Building contractor in
St. Gallen

39 companies in Building contractor based in St. Gallen — name and year of registration from the commercial register. The list below shows them all.

Companies

All 39 companies in St. Gallen

A. Müller AG Logo

A. Müller AG

Since 2019 · 11–20 empl.4.7(21)

A. Müller AG is a construction company working in building construction and sports and resin flooring. Its services include renovations and new builds, façade and concrete restoration, hazardous-material surveys and remediation, and seamless flooring for sports, industrial and residential areas.

Building contractorBuilding constructionSeamless resin floorings
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
STUTZ AG Bauunternehmung, Zweigniederlassung St. Gallen Logo

STUTZ AG Bauunternehmung, Zweigniederlassung St. Gallen

Since 2020 · 101–500 empl.4.1(15)

STUTZ AG Bauunternehmung, Zweigniederlassung St. Gallen is a construction company active in building construction. Its services include residential, commercial, industrial and public buildings, as well as renovations, alterations and project management; other areas include civil and specialist civil engineering, road construction and demolition.

Building contractorBuilding constructionConversion & renovationRefurbishments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
SikaBau AG Logo

SikaBau AG

Since 2000 · 1–10 empl.4.5(4)

SikaBau AG is a specialist company for waterproofing, building protection and structural repair. It carries out specialist work in above- and below-ground construction and provides services such as liquid-applied and sheet waterproofing, concrete repair, corrosion protection, injections, floor and wall coatings, reservoir/tunnel/bridge waterproofing and engineered systems like Weisse Wanne and Gelbe Wanne.

Building contractorWaterproofingStructural renovation and building rehabilitationBuilding protection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
AZ Armierungen AG Logo

AZ Armierungen AG

Since 2005 · 11–20 empl.4.4(8)

AZ Armierungen AG is a construction company that carries out reinforcement work for building and civil engineering projects. Its services include installing and fixing reinforcement according to construction plans and structural specifications, as well as providing site support and labor for additional work.

Building contractorReinforcement worksDaywork site support
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Bruderer Bau AG Logo

Bruderer Bau AG

Since 2015 · 1–10 empl.4.6(9)

Bruderer Bau AG is a construction company specialising in building construction, alterations, repairs and renovations. It also undertakes bridge construction and smaller repair and alteration jobs through its customer service team.

Building contractorAbove-ground constructionRenovationRenovation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Peter Büchel AG Logo

Peter Büchel AG

Since 1979 · 51–100 empl.5.0(2)

The core activity of Peter Büchel AG is the installation of reinforcement and armoring in the construction industry.

Building contractorInstalling reinforcementEngineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
BWT Bau AG, Zweigniederlassung St. Gallen Logo

BWT Bau AG, Zweigniederlassung St. Gallen

Since 2013 · 101–500 empl.

BWT Bau AG, Zweigniederlassung St. Gallen is a construction company working on new builds, conversions and renovations. Its services also include hazardous-material and concrete remediation, as well as concrete drilling and cutting.

Building contractorGeneral contractorConcrete drilling + millingHazardous substance remediation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Krämer Bau AG St.Gallen Logo

Krämer Bau AG St.Gallen

Since 2005 · 21–50 empl.

Krämer Bau AG St.Gallen is a construction company. The website is currently under construction and does not provide further information about services or activities.

Building contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
felix hausbau GmbH Logo

felix hausbau GmbH

Since 2018 · 1–10 empl.

The core activity of Felix Hausbau AG is the planning, execution and sale of residential houses, including consulting, interior design, landscaping and the realization of individual living dreams.

Building contractorAdvice and planning of single-family homesConstruction of solid housesSale of dream homes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
BauWerkTeam GmbH Logo

BauWerkTeam GmbH

Since 2019 · 1–10 empl.5.0(4)

The core activity of BauWerkTeam GmbH is the provision of services in the field of construction, particularly in building construction, civil engineering and planning.

Building contractorBuilding constructionCivil engineeringPlanning
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
Rhomberg Bau AG Logo

Rhomberg Bau AG

Since 2005 · 500+ empl.2.6(13)

Rhomberg Bau AG is a construction company that plans and carries out building and civil engineering projects and acts as a general and total contractor. Its activities also include refurbishment, timber and system construction, property development, building materials and recycling, and property management.

Building contractorGeneral and total contractorBuilding constructionCivil engineering
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #11
Campi AG Logo

Campi AG

Since 1991 · 1–10 empl.5.0(3)

The core activity of Campi AG is the execution of demanding conversions, renovations, customer work and smaller new buildings in the field of civil engineering and construction.

Building contractorRenovations/RefurbishmentsConversion worksClient and site works
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #12
Brändle Immobilien GmbH Logo

Brändle Immobilien GmbH

Since 2006 · 1–10 empl.3.2(30)

Brändle Immobilien GmbH is a real estate company that carries out rentals as well as renovations and conversions of its own properties. The company performs maintenance and administrative property‑management tasks and undertakes renovations that respect the style of old town houses.

Building contractorProperty management
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #13
Bischof Hoch- & Tiefbau AG Logo

Bischof Hoch- & Tiefbau AG

Since 1973 · 1–10 empl.

Bischof Hoch- & Tiefbau AG carries out building and civil engineering work. Its services include new construction, conversions and renovations, as well as excavation, earthworks, sewer and utility-line construction, and paving.

Building contractorBuilding constructionCivil engineering
No score yet
Pfändler Bau AG Logo

Pfändler Bau AG

Since 2015 · 1–10 empl.

Pfändler Bau AG is a construction company carrying out civil engineering and building work. Its services include excavation, sewer and utility lines, road and paving work, retaining walls, outdoor-area construction, renovations and alterations.

Building contractorCivil engineeringClient worksRetaining walls
No score yet
Visario GmbH Logo

Visario GmbH

Since 2020 · 1–10 empl.

Visario GmbH provides renovation services and carries out painting, plastering and drywall work, complemented by consulting, project support and professional 3D visualizations.

Building contractorRenovation / core refurbishmentPainting works / Drywall / PlasteringConsulting
No score yet
Terrazzano AG Logo

Terrazzano AG

Since 2019 · 1–10 empl.

Building contractor
No score yet
HS

Handels-Aktiengesellschaft St. Gallen

Since 1969 · 1–10 empl.

Building contractor
No score yet
DI

DOMUS Iskafols AG

Since 1972 · 1–10 empl.

Building contractor
No score yet
GH

Gebr. H. u. R. Lutz

Since 1980 · 1–10 empl.

Building contractor
No score yet
AA

Allotec AG

Since 1991 · 1–10 empl.

Building contractor
No score yet
A

Aepli-Bau

Since 1997 · 1–10 empl.

Building contractor
No score yet
SA

Selectivbau AG

Since 2005 · 1–10 empl.

Building contractor
No score yet
TB

Trend Bau Markovic

Since 2008 · 1–10 empl.

Building contractor
No score yet
AT

Aurea terra GmbH

Since 2009 · 1–10 empl.

Building contractor
No score yet
SG

Sterona GmbH

Since 2009 · 1–10 empl.

Building contractor
No score yet
JA

Jung AG St. Gallen

Since 2019 · 1–10 empl.

Building contractor
No score yet
FB

Frischknecht Bau AG

Since 2020 · 1–10 empl.

Building contractor
No score yet
RD

roox D&C GmbH

Since 2020 · 1–10 empl.

Architect
No score yet
AA

appenzellerbau ag

Since 2021 · 1–10 empl.

Building contractor
No score yet
HG

HARMAN-Bau GmbH

Since 2021 · 1–10 empl.

Building contractor
No score yet
EG

Edelwhite GmbH

Since 2021 · 1–10 empl.

Building contractor
No score yet
JD

jbn Decorbeläge GmbH

Since 2022 · 1–10 empl.

Building contractor
No score yet
MS

MS Schalungs- und Hochbau GmbH

Since 2022 · 1–10 empl.

Building contractor
No score yet
LG

Lionimmo GmbH

Since 2023 · 1–10 empl.

Building contractor
No score yet
GB

GA Bauprojektmanagement GmbH

Since 2023 · 1–10 empl.

Building contractor
No score yet
GM

GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG BAUUNTERNEHMEN MESHREHIONHLOBALBUD, Kiew, Zweigniederlassung St. Gallen

Since 2023 · 1–10 empl.

Building contractor
No score yet
AG

ADILO GmbH

Since 2025 · 1–10 empl.

Building contractor
No score yet
LK

L.N. Koller AG

Since 2026 · 1–10 empl.

Building contractor
No score yet

Building contractor in St. Gallen

39Building contractorCommercial register (Zefix) · as of November 6, 2026
2015Median year of registrationCommercial register (Zefix) · as of November 6, 2026
384in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
5,330in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

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