Architect in
Altstätten SG

26 companies in Architect based in Altstätten SG — name and year of registration from the commercial register. The list below shows them all.

Companies

All 26 companies in Altstätten SG

Huser Schnell Architekten AG Logo

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.

ArchitectArchitectural planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
AG für Planung und Bauleitung Altstätten SG Logo

AG für Planung und Bauleitung Altstätten SG

Since 1972 · 1–10 empl.

ArchitectPlanning and Construction Management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
OePlan GmbH Logo

OePlan GmbH

Since 1997 · 11–20 empl.

The core activity of OePlan GmbH is the provision of services in the fields of landscape planning, landscape architecture, environmental planning and water management. This includes, in particular, the planning and design of open spaces, landscapes and ecosystems, the implementation of environmental impact assessments and consulting on the implementation of projects in the areas of near-natural water construction, soil protection and landscape ecology.

ArchitectHabitats and SpeciesSoilLandscape
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Archraum AG Logo

Archraum AG

Since 2010 · 1–10 empl.

Archraum AG is an architecture practice that plans and delivers building projects. Its portfolio includes new-build and renovation projects for homes, as well as projects for commercial and public use.

ArchitectArchitectural services for new builds, conversions and extensions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
hp planbau gmbh Logo

hp planbau gmbh

Since 2016 · 1–10 empl.

hp planbau gmbh is a company whose website shows only the company name and a copyright notice. No further information about services or business activities is available on the accessible site.

ArchitectArchitectural and Construction Project Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Notaton AG Logo

Notaton AG

Since 2018 · 1–10 empl.

The core activity of Notaton AG is the planning and realization of construction projects, in particular new buildings, conversions and urban development projects, with a focus on architecture and civil engineering.

ArchitectArchitectural Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
GÖLDI baupartner Logo

GÖLDI baupartner

Since 1999 · 1–10 empl.

Architect
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Himmelhoch Fischlin-Eichmüller KLG Logo

Himmelhoch Fischlin-Eichmüller KLG

Since 2017 · 1–10 empl.

Himmelhoch Fischlin-Eichmüller KLG is a practice working in architecture and visual communication.

ArchitectArchitectureVisual Communication
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Dade Design AG Logo

Dade Design AG

Since 2015 · 11–20 empl.3.6(14)

Dade Design AG produces concrete elements and concrete design products for architecture and interiors, and trades in concrete goods. Its services include planning, manufacturing and installing custom concrete designs and artworks.

ArchitectConcrete washbasinsConcrete bathtubsConcrete shower trays and prefabricated wet rooms
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
PUR ARCHITEKTUR GmbH Logo

PUR ARCHITEKTUR GmbH

Since 2020 · 1–10 empl.

The core activity of Pur Architektur is the planning and realization of sustainable construction projects, particularly in the areas of new construction, renovation, refurbishment and monument preservation, taking into account regional building culture and traditions, as well as the use of natural and pure materials.

ArchitectArchitectural planningConstruction managementConstruction consulting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
san immobilien ag Logo

san immobilien ag

Since 1997 · 11–20 empl.3.0(4)

san immobilien ag is an architectural and general planning firm. The company plans and manages construction projects in the industrial, commercial, administrative, educational, residential and public sectors, including new builds, conversions and renovations.

ArchitectArchitecture and general planning servicesConstruction consulting and ancillary servicesBuilding construction projects for industry and commerce
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
Schwabegger & Zoller Architekten GmbH Logo

Schwabegger & Zoller Architekten GmbH

Since 2022 · 1–10 empl.

Schwabegger & Zoller Architekten GmbH is an architectural practice that plans and oversees building projects such as new construction, renovations, competition entries and historical building surveys.

ArchitectArchitectural planningRenovation and restorationCompetition planning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #12
Roger Graf Architekt FH Logo

Roger Graf Architekt FH

Since 2016 · 1–10 empl.5.0(1)

Roger Graf Architekt FH plans and carries out architectural projects involving existing buildings, including renovations, conversions and temporary uses. Its work also includes cultural mediation and the planning of temporary spaces and installations.

ArchitectArchitectural planningRenovation and refurbishmentChange of use and conversion
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #13
d2b design gmbh Logo

d2b design gmbh

Since 2025 · 1–10 empl.

Product designerArchitecture and Design ServicesCustom Fabrication and ManufacturingCustom Doors and Windows
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #14
Architekturbüro Donat Roth & Partner Logo

Architekturbüro Donat Roth & Partner

Since 1991 · 1–10 empl.

Architekturbüro Donat Roth & Partner provides CAD services in the architectural field. The firm works with ArchiCAD (Swiss version) for modelling and plan preparation and accepts project files via an online upload service.

ArchitectCAD services in architecture
No score yet
Die Raummacher Mirjam Zünd Logo

Die Raummacher Mirjam Zünd

Since 2002 · 1–10 empl.

Die Raummacher Mirjam Zünd is an interior architecture practice offering design, planning and site supervision for renovations, extensions, conversions and new builds, and also develops exhibition concepts and furniture design.

ArchitectInterior architecture
No score yet
MA

Marag Altstätten AG

Since 1988 · 1–10 empl.

Architect
No score yet
BB

BPV Bauplan und Visualisierungs AG

Since 1995 · 1–10 empl.

Architect
No score yet
DB

design4mation by reno schmidt interior design & architecture

Since 2006 · 1–10 empl.

Engineer
No score yet
HD

Haus des Designs GmbH

Since 2018 · 1–10 empl.

Architect
No score yet
IA

Immodura AG

Since 2020 · 1–10 empl.

Architect
No score yet
DG

design4mation gmbh

Since 2022 · 1–10 empl.

Architect
No score yet
AM

Architekt Mayer GmbH

Since 2023 · 1–10 empl.

Architect
No score yet
AR

ARCHITECTURE RADICAL - Pomberger

Since 2023 · 1–10 empl.

Architect
No score yet
AN

Atelier Newmoon GmbH

Since 2024 · 1–10 empl.

Architect
No score yet
GA

göldipartnerarchitekten ag

Since 2025 · 1–10 empl.

Architect
No score yet

Architect in Altstätten SG

26ArchitectCommercial register (Zefix) · as of November 6, 2026
2016Median year of registrationCommercial register (Zefix) · as of November 6, 2026
675in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
12,629in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Architect in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026