Building Construction in the
Canton of Appenzell Outer Rhodes

55 companies in Building Construction based in the Canton of Appenzell Outer Rhodes — name and year of registration from the commercial register.

Companies

50 of 55 companies

Bauunternehmung Mettler & Tanner AG Logo

Bauunternehmung Mettler & Tanner AG

Since 2010 · 21–50 empl.4.5(18)

The company's core activity is providing services in the construction industry, particularly in the areas of: building renovation and conversion, new building construction, sealing and plastering work, balcony renovation, static reinforcement, environmental design, and consulting and construction management. The company also offers specialized services such as core drilling and dust-free renovation.

Building ConstructionNew constructionRenovationRefurbishment
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
BK Frei GmbH Logo

BK Frei GmbH

Since 2013 · 1–10 empl.4.6(20)

BK Frei GmbH is a construction company providing road and civil engineering works and specialist deep foundation services, including sewer and utility installation, concrete surfacings, earthworks and retaining/anchoring solutions such as anchors, micropiles, bored piles and groundwater lowering.

Building ConstructionRoad and civil engineeringSpecial deep foundation work
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Zimmermann AG Logo

Zimmermann AG

Since 1993 · 51–100 empl.4.9(7)

Zimmermann AG is a construction company providing road construction, civil and specialized civil engineering services. Its services include water engineering, landscaping and garden construction, demolition, recycling and material processing, and container and transport services.

Building ConstructionBuilding constructionSkips service
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Niederer AG Logo

Niederer AG

Since 2008 · 11–20 empl.4.6(9)

Niederer AG is a construction company within the HUKA‑Baupool providing building and civil engineering services. Its activities listed on the site include new builds, conversions and renovations, tendering and planning support, public buildings, residential, office and commercial construction, and exposed-concrete work.

Building ConstructionAbove- and below-ground constructionHousing construction: single- and multi-family homesConversions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
STUTZ AG Bauunternehmung, Zweigniederlassung Speicher Logo

STUTZ AG Bauunternehmung, Zweigniederlassung Speicher

Since 2020 · 51–100 empl.4.1(15)

STUTZ AG Bauunternehmung, Zweigniederlassung Speicher is a construction company offering building construction, civil engineering and specialist deep foundation services. Its scope of services includes building protection, demolition and groundworks, timber construction, renovations, and project and construction management.

Building ConstructionBuilding constructionConversion & renovationProjects and building management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
STUTZ AG Bauunternehmung, Zweigniederlassung Herisau Logo

STUTZ AG Bauunternehmung, Zweigniederlassung Herisau

Since 2020 · 51–100 empl.4.1(15)

STUTZ AG Bauunternehmung, Zweigniederlassung Herisau is a branch of STUTZ AG and part of the group's civil engineering (Tiefbau) operations. It delivers construction and engineering services from the STUTZ offering, including general civil engineering, specialist deep‑foundation work, demolition and groundwork, building construction, structural protection and project/ construction management.

Building ConstructionBuilding constructionConversion & renovationBuilding refurbishments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Ernst Künzler AG Hoch- und Tiefbau Walzenhausen Logo

Ernst Künzler AG Hoch- und Tiefbau Walzenhausen

Since 1989 · 1–10 empl.

The core activity of Ernst Künzler AG is the execution of construction and renovation work, including masonry, conversions, renovations, excavation and crane services as well as civil engineering and construction.

Building ConstructionConstruction contractorConversionRenovation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
STRUBA AG Logo

STRUBA AG

Since 2008 · 1–10 empl.

The core activity of Struba AG is the planning, budgeting, renovation and construction of buildings, particularly residential houses. This also includes the restoration and conversion of old buildings, as well as the evaluation and appraisal of real estate.

Building ConstructionPlanning and budgetingConstruction, conversion and renovationValuations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
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 #9
Wenk AG Wald Logo

Wenk AG Wald

Since 2019 · 11–20 empl.

Wenk AG Wald is a construction firm active in building construction and civil engineering, providing services such as residential and commercial construction, renovations, excavation and foundations, utility and shaft construction, retaining walls, and demolition and disposal.

Building ConstructionAbove-ground constructionUnderground construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Albert Mohn Baugeschäft Logo

Albert Mohn Baugeschäft

Since 2012 · 1–10 empl.5.0(6)

The core activity of Albert Mohn Baugeschäft is the execution of construction and civil engineering works, particularly in the areas of masonry, natural stone and exposed brickwork, exposed concrete and composite stones.

Building ConstructionBuilding and civil engineering workMasonry work and customer masonry workConcrete work and exposed concrete
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
Andreas Graf AG Logo

Andreas Graf AG

Since 2009 · 1–10 empl.5.0(6)

The core activity of Andreas Graf AG is construction and civil engineering, particularly providing services in the field of construction, housing, stonework and environment, including masonry, plastering, road construction and all-rounder works.

Building ConstructionBuilding constructionCivil engineeringExterior works
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #12
appenzellerbau ag Logo

appenzellerbau ag

Since 2003 · 51–100 empl.3.7(3)

The company's core activity is the execution of master builder works, particularly in high-rise construction, renovation, façade work, panel work and exposed concrete work. The company also offers additional services such as customer work and consulting.

Building ConstructionBuilding constructionExposed concreteConversions and renovations
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #13
Graf Bau Rehetobel AG Logo

Graf Bau Rehetobel AG

Since 2012 · 1–10 empl.5.0(2)

The core activity of Graf Bau Rehetobel AG encompasses the provision of construction services in building construction and civil engineering, including: Building construction: Construction of buildings, both residential and commercial, using exposed concrete or masonry. Civil engineering: Execution of excavation work, pipeline construction, retaining walls, sewage systems and other civil engineering work. Renovation: Planning and execution of renovation projects. Demolition: Dismantling of buildings and facilities. Earthworks: Execution of earthworks, including excavation work and other civil engineering work. Additional services: Customer-specific masonry work, snow removal, transportation and crane work. The company positions itself as a reliable partner in building construction and civil engineering, offering a wide range of construction services.

Building ConstructionBuilding constructionCivil engineeringRenovation and extensions
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #14
Gebag AG Logo

Gebag AG

Since 1977 · 11–20 empl.5.0(1)

Gebag AG is a general contractor for construction services and project planning, providing consultation, planning, site management, and new-build, renovation and conversion works. Its services also include bathroom fitting, demolition and waste disposal, solar installations, and offerings related to properties.

Building ConstructionGeneral contractorTotal contractorConstruction planning
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #15
Fehr Bau GmbH Logo

Fehr Bau GmbH

Since 2023 · 1–10 empl.

Fehr Bau GmbH carries out masonry work, renovations, demolition work, and outdoor construction work. The company also provides building and civil engineering services, core drilling, and trench and utility line construction.

Building ConstructionMasonry and plastering workExternal worksBuilding and civil engineering works
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #16
Sonderegger Hoch- und Tiefbau AG Logo

Sonderegger Hoch- und Tiefbau AG

Since 2023 · 11–20 empl.

The core activity of Sonderegger Hoch- und Tiefbau AG is the execution of construction and civil engineering works, including stonework, building construction and civil engineering.

Building ConstructionBuilding constructionCivil engineeringDemolition work
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #17
Schefer Hoch- und Tiefbau AG Logo

Schefer Hoch- und Tiefbau AG

Since 2006 · 1–10 empl.5.0(1)

Schefer Hoch- und Tiefbau AG provides consulting and building and civil engineering services. Work listed on the website includes excavation, demolition and dismantling, new construction and renovations, roadworks, sewer and drainage works, embankment and stream stabilization, and masonry and cellar repairs.

Building ConstructionConsultingExcavationDemolition and dismantling
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #18
ZB

Züst Bau AG

Since 2002 · 1–10 empl.5.0(2)

Building Construction
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #19
Schläpfer Bauleistungen GmbH Logo

Schläpfer Bauleistungen GmbH

Since 2015 · 1–10 empl.5.0(1)

The core activity of Schläpfer Bauleistungen GmbH is the provision of freelance services in the field of road and civil engineering, particularly through the placement of qualified specialists such as construction machinery operators, pavers and surface finishers.

Building ConstructionConstruction supervisionOperating construction machineryForeman services in road and civil engineering
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #20
Handwerker-Team D. Meier Logo

Handwerker-Team D. Meier

Since 2023 · 1–10 empl.

The company "Handwerker-Team David Meier" specializes in craftsmanship services, particularly in services typically provided by skilled craftsmen, such as renovations, repairs, conversions, and new constructions.

Building ConstructionTimber constructionTimber framing carpentryBuilding maintenance
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #21
a2 Hausbau GmbH Logo

a2 Hausbau GmbH

Since 2005 · 1–10 empl.

The core activity of a2-Hausbau GmbH is the construction and development of residential houses and housing estates.

Building ConstructionBuilding construction
No score yet
Bau Wächter GmbH Logo

Bau Wächter GmbH

Since 2020 · 1–10 empl.

Bau Wächter GmbH carries out construction and renovation of cottages, villas, offices and apartments and provides planning and execution services. Its services include architecture and design, 3D visualization, foundations and waterproofing, structural work and roofing, installation of utilities, finishing works, bespoke furniture production, landscaping and window installation.

Building ConstructionConstruction and renovation of holiday homes, villas, offices and apartmentsArchitecture and designMasonry and building works
No score yet
F&N Tragwerk GmbH Logo

F&N Tragwerk GmbH

Since 2017 · 1–10 empl.

Building Construction
No score yet
WA

Walter Allmendinger-Rohrbach, Baugeschäft

Since 1986 · 1–10 empl.

Building Construction
No score yet
SA

Sutter AG, Appenzell

Since 1993 · 1–10 empl.

Building Construction
No score yet
VS

Vita SmartHome AG

Since 1998 · 1–10 empl.

Building Construction
No score yet
OA

Osterwalder Akkordunternehmung

Since 1998 · 1–10 empl.

Building Construction
No score yet
FD

F. Dörig

Since 2001 · 1–10 empl.

Building Construction
No score yet
RA

Rosch am Weier GmbH

Since 2004 · 1–10 empl.

Building Construction
No score yet
BM

Bruno Mohn Bauunternehmung GmbH

Since 2006 · 1–10 empl.

Building Construction
No score yet
DS

D&A Schalungen GmbH

Since 2007 · 1–10 empl.

Building Construction
No score yet
EP

Eugster Peter Kundenmaurer GmbH

Since 2008 · 1–10 empl.

Building Construction
No score yet
SG

Sanobau GmbH

Since 2008 · 1–10 empl.

Building Construction
No score yet
MA

manuinvest ag

Since 2011 · 1–10 empl.

Building Construction
No score yet
ZG

ZOTTI GROUP GmbH

Since 2013 · 1–10 empl.

Building Construction
No score yet
SS

Sanus Swiss AG

Since 2016 · 1–10 empl.

Building Construction
No score yet
RI

Rossfall Immobilien AG

Since 2016 · 1–10 empl.

Building Construction
No score yet
FT

F&N Tragwerk GmbH

Since 2018 · 1–10 empl.

Building Construction
No score yet
BA

Bimarico AG

Since 2018 · 1–10 empl.

Building Construction
No score yet
LG

Lucio GmbH

Since 2020 · 1–10 empl.

Building Construction
No score yet
DG

DWB GmbH

Since 2021 · 1–10 empl.

Building Construction
No score yet
TK

TM Kundenmaurer Taolant Mazreku

Since 2021 · 1–10 empl.

Building Construction
No score yet
DG

Dergo GmbH

Since 2021 · 1–10 empl.

Building Construction
No score yet
SA

SAUBÄR AG

Since 2022 · 1–10 empl.

Building Construction
No score yet
CI

CALPA Immoinvest AG

Since 2022 · 1–10 empl.

Building Construction
No score yet
MZ

M. Zenuni Bau GmbH

Since 2022 · 1–10 empl.

Building Construction
No score yet
RI

Runca Immo AG

Since 2022 · 1–10 empl.

Building Construction
No score yet
CA

Casado-ing AG

Since 2023 · 1–10 empl.

Building Construction
No score yet
SB

Schrepfer Bau AG

Since 2023 · 1–10 empl.

Building Construction
No score yet

Building Construction in the Canton of Appenzell Outer Rhodes

55Building ConstructionCommercial register (Zefix) · as of October 10, 2026
2016Median year of registrationCommercial register (Zefix) · as of October 10, 2026
55in the Canton of Appenzell Outer RhodesCommercial register (Zefix) · as of October 10, 2026
5,345in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Building Construction in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026

Largest places

Herisau12Heiden5Gais5