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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesFribourgSchaeffer S.A.
Schaeffer S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schaeffer SA consists of planning, installing, maintaining and repairing heating and sanitary systems, including: heating systems (e.g. heat pumps, wood heating systems, gas and oil heating systems), sanitary systems (e.g. water and wastewater systems), solar systems, air conditioning systems, maintenance and repair of heating and sanitary systems, and installation and maintenance of tanks for fossil fuels (e.g. oil, diesel, petrol). The company also offers consulting and planning services for the realization of construction projects.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
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4.0/5

Schaeffer S.A.

Heating
Geothermal and air/water heat pumps, wood central heating, thermal solar panels, district heating, gas and oil boilers, maintenance of boilers.
Plumbing
Sanitary installations for buildings, with sanitary services listed as a separate service from heating.
Fuel oil, diesel and petrol tanks
Tanks for fuel oil, diesel and petrol, presented as a separate offering related to fuel storage.
Trust & reputation

ranQ Trust Score of Schaeffer S.A.: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Schaeffer S.A. scores 56.5 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.35.024%
  • 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.77.410%
  • 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.95.08%
Schaeffer S.A. scores 89.3 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.70.07%
Schaeffer S.A. 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%
Schaeffer S.A. scores 6.0 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 35.6.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schaeffer S.A. reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.4 out of 5 stars from 20 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
3.4
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle3.420
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Route des Daillettes 5
1700 Fribourg
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.375.298
Founded
1948 · 78 years
Last commercial register change
June 28, 2022
Employees
11 to 20
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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