Architecture Firms in
St. Gallen
160 companies in Architecture Firms based in St. Gallen — name and year of registration from the commercial register.
50 of 160 companies
Domus Leuchten und Möbel AG
Since 2003 · 11–20 empl.4.7(28)
The company Domus primarily deals with the planning, consulting and execution of furnishing projects for residential and commercial spaces. This includes the development of individual furnishing concepts, the selection and delivery of furniture, lighting and textiles, as well as the implementation of renovation and installation work. In addition, the company also offers consulting services in the areas of interior architecture, color concept and sustainability.
Wäspe + Partner AG
Since 1989 · 11–20 empl.4.4(19)
The core activity of Wäspe + Partner AG is the development, planning, realization and marketing of real estate, particularly in the area of new construction, renovation and sale of residential and commercial properties in Eastern Switzerland. This also includes services such as market value assessment, consulting, creation and negotiation of sales documents.
remo marc nüesch ag, möbel- und raumgestaltung
Since 2007 · 1–10 empl.5.0(4)
remo marc nüesch ag, möbel- und raumgestaltung produces custom furniture and interior joinery for residential and commercial spaces, offering fitted cabinets, bespoke furnishings and cigar humidors (Nüesch Humidore) and presenting its work in a showroom.
Flühler Architektur GmbH
Since 2009 · 11–20 empl.5.0(15)
The core activity of Flühler Architektur is the planning and realization of construction projects, including architecture, interior design and building planning. The company offers services such as house analyses, competitions, studies and construction projects, and also deals with building outside of building zones.
Baumschlager Eberle St.Gallen AG
Since 2006 · 101–500 empl.4.7(3)
Baumschlager Eberle St.Gallen AG is an architectural practice offering architectural and general planning services across all project phases, including feasibility and design studies, project and construction management, and execution planning. The office works on projects ranging from masterplans to private houses and emphasizes sustainable, energy-efficient solutions, timber construction and the use of current design tools and BIM workflows.
K&L Architekten AG
Since 1999 · 21–50 empl.5.0(4)
K&L Architekten AG is an architectural practice providing design, project and planning services for residential, commercial, sports and public buildings as well as site developments. The firm undertakes competitions, studies and construction projects with an emphasis on integrated planning, sustainability and timber construction.
AKKURAT AG
Since 2018 · 1–10 empl.4.6(9)
The core activity of Akkurat AG is the planning and realization of construction projects, particularly in the areas of residential, commercial and special buildings. The company develops and implements projects such as multi-family homes, single-family homes, office buildings, commercial buildings, hospitals and event spaces.
Ehle Wirth Architekten AG
Since 1969 · 1–10 empl.
The core activity of EHLE WIRTH Architekten AG is the provision of architectural services, including planning, design and realization of construction projects. The company offers its services for long-term and sustainable cooperation with customers and business partners, and values a partnership-based collaboration, mutual respect and trust.
Filipaj Architektur AG
Since 1976 · 1–10 empl.
The core activity of Filipaj Architektur AG encompasses the planning and construction of real estate for private builders, investors and on its own account, including feasibility studies, land development, project planning, execution and construction management. Additionally, the company offers rental and management services for its own properties.
Urs Zangerl AG
Since 1984 · 1–10 empl.
The core activity of Urs Zangerl AG is the provision of services in the field of construction management, owner consulting and owner representation, particularly for administrations and property owners in Eastern Switzerland and the Zurich region.
Frei & Gmünder AG
Since 1984 · 1–10 empl.
Frei & Gmünder AG is an architecture firm that works on projects in education, housing, industrial and commercial buildings, houses, and special-purpose buildings. According to its website, it develops projects worldwide with a focus on sustainable, context-aware architecture and urban design.
Forrer Stieger Architekten AG
Since 1984 · 1–10 empl.
The company is an architectural firm specializing in the planning and execution of construction projects such as residential buildings, hotels, kindergartens and other buildings.
ZÖLLIG & EGGENBERGER AG
Since 1990 · 1–10 empl.
The core activity of Zöllig + Eggenberger AG is the architecture and planning of construction projects, particularly in the area of public buildings, schools, kindergartens, sports facilities, residential houses and municipal facilities.
Architekturbüro Urs Fischer Dipl. Architekt ETH/SIA
Since 1993 · 1–10 empl.
The company's core activity is the provision of architectural services, including: architectural design, feasibility studies, preliminary projects, site selection, building permit applications, detailed planning, construction management, expert opinions and specialist support, visualizations and perspectives, sunlight studies and shadow simulations, and calculations. The company thus offers comprehensive services for the planning and implementation of construction projects.
Architekturbüro Martin Widmer Dipl. Arch. ETH
Since 1994 · 1–10 empl.
The core activity of the company "martin widmer architekt" is the planning and development of buildings and projects in the field of architecture, including project development and participation in competitions.
Michael Niedermann GmbH
Since 1995 · 1–10 empl.
The core activity of the company "Niedermann Architekt" is the provision of architectural services, including: building consulting, jury services, monument preservation, planning and realization of construction projects, particularly in the areas of residential buildings, office buildings, administrative buildings and cultural institutions. The company also offers consulting services in the fields of construction and design and is active in various public functions and commissions.
starch Stauffacher Architektur GmbH
Since 1999 · 11–20 empl.
starch Stauffacher Architektur GmbH is an architectural firm that designs and delivers projects ranging from single-family houses to public buildings and street and square layouts. The firm produces concept and feasibility studies, participates in competitions and covers project planning through execution, including construction management, cost control and expert consulting.
Forma Architekten AG
Since 1999 · 11–20 empl.5.0(3)
The company's core activity is the provision of banking services.
Gähler Flühler Fankhauser Architekten AG
Since 2000 · 21–50 empl.
The core activity of Gähler Flühler Fankhauser Architekten is the provision of architectural services, including planning, design and implementation of construction projects, with a focus on sustainable and ecological solutions. The company offers all architectural services and phases from a single source, from the design phase to construction management, and works in small teams on projects ranging from urban planning to constructive details.
Peter Lüchinger dipl. Architekt FH/SWB/SIA
Since 2001 · 1–10 empl.
The company's core activity is the planning and realization of architectural projects, particularly in the areas of residential construction, commercial construction and public building, such as schools, community facilities and administrative buildings.
Archplan AG
Since 2001 · 21–50 empl.4.8(5)
Archplan AG is an architecture firm that provides architectural services from design through to project handover. The practice participates in competitions and studies, undertakes renovations and conversions, uses Building Information Modeling (BIM), and emphasizes resource-efficient materials and cost-conscious project planning.
Karin Fritsche Stadelmann Dipl. Arch. ETH
Since 2001 · 1–10 empl.
The company's core activity is architecture, particularly the planning and realization of construction projects, including new buildings, conversions, renovations, and energy-efficient renovations. This also includes the development of architectural concepts, space planning, neighborhood planning, furniture design, and the construction of fireplaces and chimneys. The company also offers consulting services in the areas of construction consulting, buying and selling real estate, maintenance planning, and real estate valuation.
Rüsch & Weh AG
Since 2003 · 1–10 empl.
The core activity of Rüsch & Weh AG is the provision of architectural services, including design, planning and execution of private and public buildings, as well as the development of urban planning concepts and the elaboration of special building regulations.
Zwicker AG
Since 2005 · 1–10 empl.
Zwicker AG designs and implements bespoke lighting solutions for commercial, cultural, private and public buildings in interior and exterior spaces. Services include conceptual lighting design, project planning, product design and the manufacture of custom luminaires and architecture-integrated components.
Architektur Gross AG
Since 2006 · 1–10 empl.
The core activity of Architektur Gross AG is the planning and realization of construction and renovation projects in the field of residential, commercial and healthcare buildings, including interior design and furnishing.
Riesenpunkt GmbH
Since 2008 · 1–10 empl.
The core activity of Riesenpunkt GmbH is exhibition stand construction, planning, design and implementation of exhibitions, spatial designs and advertising systems. This includes the conception and implementation of exhibition stands, presentation rooms, exhibition projects and advertising media such as roll-ups, banner stands and textile displays. The company also offers services such as the design of sales and exhibition spaces, coffee lounges and company museums.
GR-Consulting GmbH
Since 2008 · 1–10 empl.
The core activity of GR Consulting / GR Innovation is the provision of architectural and construction management services, including QS fire protection, as well as construction consulting and owner representation. The company offers services such as strategic planning, feasibility studies, concepts, design, tendering and realization of construction projects.
Hänni Gartenbau - Landschaftsarchitektur AG
Since 2008 · 21–50 empl.
The core activity of Hänni Gartenbau-Landschaftsarchitektur AG encompasses the planning, design, construction and maintenance of gardens, landscapes and outdoor facilities for private and public clients. This includes the creation of landscape architecture plans, the execution of garden and landscape construction work, the maintenance and upkeep of existing facilities, as well as the realization of special projects such as pool installations, green roofs and renaturalizations.
Buffoni Bühler AG
Since 2009 · 1–10 empl.
The core activity of Buffoni Bühler AG encompasses project development, owner representation, architecture and general planning in the field of construction. The company supports clients in the implementation of construction projects, from idea generation to realization, and offers services such as project planning, owner representation, architecture and general planning.
HKG Consulting AG Zweigniederlassung St. Gallen
Since 2009 · 21–50 empl.
HKG Consulting AG Zweigniederlassung St. Gallen is a branch of HKG Consulting AG providing technical consulting services in security, building automation, building informatics, energy, digitalization and overall project planning.
Stauffacher Architektur GmbH
Since 2009 · 11–20 empl.
The core activity of Stauffacher Architektur is the planning and realization of architectural projects, including renovations, refurbishments and new constructions of apartments, community centers, office buildings and other real estate properties.
Alpen Architekten AG
Since 2010 · 1–10 empl.
Alpen Architekten AG is an architecture firm that designs bespoke building projects and manages implementation phases. Services include execution planning, construction management, acting as general contractor and client advisory.
HKG Engineering AG Schlieren
Since 2010 · 21–50 empl.
HKG Engineering AG Schlieren provides electrical and building services engineering, including building automation, building informatics, security systems, energy and digitalization consulting. The office delivers consulting and overall planning services for electrical installations and building-technology projects.
Brunner Landschaftsarchitekten GmbH
Since 2011 · 1–10 empl.
The core activity of Brunner Landschaftsarchitekten GmbH BSLA is the planning and design of landscape and open space projects, including natural and environmental design, logistics centers, road space design and renaturation of water bodies. The company offers its services as a landscape architecture office and is based in St. Gallen.
Schneider Architektur GmbH
Since 2012 · 1–10 empl.
The core activity of Schneider Architektur GmbH is the planning and realization of construction projects, including architecture, design, execution planning and construction management for various types of buildings, such as single-family homes (SFH), multi-family homes (MFH) and senior living facilities.
Dietrich, Untertrifaller, Stäheli Architekten AG
Since 2012 · 21–50 empl.
The company primarily focuses on architecture and urban planning, particularly on designing and planning residential and educational spaces, such as schools and residential areas. The core activity involves developing concepts and solutions for sustainable and socially responsible urban development, with a focus on user needs and creating livable spaces.
Kollektiv Nordost GmbH
Since 2013 · 1–10 empl.
Kollektiv Nordost GmbH is a landscape architecture practice offering services in urban design, object planning and garden art. It plans and implements projects such as gardens, public open spaces and natural areas, working on rural and peri-urban landscapes with a focus on eastern Switzerland.
Senn Construction AG
Since 2013 · 21–50 empl.
Senn Construction AG acts as a total and general contractor for the realization and renovation of residential, commercial and industrial properties. The company manages projects with in-house project and site managers and provides services including land acquisition, development, marketing, sustainability consulting, building services engineering and digital construction.
ZOLLER ARCHITEKTUR GmbH
Since 2014 · 1–10 empl.
The core activity of ZOLLER ARCHITEKTUR is the provision of architectural services, including planning, design and implementation of construction projects.
kimlim architekten eth/sia gmbh
Since 2015 · 1–10 empl.
kimlim architekten eth/sia gmbh is an architectural firm providing design and project management services for public and private buildings; projects include residential buildings, school and educational facilities, care and senior housing, and renovations and extensions.
ARCHITEKTURBÜRO BION4 GMBH
Since 2015 · 1–10 empl.
The core activity of Architekturbüro BION4 GmbH is the planning and implementation of architectural projects, in particular: new and renovation constructions of residential, commercial and industrial buildings; design, execution and detailed planning; CAD drafting in all project phases; clarifications with authorities, offices and specialist planners; existing building surveys; creation of sales documents. The company offers these services both as a direct mandate and as a freelancer for external clients.
Baukom AG
Since 2015 · 11–20 empl.
The core activity of Baukom AG is the provision of services in the fields of construction economics, construction management and construction logistics for high-rise building projects. This includes in particular the overall management, cost planning, construction realization, construction supervision and maintenance of construction projects. The company supports the networking of architects, engineers, specialists and entrepreneurs in the planning and implementation process.
Paul Meier Architekturbüro
Since 2016 · 1–10 empl.
The company's core activity is the provision of architectural services, particularly in the areas of new buildings, renovations and competitions.
Egloff Wörwag Architects AG
Since 2018 · 1–10 empl.
RETO EGLOFF ARCHITECT AG is an architectural firm specializing in heritage conservation and development projects for investment properties. The firm acts as architect or client representative, carrying projects from development through execution with an emphasis on economical, high-quality and sustainable architecture, refurbishment, minimal design and circular-construction practices.
Studio Romano Tiedje GmbH
Since 2020 · 1–10 empl.
The company Studio Romano Tiedje GmbH is an architectural firm specializing in the planning and realization of construction projects such as residential buildings, renovations, exhibition and cultural projects. The core activity of the company includes the development of innovative and creative solutions for the construction and real estate sector.
Flur Architekten AG
Since 2010 · 11–20 empl.
The company is an architectural firm specializing in the planning and realization of various construction projects. The core activities include the planning and execution of residential buildings, office buildings, commercial properties, public buildings, as well as the conduct of competitions and studies.
Gnädinger Architektur-Modellbau GmbH
Since 2006 · 1–10 empl.5.0(7)
The core activity of Gnädinger Architektur-Modellbau GmbH is the manufacture of architectural models.
BATIMENTS Eva Lanter Patrick Britt GmbH
Since 2018 · 1–10 empl.
The core activity of the company BATIMENTS is architecture.
multistudio GmbH
Since 2023 · 1–10 empl.5.0(12)
multistudio GmbH develops architectural and interior design concepts and supports projects from concept through planning to execution. The firm combines building planning and interior architecture and collaborates with by marei on furnishing and fit-out concepts where appropriate.
Gemperli Architektur AG
Since 1989 · 1–10 empl.5.0(3)
The core activity of Gemperli Architektur AG is the provision of architectural services.
Architecture Firms in St. Gallen
Architecture Firms in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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