Architecture Firms in the
Canton of Appenzell Outer Rhodes

62 companies in Architecture Firms based in the Canton of Appenzell Outer Rhodes — name and year of registration from the commercial register.

Companies

50 of 62 companies

Adrian Ebneter AG Logo

Adrian Ebneter AG

Since 1990 · 1–10 empl.

The company's core activity is the planning, development and realization of construction projects, including architecture, project development, planning, construction and construction management. The company offers its services for various types of construction projects, such as residential buildings, office buildings, industrial and commercial buildings, church buildings, hotels, swimming pools and public buildings.

Architecture FirmsProject developmentPlanningConstruction execution
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Lignaplan Bau AG Logo

Lignaplan Bau AG

Since 1992 · 1–10 empl.

The core activity of Lignaplan Bau AG is the planning and construction of residential and winter gardens.

Architecture FirmsResidential & Winter Gardens
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Architekturbüro Waldburger & Partner GmbH Logo

Architekturbüro Waldburger & Partner GmbH

Since 1995 · 1–10 empl.

Architekturbüro Waldburger & Partner GmbH is a project development and architecture firm that manages real estate projects from land acquisition to turnkey handover. Services include project development, architectural and office design, real-estate investment and execution as a general contractor.

Architecture FirmsReal estate developmentArchitecture / Office DesignGeneral contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Blumer AG Logo

Blumer AG

Since 1997 · 21–50 empl.

Blumer AG is an architecture and joinery firm offering architectural, timber-construction and joinery services. The company provides construction management and project realization as an integrated service.

Architecture FirmsArchitectureJoinery
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Knill Paul Architekt BSA Logo

Knill Paul Architekt BSA

Since 1998 · 1–10 empl.

The core activity of Knill Paul Architekt BSA is the provision of architectural services.

Architecture FirmsArchitectural Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Louis architektur + design Logo

Louis architektur + design

Since 2001 · 1–10 empl.

Louis architektur + design is an architecture and design studio providing architectural and interior design, lighting planning and luminaire design. Services include client advisory, feasibility studies and competition work, and building projects such as new construction, conversions and renovations for residential, office and public buildings.

Architecture FirmsArchitectureLighting designClient advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
plan b architekten gmbh markus bühler, peter buschor, nicole bühler Logo

plan b architekten gmbh markus bühler, peter buschor, nicole bühler

Since 2003 · 1–10 empl.

The core activity of Plan B Architekten GmbH is the provision of architectural services.

Architecture FirmsArchitectural planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
CG INTERIORS GMBH Logo

CG INTERIORS GMBH

Since 2005 · 1–10 empl.

The core activity of CG INTERIORS is the planning, design and implementation of individual interior spaces, including interior architecture, room concept, interior design, furnishing, lighting planning and decoration. The company offers comprehensive services, from the development of ideas to concrete planning and calculation to implementation and construction management, and works closely with builders, architects and experienced partners.

Architecture FirmsInterior design and spatial designFurnishing consultation and furnishing conceptsLighting design
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Clavadetscher Schreinerei AG Logo

Clavadetscher Schreinerei AG

Since 2007 · 1–10 empl.

The core activity of Clavadetscher Schreinerei AG is interior design and construction, particularly the planning and implementation of projects in the areas of kitchens, bathrooms, furniture, lighting, shopfitting and gastronomy, using wood and other high-quality materials.

Architecture FirmsInterior Fit-Out & Space DesignKitchen ConstructionBathroom & Wellness
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Waldburger + Partner AG Logo

Waldburger + Partner AG

Since 2007 · 1–10 empl.

Waldburger + Partner AG is a project development and architectural firm providing real estate services across the full project lifecycle. The company delivers project and site development, architecture and office design, total-contractor services and tailored real-estate investment advice, supporting projects from acquisition and planning through turnkey handover.

Architecture FirmsProject developmentArchitecture / Office DesignGeneral contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
KELLENBERGER ARCHITEKTUR GMBH Logo

KELLENBERGER ARCHITEKTUR GMBH

Since 2010 · 1–10 empl.

KELLENBERGER ARCHITEKTUR GMBH provides comprehensive architectural services from design through construction. The firm manages project definition, permitting, tendering and construction management, and offers energy consulting including GEAK® assessments for new buildings and renovations.

Architecture FirmsComplete architectural servicesEnergy consulting including GEAK®
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
THOMAS KÜNZLE Architekten GmbH Logo

THOMAS KÜNZLE Architekten GmbH

Since 2014 · 1–10 empl.

The core activity of the company "Thomas Künzle Architekten GmbH" is the provision of architectural services.

Architecture FirmsArchitectural services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Melotti Planung GmbH Logo

Melotti Planung GmbH

Since 2015 · 1–10 empl.

The core activity of Melotti Planung GmbH is the creation of architectural plans and visualizations for construction projects, particularly in the field of sustainable building and energy consulting. This also includes the creation of energy certificates, cost estimates, and support for the submission of funding applications.

Architecture FirmsPlanning for conversions and new builds3D visualisations and reference renderingsEnergy consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Hohl Architektur AG Logo

Hohl Architektur AG

Since 2016 · 1–10 empl.

Hohl Architektur AG is an architectural firm that provides surveys (including 3D scanning), feasibility studies, project planning with building-permit submissions and energy-efficiency renovations, and coordinates execution tasks such as cost estimates, construction drawings and site management.

Architecture FirmsProject planning | Building permit submissionsConstruction | CostsExisting condition surveys
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Heller Hohl TU AG Logo

Heller Hohl TU AG

Since 2018 · 51–100 empl.

The core activity of Heller Hohl TU AG is the planning, consulting, construction and brokerage of real estate, particularly in the area of residential and commercial buildings, conversions, renovations and new buildings. The company also offers real estate valuations and brokerage services and has its own architecture department. It is a total enterprise that covers all phases of the construction and real estate process.

Architecture FirmsPlanning & Construction ConsultingNew Builds: Housing | CommercialConversions | Renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
LANDSCHAFTSARCHITEKTURBÜRO PEARSON Logo

LANDSCHAFTSARCHITEKTURBÜRO PEARSON

Since 2006 · 1–10 empl.

The company's core activity is landscape architecture, particularly the planning and design of outdoor spaces, gardens, parks, squares and other external facilities for private and public clients. This also includes the creation of concepts, studies and expert opinions for the design and enhancement of landscape areas, as well as consulting on the implementation and maintenance of landscape projects.

Architecture FirmsClassical landscape architectureUrban ecologyMaintenance and renewal concepts
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #16
silvano kühnis gmbh Logo

silvano kühnis gmbh

Since 2023 · 1–10 empl.5.0(9)

silvano kühnis gmbh is an architecture firm offering architecture, construction management, interior architecture and furniture design services. The practice works on new-build projects and supports projects from planning through construction.

Architecture FirmsArchitectureConstruction managementInterior design
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #17
schraner partner architektur gmbh Logo

schraner partner architektur gmbh

Since 2004 · 1–10 empl.5.0(2)

schraner partner architektur gmbh is an architecture firm providing design, execution planning and construction management. The practice works on new buildings, conversions, renovations and conservation projects for residential and public buildings.

Architecture FirmsArchitectural servicesRenovations and refurbishmentsAlterations and extensions
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #18
Sascha Koller Architektur AG Logo

Sascha Koller Architektur AG

Since 2018 · 1–10 empl.

Sascha Koller Architektur AG provides architectural and planning services. The website references a new-build project and includes contact details as well as the designation architect ETH/SIA.

Architecture FirmsArchitectural services
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #19
Vuagniaux Architekt GmbH Logo

Vuagniaux Architekt GmbH

Since 2021 · 1–10 empl.

The company's core activity is the provision of architectural services.

Architecture FirmsArchitecture for Single-Family HousesArchitecture for Multi-Family HousesArchitecture for Industrial and Commercial Buildings
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #20
a2 Architekten AG Logo

a2 Architekten AG

Since 1981 · 11–20 empl.4.0(4)

The core activity of the company "a2 architekten ag" is the planning and implementation of architectural projects, including new buildings, conversions, renovations and facade renovations of residential and commercial buildings, schools, churches and other structures. The company offers comprehensive services, from the initial sketch to the handover of the keys, including tenders, contract and cost management, local construction management and building physics aspects.

Architecture FirmsArchitectural services
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #21
ammann partner ag architektur + planung Logo

ammann partner ag architektur + planung

Since 2001 · 1–10 empl.5.0(1)

ammann partner ag architektur + planung is an architectural and planning firm offering architecture, interior architecture and construction management services. Its services include feasibility studies, conceptual and detailed design, execution support, site supervision, cost management and general planning.

Architecture FirmsArchitectureConstruction managementInterior design
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #22
Ammann AG Architektur + Planung Logo

Ammann AG Architektur + Planung

Since 1990 · 1–10 empl.5.0(1)

Ammann AG Architektur + Planung provides architectural and planning services, interior architecture, and construction management. Services include feasibility studies, preliminary and building design, execution planning, site supervision, cost estimation and cost control, as well as general planning and general contracting for new builds and renovations. The practice also develops material and colour concepts for interiors.

Architecture FirmsArchitectureConstruction managementInterior design
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #23
Keller Hubacher Architekten GmbH Logo

Keller Hubacher Architekten GmbH

Since 2023 · 1–10 empl.

The core activity of Keller Hubacher Architekten is the planning and realization of construction projects, particularly in the field of architecture, taking into account design, functionality and sustainability. The activities include the conception, planning and implementation of residential buildings, churches, schools, industrial buildings, landscape and art buildings, as well as the renovation and refurbishment of existing buildings.

Architecture FirmsArchitectural planningSite managementRenovation and refurbishment of existing buildings
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
DESIGN Baumanagement GmbH Logo

DESIGN Baumanagement GmbH

Since 2013 · 1–10 empl.5.0(2)

The core activity of Design Baumanagement GmbH is the provision of architectural and construction planning services, particularly for private builders, with a focus on renovations, refurbishments and renovations of single and multi-family homes, taking into account local building developments and the economical use of resources.

Architecture Firms
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #25
RAB Rutz + Bänziger Architekten GmbH Logo

RAB Rutz + Bänziger Architekten GmbH

Since 2010 · 1–10 empl.5.0(1)

The core activity of RAB Rutz + Bänziger Architekten GmbH is the provision of architectural and planning services, particularly in the areas of building analysis, property valuations, construction consulting and strategic development of real estate. The company offers specific services such as building analysis, energy efficiency assessment, safety and structural integrity checks, as well as the creation of reports and offers for renovations, new constructions and sales of real estate.

Architecture FirmsConversions and RenovationsConstruction ConsultingExecution and Detail Planning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #26
ALEplan Architekturbüro und Immobilien AG Logo

ALEplan Architekturbüro und Immobilien AG

Since 2011 · 1–10 empl.5.0(1)

ALEplan Architekturbüro und Immobilien AG is an architecture and property firm that provides planning, project design and general-planning services for residential, commercial and industrial buildings. The company carries out projects both on commission and as a developer.

Architecture FirmsResidential buildingsCommercial buildingsArchitectural and general planning services
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #27
Barbara Gschwend Architektur.Innenarchitektur GmbH Logo

Barbara Gschwend Architektur.Innenarchitektur GmbH

Since 2014 · 11–20 empl.5.0(1)

Barbara Gschwend Architektur.Innenarchitektur GmbH is an architectural practice providing architecture and interior architecture services. The firm designs and develops residential, multi-family, office and public buildings as well as renovations and additions, and collaborates with specialist planners to realise projects.

Architecture FirmsArchitecture and interior designConversion and renovationNew-build planning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #28
M. Graf Schreinerei, Innenausbau GmbH Logo

M. Graf Schreinerei, Innenausbau GmbH

Since 2020 · 1–10 empl.5.0(3)

The core activity of M. Graf Schreinerei-Innenausbau GmbH is the provision of carpentry services, particularly interior fittings, conversions, window and door installations, furniture manufacturing, cabinet assembly, flooring work and kitchen installations.

Architecture FirmsInterior fit-outConversionsKitchen installations and kitchen worktop covers
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #29
babb. GmbH Logo

babb. GmbH

Since 2020 · 1–10 empl.5.0(1)

babb. GmbH is an architectural and building-contaminant diagnostics practice offering services such as new construction, conversions, extensions, renovations and heritage conservation. It conducts investigations into asbestos, PCB, PAK and heavy metal contamination, provides laboratory testing and technical site management for remediation, and serves clients in eastern Switzerland and Liechtenstein.

Architecture FirmsArchitectureHeritage protection and monument preservationBuilding contaminant diagnostics
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #30
Rimle - Bauplanung GmbH Logo

Rimle - Bauplanung GmbH

Since 2018 · 1–10 empl.5.0(1)

The core activity of RIMLE – BAUPLANUNG GmbH is the provision of architectural and construction planning services, including construction management and owner representation, for private and commercial construction projects in Switzerland.

Architecture FirmsConstruction PlanningFire Protection ConsultingBreak-in Protection Consulting
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #31
mittelholzer architektur Logo

mittelholzer architektur

Since 2017 · 1–10 empl.2.0(1)

mittelholzer architektur is an interior architecture and interior design practice. The practice designs interior spaces and focuses on the relationship between people and their environment.

Architecture FirmsInterior design
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #32
Designknecht GmbH Logo

Designknecht GmbH

Since 2025 · 1–10 empl.

Designknecht GmbH plans interior and spatial concepts for private and business clients. The company also designs and sells custom furniture products and develops furniture concepts together with regional producers.

Architecture FirmsInterior Design and Spatial ConceptsCustom Furniture Design
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #33
Fritz Bodenmann Logo

Fritz Bodenmann

Since 2004 · 1–10 empl.

The core activity of Bodenmann AG is carpentry, particularly the planning and implementation of interior fittings, including fitted kitchens, bathrooms and wet cells, doors, floors, trade fair and shop construction, as well as outdoor carpentry work.

Architecture FirmsArchitectural services
No score yet
Dietrich Innen Architektur GmbH Logo

Dietrich Innen Architektur GmbH

Since 2012 · 1–10 empl.

The core activity of the company 'DIETRICH INNEN ARCHITEKTUR GmbH' is the provision of architectural and interior design services, in particular for new construction, renovation, renovation or conversion of properties and parcels. This also includes drawing work as a freelancer for architectural and engineering offices.

Architecture FirmsInterior designArchitectureDrafting on behalf
No score yet
KA

KULAG AG

Since 1982 · 1–10 empl.

Architecture Firms
No score yet
TF

Thomas F. Peterer AG

Since 1990 · 1–10 empl.

Architecture Firms
No score yet
HB

Hubert Bischoff Architekturbüro AG

Since 1995 · 1–10 empl.

Architecture Firms
No score yet
AS

Architekturbüro Schoch

Since 1996 · 1–10 empl.

Architecture Firms
No score yet
WI

wabu immo ag

Since 1998 · 1–10 empl.

Architecture Firms
No score yet
US

Ueli Sonderegger GmbH, Dipl. Arch. ETH/SIA

Since 1999 · 1–10 empl.

Architecture Firms
No score yet
AG

Antropoly GmbH

Since 2011 · 1–10 empl.

Architecture Firms
No score yet
AI

ammann innenarchitektur gmbh

Since 2012 · 1–10 empl.

Architecture Firms
No score yet
AD

Architektur Design GmbH

Since 2013 · 1–10 empl.

Architecture Firms
No score yet
ZG

Zweierlei GmbH

Since 2013 · 1–10 empl.

Architecture Firms
No score yet
G+

Gisel + Partner AG

Since 2015 · 1–10 empl.

Architecture Firms
No score yet
WA

Wingarten AG

Since 2015 · 1–10 empl.

Architecture Firms
No score yet
RA

Rupp Architektur GmbH

Since 2015 · 1–10 empl.

Architecture Firms
No score yet
RA

RLC Architekten AG Rheineck, Zweigniederlassung Speicherschwendi

Since 2018 · 1–10 empl.

Architecture Firms
No score yet
KB

Keller Branzanti Architekten AG

Since 2018 · 1–10 empl.

Architecture Firms
No score yet

Architecture Firms in the Canton of Appenzell Outer Rhodes

62Architecture FirmsCommercial register (Zefix) · as of October 12, 2026
2014Median year of registrationCommercial register (Zefix) · as of October 12, 2026
62in the Canton of Appenzell Outer RhodesCommercial register (Zefix) · as of October 12, 2026
12,624in SwitzerlandCommercial register (Zefix) · as of October 12, 2026
Locations

Architecture Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 12, 2026