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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction managerAltstätten Sgbau3werk gmbh
bau3werk gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

bau3werk gmbh provides construction management, building planning and site supervision. Its services include planning and coordinating construction projects and monitoring their costs, schedules and quality.

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Presence

Service area

Offering

Products & services

Industry:Construction manager
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3.9/5

bau3werk gmbh

✓ Offered
3
Construction management
Construction management for building projects in collaboration with architects, specialist planners and contractors; planning and delivery with a focus on schedule, costs and quality.
Building planning
Building planning from the first step to project completion; development of the building project according to the client’s and legal requirements, preparation of design drawings and permit-ready projects.
Construction site management
Construction site management for smooth delivery of construction projects; coordination and control of the involved contractors, as well as ongoing monitoring of budget, schedules and quality.
Trust & reputation

ranQ Trust Score of bau3werk gmbh: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

bau3werk gmbh scores 59.3 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.75.024%
  • 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.40.910%
  • 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.35.08%
bau3werk gmbh scores 75.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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.55.07%
bau3werk gmbh scores 86.7 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).86.722%
bau3werk gmbh scores 10.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

bau3werk gmbh reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Höhe Gätziberg 4
9450 Altstätten Sg

At a glance

Legal form
Limited Liability Company
UID
CHE-174.560.752
Founded
2017 · 9 years
Last commercial register change
November 14, 2017
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGAltstätten
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.
88.0
6%
  • 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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