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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingBiberistSchafer Works AG
Schafer Works AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schafer Works AG encompasses skilled craftsmanship services in the following areas: Roofing services (Roof Installation, Roof Repair, Leak Repair), Carpentry, and Installation of Photovoltaic Systems (PV Systems). The company offers individual consulting, reliable execution, and a network of regional partners for these services.

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Offering

Products & services

Industry:Roofing
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3.7/5

Schafer Works AG

✓ Offered4
Photovoltaic systems & solar systems
Turnkey PV systems for private homes, agriculture and businesses; planning, installation, commissioning, battery storage, charging stations for electric vehicles, environmental systems, funding check.
Roofing work
Pitched-roof work for new builds and renovations; insulation and thermal insulation, installation and replacement of roof windows, maintenance contracts, emergency repairs for storm damage, general repair work.
Solar carport
Turnkey solar carports with weather protection, PV modules, wallbox, battery storage and installation; solutions for private homes, business premises and parking areas.
Carpentry work & interior fit-out
Renovations and conversions with individual room concepts, furniture, built-in wardrobes, partition walls, doors, windows, parquet, laminate, terrace flooring and exterior structures.
Trust & reputation

ranQ Trust Score of Schafer Works AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Schafer Works 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%
Schafer Works AG scores 76.6 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.55.07%
Schafer Works 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%
Schafer Works AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schafer Works AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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.

Knowledge

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Location

Unterbiberiststrasse 31
4562 Biberist
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-329.638.225
Founded
2018 · 8 years
Last commercial register change
May 22, 2023
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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