Construction & Architecture

Schreinerei Siegfried AG 

Grosshöchstetten · Since 1987

The core activity of Schreinerei Siegfried AG is the manufacture and distribution of wood products for interior finishing, particularly doors, windows, furniture, cabinets and wall cladding.

Schreinerei Vonhuben AG 

Rupperswil · Since 2008

The core activity of Schreinerei Vonhuben AG is the manufacture and sale of custom-made furniture and interior fittings, particularly kitchens, bathroom furniture, cabinets, doors and other wood products. The company also provides interior fitting services for businesses and private individuals.

Wälchli Concept GmbH 

Grünen · Since 2013

The core activity of Schreinerei Wälchli GmbH is the manufacture and delivery of high-quality individual doors, including interior doors, exterior doors, fire-resistant doors, soundproof doors and gates, as well as the associated services such as consulting, planning, installation and maintenance.

Schutztechnik GmbH 

Kriens · Since 2023

The core activity of Schutztechnik GmbH is the maintenance, renewal and upkeep of protection rooms and civil defense facilities in Central Switzerland. The company offers individual solutions for owners, municipalities and cantons to make protection rooms a safe place and ensure the safety of people and property.

Schwarz Holzbau AG 

Oberbalm · Since 2022

Schwarz Holzbau AG is a timber construction company offering carpentry, joinery, interior finishing and roofing services, as well as consulting, planning and structural/building-physics support. The company carries out new construction, conversions and renovations, including energy-efficiency measures, for residential, office, commercial, industrial and agricultural buildings, as well as listed structures.

SchwarzwaldElemente Schweiz AG 

Pratteln · Since 2019

The core activity of SchwarzwaldElemente Schweiz AG is the manufacture, distribution and installation of doors, door frames, hardware, folding walls and other interior design elements for residential and public construction. The company offers a wide range of products, including wooden, steel and aluminum doors, fire-resistant and soundproof doors, folding walls and mobile partition walls. It supports architects, planners, merchants and carpenters in the planning, execution and installation of construction projects, providing competent advice, high-quality products and fair prices.

Schweyer + Marti AG 

Wichtrach · Since 1997

The core activity of Schweyer + Marti AG is architecture.

Schwitter & Wieland, Schreinerei-Zimmerei AG 

Churwalden · Since 1994

The core activity of Schwitter & Wieland is the manufacture and installation of wood products and constructions for the construction and interior design sector, particularly: Carpentry: production of furniture, doors, windows, stairs and other wood products; Joinery: production and installation of wood constructions such as roof constructions, facades, interior fittings and prefabricated houses; Renovation and refurbishment: carrying out renovation and refurbishment work on existing buildings, including the renewal of facades, roof constructions and interior fittings; Prefabricated construction: production and installation of prefabricated wood elements such as walls, roofs and floors for the construction of houses and other buildings.

SE-Bau GmbH 

Horgen · Since 2023

The core activity of SE-Bau GmbH is the provision of services in the field of construction management and owner consulting. This includes the planning, implementation and supervision of construction projects, including new buildings, conversions, renovations and refurbishments. The company also offers real estate and land brokerage services and supports customers in the execution of real estate transactions, the financing of real estate projects and communication with notaries and authorities.

Seger Ingenieure AG 

Bütschwil · Since 1999

The core activity of Seger Ingenieure GmbH is the provision of engineering services in the fields of civil and structural engineering, including building construction, special foundation engineering, infrastructure and owner's consulting.

Seibold Gartenbau 

Neerach · Since 2016

The core activity of Seibold Gartenbau is the planning, design and maintenance of gardens, landscapes and outdoor facilities, including the creation of wooden terraces, natural stone walls, pond designs and tree felling work. The company offers comprehensive services for the design and maintenance of outdoor spaces, from consulting to implementation.

Sel & Poivre Agencement de Cuisines et d'Intérieurs Sàrl 

Sion · Since 2021

Selve Bau GmbH 

Thun · Since 2011

Selve Bau GmbH provides construction and planning services, including renovations, conversions, new builds, surveying, and kitchen design and installation. The website presents the company as part of Selve Group AG, which also offers services in energy (heat pump systems), maintenance, and property management.

Sennwald SA 

Lussy-Sur-Morges · Since 1986

Sennwald SA is an architecture and design firm providing architectural planning, interior design, exterior landscaping, renovation and project management services.

Sennwald Architectes SA 

Lussy-Sur-Morges · Since 2017

Sennwald Architectes SA is an architectural practice offering architecture, interior design, renovation, exterior landscaping and project management services. The firm develops concepts focused on space and light, cost control and precise finishing of built projects.

SERA - Studio Esch Rickenbacher Architektur AG 

Zurich · Since 2024

The core activity of SERA – Studio Esch Rickenbacher Architektur AG is the planning and realization of architectural projects, particularly in the area of residential and commercial buildings, settlements, high-rise buildings, and other construction projects. The company offers services such as feasibility studies, tenders, executions, and project management, and is also active in teaching and research.

Simão & Deillon Sàrl 

Le Mont-Sur-Lausanne · Since 2020

The core activity of Simão & Deillon Sàrl is the provision of services in the field of Civil Engineering and exterior masonry, including: all Civil Engineering works, exterior masonry, excavation and demolition, and 24/7 emergency interventions. The company offers its services to both private and public clients and is based in Lausanne, Switzerland.

Sironi & Associés SA 

Porrentruy · Since 1978

SIRONI & ASSOCIÉS SA is an architectural firm specializing in the planning, design, and realization of construction projects. Their core activities include: * Architecture: Design and planning of buildings, apartments, office buildings, and other construction projects * Expertise: Technical and financial assessment of real estate, including damage diagnosis and valuation * Planning: Coordination and supervision of construction projects, including compliance with building regulations and standards * Consulting: Support for clients in planning and realizing construction projects, including material selection and coordination of specialists * Diagnostics: Investigation of real estate for damage and defects, including diagnosis of environmental damage and energy efficiency assessment The company also offers additional services, such as conducting workshops and creating videos to inform clients and interested parties about their activities and projects.

SKW AG 

Bubikon · Since 2019

The core activity of SKW AG is the design and maintenance of natural gardens, nature reserves and bodies of water. This also includes engineering biological services with a focus on natural water construction. The company relies on sustainable methods and refrains from using chemical and synthetic aids.

Sky Wings GmbH 

Riggisberg · Since 2003

The core activity of Sky Wings GmbH (Böhlen Bagger) primarily encompasses the following areas: excavation and civil engineering, pipeline and road construction, demolition, transportation (particularly with heavy machinery and trucks), environmental work, slope stabilization, and recycling of construction materials and material processing. The company focuses on providing services in the construction and transportation industries, particularly in the areas of earthmoving, road and pipeline work, as well as recycling and material processing.