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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber constructionAltstätten SgRäss Holzbau AG
Räss Holzbau AG Logo
Verified· 3 sourcesTrust Score4.4/5

Räss Holzbau AG

Summary

About the company

Räss Holzbau AG is a carpentry and timber construction business offering services from consultation and planning through to turnkey completion. Its work includes new builds and conversions, interior fit-outs, stairs, windows and doors, roof structures, and carports.

AI-generated
Presence

Service area

Active in 1 of 26 cantons · 1 municipality

  • SGAltstätten
Offering

Products & services

Industry:Timber construction
✓ Offered8
Timber construction
Timber and prefabricated element construction, new builds and conversions, stair and interior fit-out, windows and doors, roof structures, carports, and planing services.
Conversion and renovation works
Change of use and space planning, modernisation of multi-generation homes, building-envelope renovation, photovoltaic systems, and subsidy applications.
Flat roof works
Bituminous waterproofing, thermal insulation, flat-roof windows, terrace and balcony sealing, roof garden design, solar systems, maintenance and roof inspections.
Pitched roof works
Tile, fibre-cement, sandwich-panel, metal and slate roofs, roof windows and dormers, thermal insulation, roof maintenance, roof repairs, and photovoltaic systems.
Facade works
Wood, slate, fibre-cement and metal façades, thermal insulation, rear ventilation, insulation, noise protection, and photovoltaic façades.
Roof window and roof maintenance
VELUX roof windows, window replacement, window combinations, roof cleaning and maintenance service, gutter cleaning, roof repairs, and wasp nest removal.
Solar systems
Planning, installation, commissioning and performance monitoring of roof-mounted solar systems, including individual advice and tailored solutions.
Joinery and interior fit-out works
Kitchens, fitted wardrobes and furniture, wall cladding in reclaimed or façade timber, wine cellar fit-outs, and custom interior finishes.
Trust & reputation

ranQ Trust Score of Räss Holzbau AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Räss Holzbau AG scores 84.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValue
Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from across all connected sources

Comparisons

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Location

Tiefenackerstrasse 60
9450 Altstätten Sg
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:30
Tue
07:30 - 11:45, 13:30 - 17:30
Wed
07:30 - 11:45, 13:30 - 17:30
Thu
07:30 - 11:45, 13:30 - 17:30
Fri
07:30 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-314.392.481
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Weight
  • 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.82.624%
  • 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.81.910%
  • 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.95.08%
Räss 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%
  • 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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
Räss Holzbau AG 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%
Räss Holzbau AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Räss Holzbau AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 24 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. Full methodology

24 reviews
Sources
GGoogle4.824
★TrustpilotSoon
PProvenExpertSoon

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

Founded
2011 · 15 years
Last commercial register change
February 21, 2025
Employees
1 to 10

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