction firm carrying out building and civil engineering works as well as renovations and extensions. Its services include core drilling, trenchless pipe installation, concrete repair, masonry and paving works, and assistance with permits and planning.

Scrinaria Camathias SA 

Laax Gr · Since 2015

The core activity of Scrinaria Camathias is carpentry, particularly the manufacture and processing of wood products, such as furniture, interior fittings, repairs and custom-made products. The company also offers services such as consulting, planning and execution of wood constructions and projects.

Scrinaria Flepp SA 

Disentis/Mustér · Since 1995

The core activity of Scrinaria Flepp SA is the planning, production and installation of carpentry work, interior fittings and furniture, particularly made from solid wood, with a focus on regional and environmentally friendly materials. This also includes the manufacture of kitchens, doors, cladding and other wood products, as well as the execution of renovation and refurbishment work.

Seeholzer Gartenpflege 

Künten · Since 2013

The core activity of Seeholzer Gartenpflege is professional garden maintenance and care, including services such as lawn mowing, weeding, maintenance of pool facilities, wild hedges, stairs and fences.

SELVA INTERIOR SA 

Lugano · Since 2004

The core activity of Gruppo Selva is the manufacture and distribution of custom-made furniture and interior fittings, including doors, windows and other woodwork. The company also offers services such as interior design, design and project management.

Semi Group AG 

Sirnach · Since 2018

The core activity of Semi Group AG is the provision of services in the field of building, renovation and maintenance of buildings, including painting, plastering, thermal insulation, fire protection and cleaning work, as well as the brokerage of purchase and rental properties.

Sepp Fuchs 

Kaltbrunn · Since 1990

Sepp Fuchs offers construction services including building construction, civil engineering, demolition and scaffolding.

Sepp Fuchs GmbH 

Unteriberg · Since 2007

The core activity of Sepp Fuchs GmbH is the provision of construction services in various areas, particularly: * Building construction * Civil engineering * Demolition * Scaffolding construction The company thus offers comprehensive services in the field of construction and has established itself on the regional market.

Sertronas AG 

Pfäffikon Sz · Since 2025

Sertronas AG provides 3D building surveying and virtual tours for architects, real estate developers, craftsmen, hotels and industrial sites. Services include 3D laser scanning, point clouds, 2D/3D floor plans, terrain surveys and 360° photo tours with digital data delivery in common formats.

Service Kreis GmbH 

Ermatingen · Since 2023

The core activity of Service-Kreis encompasses various services in the areas of property management, gardening, and forestry work. Specifically, the company offers the following services: Property management: janitorial services, technical maintenance, and repairs; Gardening: lawn mowing, general gardening, garden redesign, pruning, and seasonal planting; Forestry work: forestry work and green waste transportation/disposal; Metal construction; Transportation and disposal; Winter services (snow removal and ice prevention). Thus, the company offers a wide range of services focused on the maintenance and upkeep of properties, gardens, and forests.

Sevim Architektur GmbH 

Basel · Since 2021

The core activity of Sevim Architektur GmbH is the planning and realization of architectural projects, particularly in the field of high-rise construction, such as new buildings of multi-family houses, single-family houses and renovations of existing buildings. The company also offers services such as construction management and high-rise drawing.

SF Baupro AG 

Rothenburg · Since 2013

SF Baupro AG provides planning and construction management for new-build and existing properties. The firm offers services including site management, cost planning, tendering/devising, project development, construction economics and client representation.

siebzehn13 Architekten AG 

Altdorf Ur · Since 2016

The core activity of the company seventeen13 (1713) architects ag is the planning and realization of high-rise buildings in all aspects of modern architecture, including design, coordination and execution.

Siegenthaler Tankrevisionen AG 

Menziken · Since 1965

The core activity of Siegenthaler Tankrevisionen AG is the execution of revisions, renovations and new installations of various types of tanks, including heating oil, diesel, gasoline, solvent, chemical, water tanks and compressed air vessels. This also includes specific services such as tank dismantling, tank room sealing, tank room coating and tank cleaning.

Siegfried Industriemontagen AG 

Busswil Tg · Since 2009

Siegfried Industriemontagen AG provides industrial assembly services, including design and fabrication of welded steel and stainless-steel structures and piping construction for the food industry, chemical industry and wastewater treatment plants. The company’s services also include on-site mechanical repairs, repair welding, and project planning with construction drawings.

SigmaTech AG 

Inwil · Since 2019

SigmaTech AG is a company active in infrastructure and plant construction. It provides engineering, apparatus fabrication and installation services for water and wastewater systems, road and rail infrastructure, piping and reservoir works.

Sigrist Walter, Fräs + Montage, Kabelanlagen AG 

Sarnen · Since 2011

Sigrist Walter, Fräs + Montage, Kabelanlagen AG provides concrete drilling and milling and induction loop milling. It also performs assemblies and installs cable systems, traffic signal systems and fiber-optic (LWL) technology.

SikaBau AG 

Schlieren · Since 2000

SikaBau AG is a specialist company for waterproofing, structural protection and building repair. It performs waterproofing works (liquid-applied membranes, sheet membranes, white/yellow tank systems), concrete repair, corrosion protection, floor and wall coatings, injection works, tunnel and bridge waterproofing, reservoir and pool waterproofing, and provides engineering and project consulting.

SikaBau AG 

Chur · Since 2000

SikaBau AG is a specialist firm for waterproofing, structural protection and building repair. The company carries out specialist works in building and civil engineering, offering services such as liquid-applied and membrane waterproofing (including ‘white’/‘yellow’ tank systems), concrete repair, corrosion protection, floor and wall coatings, injections and structural strengthening including tunnel waterproofing.

SikaBau AG 

Lenzburg · Since 2000

SikaBau AG is a specialist company for waterproofing, building protection and structural repair. It performs specialist works in building and civil engineering and provides services such as liquid-applied and membrane waterproofing, concrete repair and protection, injections, corrosion protection, resin and car-park coatings, joint sealing, tunnel/bridge and reservoir waterproofing, and engineering for reinforcement and sealing systems.