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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceSchwarzenburgRobert Weber AG
Robert Weber AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Robert Weber AG is the provision of services in the field of roofing, wall and sealing technology, sheet metal work, lightning protection systems and locksmithing, particularly in the areas of: Roofing (pitched roof, flat roof), solar systems, facade construction, sheet metal work, locksmithing and lightning protection. The company offers these services for new buildings and renovations and places emphasis on comprehensive and solid training of apprentices in the fields of sheet metal work and roofing.

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Offering

Products & services

Industry:Building MaintenanceRoofing
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3.8/5

Robert Weber AG

Sheet Metal Work
✓ Offered8
Roofing
Pitched roof and flat roof work, roof renovations, planning, assessment and implementation for new and existing buildings; complete service for the roof and building envelope.
Solar installations
Integrated photovoltaic systems in the building envelope, roof-top and in-roof systems, solar tiles and solar roofs for new and existing buildings.
Lightning protection
Lightning protection systems for buildings, including advice on equipping residential, commercial and special-purpose buildings.
Facade construction
Facade constructions with multi-layered elements, protection of the building fabric against wind, weather, heat, cold, moisture and noise; Eternit and shingle facades.
Sheet metal work
Sheet metal work with copper, copper-titan zinc, chromium steel, Uginox and Aluman; custom profiles, installation on site, craftsmanship and special solutions.
Roof windows
Installation of roof windows with a clean connection to each roof layer.
Liquid-plastic waterproofing
Waterproofing work for balconies, terraces and staircases, especially during renovations and for difficult connection details.
Chimney refurbishment
Refurbishment of chimneys, including the use of ventilated Eternit cladding.
Trust & reputation

ranQ Trust Score of Robert Weber AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Robert Weber AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Robert Weber 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%
Robert Weber 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%
Robert Weber AG scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Robert Weber AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Feldmoosstrasse 19
3150 Schwarzenburg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.213.974
Founded
1995 · 31 years
Last commercial register change
July 4, 2019
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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