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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentrySt. StephanZahler Holzbau St. Stephan GmbH
Zahler Holzbau St. Stephan GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Zahler Holzbau St. Stephan GmbH is timber construction, particularly the planning, construction and renovation of wooden buildings, including new buildings, conversions, renovations, thermal renovations, interior fittings, stairs, balconies, railings, terraces and special orders such as chalet construction and mountain construction. In addition, the company also offers sawmill and timber trade services, crane work, transport, contract work and equipment rental.

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Products & services

Industry:Timber Construction & Carpentry
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4.2/5

Zahler Holzbau St. Stephan GmbH

✓ Offered6
Timber construction and carpentry
Timber construction for new builds, conversions and renovations; chalet construction, prefabricated timber elements, interior fit-out, thermal refurbishments, stairs, balconies, railings and terraces.
Sawmill and timber trading
Cutting customer timber and roundwood, processing it into construction timber, sawn goods, boards, cladding and special timber parts and saw work.
Crane services
Crane services for material and element handling on site and for timber construction assembly work.
Transport services
Transport of timber, building materials and construction components related to timber construction, sawmill work and site operations.
Measurement service and 3D building scanner
Precise measurement of rooms, buildings, objects and terrain from inside and outside to support planning and execution.
Dry ice blasting service
Dry ice blasting for refreshing, renewing and cleaning surfaces, including indoor use with low contamination.
Trust & reputation

ranQ Trust Score of Zahler Holzbau St. Stephan GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Zahler Holzbau St. Stephan GmbH scores 79.6 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.81.624%
  • 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.58.610%
  • 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.100.08%
Zahler Holzbau St. Stephan GmbH scores 79.8 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.92.512%
  • 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.55.07%
Zahler Holzbau St. Stephan GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).85.022%
Zahler Holzbau St. Stephan GmbH scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zahler Holzbau St. Stephan GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 9 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Dürrenwaldstrasse 4
3772 St. Stephan
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-133.939.137
Founded
2014 · 12 years
Last commercial register change
January 21, 2020
Employees
1 to 10
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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