Architecture Firms in the
Canton of St. Gallen
676 companies in Architecture Firms based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 676 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.
Kobelt AG
Since 1964 · 51–100 empl.4.6(20)
The core activity of Kobelt AG is the construction of turnkey houses, particularly high-quality and solid single-family homes, multi-family homes, semi-detached houses, and wooden houses, as well as providing general contractor services in the field of house building.
Daluz Gonzalez & Partner AG
Since 2014 · 11–20 empl.4.8(27)
Daluz Gonzalez & Partner AG is an architectural firm providing design and planning services for residential buildings and interior architecture. The firm works on various building typologies—multi‑family housing, single‑family houses and villas—and coordinates project-specific specialists such as structural engineers and building services planners.
Alte Textilfabrik Stoffel AG
Since 1975 · 11–20 empl.4.7(26)
The core activity of Uptown Mels is the development and marketing of residential properties, particularly the renovation and repurposing of historic industrial sites, such as the former textile factory Stoffel AG in Mels, into modern residential quarters with owner-occupied and rental apartments.
Zili AG
Since 1975 · 11–20 empl.4.8(26)
The core activity of Zili AG is the planning, realization and renovation of real estate, in particular single-family and multi-family homes, as well as providing energy and fire protection consulting services.
Schällibaum Bau- und Projektmanagement AG
Since 1987 · 101–500 empl.4.3(9)
Schällibaum Bau- und Projektmanagement AG provides services in architecture, civil engineering and geomatics. The firm delivers comprehensive services from consulting and project planning to realisation and offers technical services such as bridge and tunnel engineering, water and infrastructure works, BIM and surveying including drone and mobile mapping.
J. Eisenring AG
Since 1979 · 1–10 empl.4.5(39)
The core activity of J. Eisenring AG is the comprehensive consulting and planning in the field of building land, properties and architecture. The company offers services such as consulting, planning and sales of properties and has many years of experience in the planning sector as well as in the real estate trade. It is an architectural firm that also acts as a general contractor and offers turnkey solutions.
Relesta AG
Since 2004 · 21–50 empl.4.4(8)
The core activity of Relesta AG is the planning, realization and marketing of residential construction projects, in particular the development and construction of residential properties, taking into account the highest quality standards, sustainability and integral working methods.
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.
S + L Architektur AG
Since 2013 · 21–50 empl.4.7(14)
S + L Architektur AG provides architectural and planning services along with project development, construction management and site supervision. The firm acts as a general or total contractor, offers land and property brokerage and complementary services such as site assessments, energy concepts and regulatory clarifications.
Hubatka Peyer Architektur AG
Since 2004 · 11–20 empl.4.5(15)
The core activity of Hubatka Peyer Architektur AG is the planning and realization of architectural projects, including concept, renovation, refurbishment and new construction of buildings such as single-family homes, multi-family homes, kindergartens and showrooms.
Ambiente Einrichtungskonzepte AG
Since 2002 · 11–20 empl.4.4(15)
The core activity of Ambiente Einrichtungskonzepte AG is the planning, consulting and execution of interior architecture and furnishing projects for living and working spaces. This includes the development of individual furnishing concepts, the selection and delivery of design furniture, lighting and textiles, as well as the implementation of spatial design and furnishing projects. The company offers its customers a comprehensive service that extends from the initial idea to delivery and beyond.
Gebr. Schöb AG
Since 1993 · 11–20 empl.4.3(15)
The core activity of Gebrüder Schöb AG is the provision of services in the field of timber construction, including architecture, timber construction and carpentry. The company offers innovative solutions for the construction of buildings and other timber structures and is involved in the planning, execution and assembly of timber structures.
Architekten Zogg & Freuler, Inhaber Heinz Zogg
Since 1992 · 1–10 empl.5.0(10)
Architekten Zogg & Freuler, Inhaber Heinz Zogg is an architectural and general contracting practice providing planning, project management and construction services. Offerings include new builds and renovations for single- and multi-family houses, commercial and public buildings, land offerings, financing advice, color-concept services and Minergie-related services.
CRISTUZZI Immobilien-Treuhand AG
Since 1983 · 11–20 empl.3.2(9)
CRISTUZZI Immobilien-Treuhand AG ist ein Dienstleister im Immobilienbereich, der Verkauf, Bewirtschaftung, Erstvermietung, Beratung und Bewertungen für Wohn- und Gewerbeliegenschaften anbietet. Ihr vertrauensvoller Partner für den gesamten Immobilienlebenszyklus. Von der ersten Idee bis zur langfristigen Bewirtschaftung stehen wir an Ihrer Seite. Unsere Dienstleistungen decken alle Aspekte der Immobilienentwicklung, -bewertung, -vermarktung, -bewirtschaftung und Erstvermietung ab.
Jud Architekten AG
Since 1999 · 1–10 empl.4.8(8)
The core activity of Jud Architekten AG is the planning and realization of architectural projects, particularly in the area of residential and commercial buildings, both in the form of new constructions and renovations.
PS Planungsbüro Schubiger AG
Since 1995 · 11–20 empl.4.6(13)
The company PS Planungsbüro Schubiger AG is an architectural firm specializing in the planning and realization of construction projects. The core activities include the development of individual concepts for new buildings and renovations of single-family homes, multi-family homes, industrial buildings, and other properties. The company provides comprehensive services, from the initial idea to the final execution, including accompanying the clients in every phase of the project.
Ziegler + Partner Architekten AG
Since 2012 · 11–20 empl.4.7(19)
Ziegler + Partner Architekten AG is an architectural firm that designs and oversees projects including new construction, renovation, conversions and site development.
Gebr. Giezendanner AG
Since 2014 · 21–50 empl.4.9(8)
The core activity of Gebr. Giezendanner AG encompasses the planning, design, manufacturing and acceptance of timber construction, carpentry and architectural projects. This includes, in particular, the production of wood products such as furniture and building components, as well as the provision of architectural and engineering services for timber construction. The company thus offers a comprehensive service from planning to execution of timber construction and carpentry projects.
DS Architektur AG
Since 1996 · 11–20 empl.4.5(11)
The core activity of DS Architektur AG is the analysis, planning and implementation of multi-family houses with rental and owner-occupied apartments.
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.
4D Holzarchitektur GmbH
Since 2007 · 1–10 empl.5.0(6)
4D Holzarchitektur GmbH is an architecture and planning firm focused on timber architecture, offering architectural, interior-design and client-representation services. The firm supports new-build, conversion and extension projects from concept to realization and provides 3D scanning and development of wooden properties.
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.
Trunz Wirth AG
Since 1991 · 11–20 empl.5.0(6)
The core activity of Trunz Wirth AG is the provision of services in the field of architecture and construction management. This includes the planning, consulting and implementation of construction projects, including the renovation and conversion of buildings, as well as the realization of new buildings. The company offers its customers individual solutions and supports them in implementing their visions and ideas.
Haueis AG, Ladenbau & Architekturwerkstatt
Since 1999 · 1–10 empl.5.0(3)
The core activity of Haueis AG is shopfitting, residential construction, interior architecture, and the planning of bakeries. They offer comprehensive services in these areas, from strategy to implementation, and focus on creating high-quality, well-structured spaces that evoke emotions and meet the needs of their customers.
Piceci Architekten AG
Since 2007 · 1–10 empl.4.6(9)
The core activity of Piceci Architekten AG is the planning, realization and construction management of construction projects, particularly in the field of architectural planning and realization of residential and commercial buildings. This includes services such as project planning, execution and detailed planning, construction management and construction management, general planning, total contracting, as well as client consulting and representation.
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.
Huser Schnell Architekten AG
Since 2012 · 11–20 empl.4.4(7)
The core activity of Huser Schnell Architekten is the planning, design and construction management of building projects, particularly in the field of architecture, with a focus on single-family homes, multi-family homes and other construction projects.
N2A AG
Since 2014 · 11–20 empl.5.0(6)
The core activity of N2A AG is the provision of architectural services, including project development, urban planning, architecture, construction management and interior design. The company focuses on creating living and residential spaces for various needs and offers its services both nationally and internationally.
Carlos Martinez Architekten AG
Since 1999 · 21–50 empl.3.9(20)
The core activity of Carlos Martinez Architekten AG is the planning and realization of innovative and individual construction projects, particularly in the field of architecture and interior design. The company develops tailored solutions for people based on economic, aesthetic and social considerations, taking into account the context of the location.
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.
Bauweberei Architekten AG
Since 2008 · 11–20 empl.4.6(5)
The core activity of Halter Hunziker Architekten AG is the planning, consulting, execution and construction management of building projects, particularly in the field of architecture. The company offers services such as consulting, planning, execution and construction management, focusing on creating long-lasting, sustainable and high-quality buildings.
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.
RLC Architekten AG Rheineck
Since 1981 · 21–50 empl.5.0(4)
RLC Architekten AG Rheineck provides architectural and project development services, including general planning, digital design (BIM) and project management for residential, industrial, office and leisure buildings.
Starhaus AG
Since 2014 · 11–20 empl.5.0(4)
The Starhaus AG is a general contractor based in Rorschach, specializing in the planning, design and construction of residential buildings. In addition to project development and architectural planning, the company also provides support with financing issues and questions related to building land.
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.
AG für Planung und Bauleitung Altstätten SG
Since 1972 · 1–10 empl.
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.
Huber & Partner Wattwil AG
Since 1977 · 1–10 empl.
Huber & Partner Wattwil AG provides engineering and consulting services across energy, buildings, water, transport infrastructure and environmental management. Services include project and cost management, environmental planning and construction supervision, water supply and wastewater engineering, digital services and contractual support for operators.
Domes AG Walenstadt
Since 1983 · 1–10 empl.
Domes AG Walenstadt is a property development company and part of the B + K Architekten AG website. The company is involved in the development of construction projects as well as the sale and rental of 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.
Schlegel + Hofer, Dipl. Architekten AG
Since 1985 · 1–10 empl.
The company Schlegel + Hofer Dipl. Architekten AG is an architectural firm whose core activity lies in the planning and realization of construction projects, particularly in the areas of residential construction, public buildings, industrial and commercial buildings.
Pedrett AG
Since 1986 · 1–10 empl.
The core activity of Pedrett AG is the general planning and architecture of real estate, particularly in the areas of residential, commercial, industrial and retail. The company offers comprehensive services ranging from consulting and site acquisition to planning, construction management and controlling, as well as operational and maintenance concepts.
Hutter Architektur u. Bauleitung AG
Since 1987 · 1–10 empl.
The core activity of Hutter Architektur + Bauleitung AG is the planning and implementation of construction projects, particularly the creation of individual architectural concepts and competent construction management, to create durable and aesthetically pleasing 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.
Aktiengesellschaft Kellenberger Architekten
Since 1990 · 1–10 empl.
Aktiengesellschaft Kellenberger Architekten manages and rents out properties around Schloss Klingelburg and Hof Klingelburg. The website presents apartments and a detached house in Hof Klingelburg and provides the management contact details.
Jörg + Kuster AG
Since 1992 · 1–10 empl.
Jörg + Kuster AG is an architectural firm that provides design, planning and execution of new buildings, renovations and refurbishments, and offers owner's representation and expert assessments. Projects include residential, industrial and commercial buildings as well as healthcare and public facilities; the firm is a MINERGIE® partner and works with hj baurealisation gmbh for general or total contracting.
Herbert Oberholzer Architekt BSA/SIA AG
Since 1992 · 1–10 empl.
Herbert Oberholzer Architekt BSA/SIA AG is an architectural practice providing design and project planning services for residential, public and institutional buildings. Its portfolio includes student housing, residential developments and multipurpose halls, and the practice addresses integrated ecological planning considerations.
Architecture Firms in the Canton of St. Gallen
Architecture Firms in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 12, 2026
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