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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingAltstätten SgRäss AG
Räss AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Räss AG is a construction company providing roofing, façade and timber-construction services as well as related trades. Its offerings include interior finishing and carpentry, solar installations, scaffolding, maintenance and machine rental, covering services from consultation and planning to execution.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered11
Pitched roofing
Pitched roofing with tiles, fibre cement, sandwich panels, sheet metal or slate; roof windows and dormers, insulation, maintenance, repairs and photovoltaic systems.
Flat roofing
Flat roofing with bituminous waterproofing, insulation, flat roof windows, terrace and balcony sealing, roof gardens, solar systems and maintenance.
Facade works
Facades in wood, slate, fibre cement or sheet metal; thermal insulation, rear ventilation, insulation, noise protection and photovoltaic facades.
Sheet metal roofing work
Sheet metal roofing work for new builds, conversions and renovations around the roof; coordinated overall solutions with roof access and attic windows.
Solar installations
Solar energy systems from project idea through planning and execution to commissioning and performance monitoring.
Roof windows and roof maintenance
VELUX roof windows, window replacement, attic-to-living-space conversions, plus roof cleaning, gutter cleaning, repairs and maintenance.
Hassle-free renovations
Conversions and space planning, modernization of multi-generation homes, building-envelope renovations, photovoltaic systems and grant applications.
Scaffolding
Construction scaffolding for every need.
Carpentry and joinery
Kitchens, fitted wardrobes, furniture and interior fit-out with reclaimed wood or barrel wood; wine-cellar fit-outs and custom furniture.
Timber construction
Timber and element construction, stairs and interior fit-out, new builds and conversions, windows and doors, roof structures, carports and planing services.
Plant and equipment rental
Rental of truck cranes, telehandlers, access platforms, tower cranes, trailers and hook loaders with technical information sheets.
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4.4/5

Räss AG

Trust & reputation

ranQ Trust Score of Räss AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Räss AG scores 85.7 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.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.100.08%
Räss AG scores 89.3 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.70.07%
Räss 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 AG scores 22.4 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Räss 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. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 24 reviews across all connected sources

Sources
GGoogle4.824
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 12, 2025Media
Fokus auf Kernkompetenz: Meile Metallbau übergibt Bedachungen an Räss AG und setzt auf Blechfertigung
rheintaler.ch
September 11, 2025Media
Die Meile Metallbau übergibt Bedachungen an die Räss AG
businessclassost.ch

Knowledge

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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-113.709.605
Founded
2007 · 19 years
Last commercial register change
February 21, 2025
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.70.03%
    • Full methodology

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