Architecture Firms in
St. Gallen

126 companies in Architecture Firms based in St. Gallen — name and year of registration from the commercial register.

Companies

50 of 126 companies

Stephanie Signorell Interior Design

Since 2023

Interior DesignInterior designInterior fittings

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Ehle Wirth Architekten AG

Since 1969

Architectural services

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Filipaj Architektur AG

Since 1976

Architectural planningConstruction executionRental apartments

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Urs Zangerl AG

Since 1984

Client advisory – Client representationConstruction management

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Frei & Gmünder AG

Since 1984

Architectural servicesCompetition processing

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Forrer Stieger Architekten AG

Since 1984

Architectural planningRenovations and conversionsCompetition planning

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Wäspe + Partner AG

Since 1989

Architectural servicesNew-build projectsReal estate sales

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Gemperli Architektur AG

Since 1989

Architectural planningRenovation and conversionNew-build projects

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ZÖLLIG & EGGENBERGER AG

Since 1990

ArchitectureProject planningConstruction documentation

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Bollhalder Walser Architektur AG

Since 1991

Architectural services

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P & S Frischknecht

Since 1992

Interior Design

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Architekturbüro Urs Fischer Dipl. Architekt ETH/SIA

Since 1993

Architectural designFeasibility studiesPreliminary design and building submission

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Architekturbüro Martin Widmer Dipl. Arch. ETH

Since 1994

Architectural servicesProject developmentCompetition planning

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Michael Niedermann GmbH

Since 1995

Architectural projectsRental

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Ghisleni Planen Bauen GmbH

Since 1996

General planningClient advisory and representation

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Stillhart Architekten AG

Since 1997

ArchitectureProject developmentProject competitions

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MARTIN STRUB Inneneinrichtungen GmbH

Since 1997

Interior design and furnishingSite managementColour and material consulting

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starch Stauffacher Architektur GmbH

Since 1999

Architectural planningSite supervisionCost management

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Felix Sigrist AG

Since 1999

Project developmentProject planningExecution projects

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K&L Architekten AG

Since 1999

Architecture and general planningResidential constructionSports and swimming facilities

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Forma Architekten AG

Since 1999

Feasibility studiesNew construction of multi-family homesAlterations to existing buildings

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Oestreich & Schmid GmbH

Since 2000

Architectural servicesBuilding conversions and renovations

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Gähler Flühler Fankhauser Architekten AG

Since 2000

Architectural services and construction managementProject developmentUrban planning

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Peter Lüchinger dipl. Architekt FH/SWB/SIA

Since 2001

Architectural planningResidential buildingsCommercial and industrial buildings

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Archplan AG

Since 2001

Architectural planningCompetitions and studies

View profile4.8(5)

Karin Fritsche Stadelmann Dipl. Arch. ETH

Since 2001

Architecture / Interior designSpatial planning / District & design plansHospital construction / Senior care & rehabilitation centers

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Rüsch & Weh AG

Since 2003

ArchitectureAdvisoryValuation

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Mayer Architektur AG

Since 2003

Architectural services

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Domus Leuchten und Möbel AG

Since 2003

Interior designResidential furnishing planningCommercial furnishing planning

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Andy Senn Architektur GmbH

Since 2004

Architectural services

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Thomas Kai Keller Architekten GmbH

Since 2004

ArchitectureUrban planningMonument conservation

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disegno GmbH

Since 2005

Interior designCustom concrete productsConcrete furniture

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Zwicker AG

Since 2005

Lighting designLighting planningLuminaire and product design

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Baumschlager Eberle St.Gallen AG

Since 2006

Architecture and general planningUrban planning and master planningRenovation and building in existing stock

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Gnädinger Architektur-Modellbau GmbH

Since 2006

Architectural models

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Architektur Gross AG

Since 2006

Residential architectureCommercial and sports architectureClinic and medical practice architecture

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Stalder Landschaften - Architektur für Land- und Freiräume

Since 2006

Landscape architecturePlanning and design of open spacesGarden architecture

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Christian Müller Architektur und Innenarchitektur GmbH

Since 2007

ArchitectureInterior design

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remo marc nüesch ag, möbel- und raumgestaltung

Since 2007

Custom-made Furniture and Interior Fit-outCustom KitchensCustom Bathrooms

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Riesenpunkt GmbH

Since 2008

Exhibition stand construction / exhibitionsSpace designAdvertising displays

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GR-Consulting GmbH

Since 2008

ArchitectureConstruction managementQuality assurance fire protection

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Hänni Gartenbau - Landschaftsarchitektur AG

Since 2008

LandscapingLandscape architectureOutdoor design

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HKG Consulting AG Zweigniederlassung St. Gallen

Since 2009

Overall planningElectrical engineeringSecurity

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Stauffacher Architektur GmbH

Since 2009

Architectural services

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Flühler Architektur GmbH

Since 2009

Architectural planningCompetition architectureHouse analyses

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Alpen Architekten AG

Since 2010

General contractingSite managementDetailed execution planning

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senn plan gmbh

Since 2010

Architectural servicesCompetition and study work

View profile4.5(4)

HKG Engineering AG Schlieren

Since 2010

Electrical engineeringBuilding automationBuilding IT

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Eberle Architektur

Since 2010

Architecture and construction managementOwners' representativeValuations

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Eberle Architektur GmbH

Since 2010

Architecture and construction managementClient representationValuations

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Show 38 more companies

Architecture Firms in St. Gallen

126Architecture FirmsCommercial register (Zefix) · as of August 26, 2026

2011Median year of registrationCommercial register (Zefix) · as of August 26, 2026

498in the Canton of St. GallenCommercial register (Zefix) · as of August 26, 2026

10,061in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Architecture Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Wil SG28 Rapperswil SG24 Altstätten SG19 Widnau18 Bad Ragaz13 Jona13 Buchs SG11 Uznach11 Diepoldsau9 Berneck9

Place axis

Other industries in St. Gallen

All companies in St. Gallen

Management Consulting269 Restaurants242 Property Management203 IT Consulting & Services190 Advertising Agencies164 Software Development162 Fiduciary Offices154 Real Estate Project Development150 Holding Companies142 Coaching & Personal Development107 Hair Salons103 Real Estate Brokerage103 Technical Consulting & Engineering102 Facility Management & Cleaning99 Textile & Clothing Industry73 Auto Repair Shops73 Retail - Textiles & Clothing71 NGOs & NPOs70 Recruitment & HR Consulting69 Online Shops69 Painting & Plastering67 Beauty Salons61 Continuing Education Institutes60 Trade Fair & Event Organizers58 Automotive & Vehicle Trade57 Electrical Planning & Installation56 Plumbing & Building Services52 Housing Cooperatives49 Other Service Industries47 General Contractors47 Sports & Recreation Instruction44 Cultural & Educational Organizations43 Retail - General Specialty Trade43 Clubs, Bars & Event Venues43 Physiotherapy42 Retail - Food & Luxury Items42 Interior Construction41 Flooring & Tiling40 Construction & Project Management38 Web Portals & Platform Companies38 Food Processing37 Logistics & Transport Companies37 Photography34 Financial Services34 Pension Funds33 Psychiatry & Psychotherapy33 Law Firms & Notary Offices31 Insurance Brokerage & Consulting31

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Architecture Firms inSt. Gallen

50 of 126 companies

Architecture Firms in the region

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Architecture Firms in
St. Gallen