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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceAltstätten SgRäss Group AG
Räss Group AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Räss Group AG provides services in roofing, façades and timber construction. Its portfolio includes renovations, conversions, flat roofs, pitched roofs, façade work, carpentry, sheet metal work, solar installations, scaffolding, roof maintenance and machinery rental.

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Offering

Products & services

Industry:Building MaintenanceConstruction & Project Management
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Räss Group AG

Timber Construction & Carpentry
Holding Companies
✓ Offered10
Renovation and Conversion Works
Renovations, modernisations, conversions and space planning; building-envelope refurbishment, energy advice, photovoltaic systems and subsidy applications.
Flat Roof Works
Flat roofs with bituminous waterproofing, thermal insulation, flat-roof windows, terrace and balcony waterproofing, roof-garden design, solar systems and maintenance.
Pitched Roof Works
Pitched roofs with tiles, Eternit, sandwich panels, sheet metal or slate; roof windows and dormers, thermal insulation, maintenance, repairs and photovoltaic systems.
Facade Works
Facades in wood, slate, Eternit or sheet metal; thermal insulation, ventilated construction, insulation, sound protection and photovoltaic facades.
Timber Construction
Timber and prefabricated element construction, stairs and interior fit-out, new builds and conversions, windows and doors, roof structures, carports and planing work.
Sheet Metal Roofing Works
Sheet metal work on roofs and facades, custom fabrication, and precise connections and protection solutions in metal.
Solar Installations
Planning, installation and commissioning of solar systems, including performance checks and tailored solutions for roofs.
Carpentry and Joinery Works
Kitchens, fitted wardrobes, furniture, wall cladding, reclaimed-wood and façade-wood solutions, plus wine-cellar fit-out and interior finishing.
Scaffolding
Scaffolding for renovations and other construction projects, configured to match the building and project requirements.
Roof Maintenance and Roof Windows (VELUX)
Roof inspections, roof cleaning, gutter cleaning, roof repairs, wasp-nest removal, bird boards and VELUX window solutions.
Trust & reputation

ranQ Trust Score of Räss Group AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of October 2026

Räss Group AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Räss Group AG scores 53.4 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.25.012%
  • 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%
Räss Group AG scores 83.3 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).83.322%
Räss Group 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 Group AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Tiefenackerstrasse 60
9450 Altstätten Sg

At a glance

Legal form
Corporation
UID
CHE-269.481.567
Founded
2025 · 1 year
Last commercial register change
August 15, 2025
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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