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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionHefenhofenSTUTZ AG Bauunternehmung
STUTZ AG Bauunternehmung Logo
Verified· 4 sourcesTrust Score
Summary

About the company

STUTZ AG Bauunternehmung is a construction company providing building construction, civil and specialist foundation works, and complementary services including hazardous-material remediation, structural protection, timber construction, refurbishment, and project and construction management.

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Offering

Products & services

Industry:Building Construction
✓ Offered
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4.3/5

STUTZ AG Bauunternehmung

10
Building construction
Building services and client work, residential construction, commercial and industrial buildings, public building construction, façade construction.
Conversion & renovation
Masonry work, renovation of old buildings, bathroom refurbishments, conversions and extensions, repairs to façades and walls, historic plasterwork, building trades in monument preservation.
Civil engineering
Excavations, general civil engineering works, infrastructure civil engineering.
Special deep construction
Micropiles, ground anchors, soil nailing, shotcrete works, ground injections, filter wells, slope stabilisation, hillside stabilisation, rockfall protection, Rühl walls.
Engineering civil works
Infrastructure construction, transport and traffic works, bridge construction, asset preservation, rehabilitation while traffic remains in operation.
Hazardous substance remediation
Asbestos remediation with analysis, concepts and execution.
Timber construction
Conversions, storey additions, attic conversions, timber lining, drylining walls, carpentry and joinery works, insulation.
Building protection
Structural shotcrete, repair of concrete and exposed concrete, waterproofing, floor and wall coatings, concrete drilling and cutting, fire stopping, rebar detection.
Tiling work
Tiling work, natural stone work, building service, client work.
Project and construction management
Real estate projects, construction consulting, site management, construction management.
Trust & reputation

ranQ Trust Score of STUTZ AG Bauunternehmung: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

STUTZ AG Bauunternehmung scores 65.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.59.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.70.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
STUTZ AG Bauunternehmung scores 97.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.90.07%
STUTZ AG Bauunternehmung scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
STUTZ AG Bauunternehmung scores 73.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.46.74%
Qualifications+0.00

STUTZ AG Bauunternehmung reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 15 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.115
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

September 24, 2025Media
Die Stutz AG wird 100 – und die Familie baut weiter
luzernerzeitung.ch
October 13, 2021Media
Stutz übernimmt Dieziger
leaderdigital.ch
October 11, 2021Media
Stutz AG übernimmt St.Galler Bauunternehmung W. Dieziger AG
tagblatt.ch
August 19, 2016Media
Aemisegger AG regelt die Nachfolge
appenzellerzeitung.ch

Knowledge

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Location

Romanshornerstrasse 261
8580 Hefenhofen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.091.814
Founded
1963 · 63 years
Last commercial register change
August 21, 2026
Employees
51 to 100
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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