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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionRuswilRubag Ruswiler Bau AG
Rubag Ruswiler Bau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ruswiler Bau AG (RUBAG) is construction and civil engineering. They build structures for private individuals, commerce, agriculture and institutional investors, and offer all civil engineering services, except for mechanical pavement installation.

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Offering

Products & services

Industry:Building ConstructionCivil EngineeringSite Preparation
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4.0/5

Rubag Ruswiler Bau AG

✓ Offered3
Building construction
Building projects of all kinds for private clients, business, agriculture and institutional investors.
Civil engineering
Civil engineering works with earthworks, sewer systems, utility line construction and retaining stone walls; excl. mechanised pavement installation.
Core drilling
Core drilling up to a diameter of 300 mm with our own core drilling rigs.
Trust & reputation

ranQ Trust Score of Rubag Ruswiler Bau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Rubag Ruswiler Bau AG scores 57.7 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.57.924%
  • 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.78.08%
Rubag Ruswiler Bau AG scores 90.9 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.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.70.07%
Rubag Ruswiler Bau AG 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%
Rubag Ruswiler Bau AG scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rubag Ruswiler Bau AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rüediswilerstrasse 74
6017 Ruswil

At a glance

Legal form
Corporation
UID
CHE-107.274.384
Founded
1994 · 32 years
Last commercial register change
May 27, 2026
Employees
11 to 20
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.85.03%
    • Full methodology

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