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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceAltstätten SgEugster Holzbau AG
Eugster Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Eugster Holzbau AG is the provision of carpentry, joinery and interior construction services, including: carpentry, joinery, interior construction, conversions, new constructions, renovations, window and door construction, staircase construction, parquet work and wood packaging. The company has been offering these services in the St. Gallen Rhine Valley since 1945 and positions itself as a specialist for timber construction and interior construction.

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Offering

Products & services

Industry:Building MaintenanceInterior Construction
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3.9/5

Eugster Holzbau AG

Timber Construction & Carpentry
✓ Offered7
Alterations & Renovations
Complete project planning and design of carpentry work for alterations and renovations; processing of floors, ceilings and walls as well as specialist fields floors, ceilings, walls, stairs, facades and comprehensive refurbishments.
New Builds
Complete project planning and design of carpentry work for new builds; roof trusses, prefabricated element construction, staircases, furniture, carports and sheds.
Cabinetmaking
Furniture, built-in wardrobes, cloakrooms, tables and bathroom furniture for new builds as well as alterations and renovations.
Window Installation
Installation of wooden windows, wood-aluminium windows and plastic windows as well as interior doors and exterior doors for new builds and alterations.
Stair Construction
Built-in staircases and screed stairs for new builds as well as alterations and renovations.
Parquet Flooring
Floor coverings and staircases made of parquet, laminate, vinyl and cork for new builds as well as alterations and renovations.
Wood Packaging
Wooden transport crates in all sizes as well as pallets in all sizes and shapes.
Trust & reputation

ranQ Trust Score of Eugster Holzbau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Eugster Holzbau AG scores 53.8 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.70.824%
  • 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.27.910%
  • 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%
Eugster Holzbau AG scores 85.5 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.55.07%
Eugster Holzbau AG scores 85.0 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).85.022%
Eugster Holzbau AG scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eugster Holzbau AG 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bafflesstrasse 35
9450 Altstätten Sg

At a glance

Legal form
Corporation
UID
CHE-101.568.870
Founded
1975 · 51 years
Last commercial register change
September 28, 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.
100.0
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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