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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingOberbürenRossi Dach AG
Rossi Dach AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Rossi Dach AG is a building-envelope company focused on roofing, façades, sheet metal work, lightning protection, and photovoltaic and solar systems. The company also provides maintenance and servicing for roofs and building envelopes.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered5
Roofing
Pitched roofs, flat roofs, metal roofs and roof windows; installation, renovation and work on the building envelope.
Photovoltaics/Solar
Photovoltaic systems and solar systems, including installation as part of the building envelope.
Facade
Facade construction and facade work for different types of the building envelope.
Sheet metal work/Lightning protection
Sheet metal work, sheet metal connections and lightning protection systems for roofs and building envelopes.
Maintenance
Periodic roof and facade inspections, cleaning, care and minor maintenance work on request or under a maintenance contract.
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4.1/5

Rossi Dach AG

Trust & reputation

ranQ Trust Score of Rossi Dach AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Rossi Dach AG scores 78.4 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.82.524%
  • 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.61.010%
  • 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.88.08%
Rossi Dach AG scores 79.5 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.70.212%
  • 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.82.07%
Rossi Dach 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%
Rossi Dach AG scores 8.6 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Rossi Dach AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 10 customer reviews. 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 9, 2026Media
Geschäftsübergabe und Nachfolge der Rossi Dach AG Oberbüren
uzwil24.ch

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Comparisons

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Location

Bürerfeld 14
9245 Oberbüren
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:30
Tue
08:00 - 12:00, 13:00 - 17:30
Wed
08:00 - 12:00, 13:00 - 17:30
Thu
08:00 - 12:00, 13:00 - 17:30
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-159.830.306
Founded
2020 · 6 years
Last commercial register change
December 8, 2025
Employees
21 to 50
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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