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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingHerisaugiger + forrer gmbh
giger + forrer gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

giger + forrer gmbh is a roofing company providing construction and maintenance services for roofs and façades, including pitched and flat roofs, roof windows and sheet‑metal work. The company also offers maintenance services, VELUX servicing, energy advice and photovoltaic installations.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered2
Pitched roof
Pitched roofs, re-roofings and renovations; roof conversions, thermal insulation, roof windows, photovoltaic systems and maintenance of pitched roofs.
Flat roof
Flat roofs, new build and renovations; bituminous flat roofs, thermal insulation, green flat roofs, terraces, solar systems and maintenance.
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4.1/5

giger + forrer gmbh

Trust & reputation

ranQ Trust Score of giger + forrer gmbh: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

giger + forrer gmbh scores 72.0 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.67.924%
  • 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.68.910%
  • 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.88.08%
giger + forrer gmbh scores 78.2 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.79.212%
  • 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%
giger + forrer gmbh scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
giger + forrer gmbh scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

giger + forrer gmbh reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 14 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
4.4
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.414
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rütiwaldstrasse 12
9100 Herisau
Opening hours
Mon
06:30 - 17:30
Tue
06:30 - 17:30
Wed
06:30 - 17:30
Thu
06:30 - 17:30
Fri
06:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-466.606.750
Founded
2018 · 8 years
Last commercial register change
August 26, 2024
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.
76.0
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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