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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationGrosshöchstettenFahrni + Söhne AG
Fahrni + Söhne AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Fahrni + Söhne AG is the manufacture and distribution of seamless coatings, underlayment floors, levelling compounds, sealants and specialties for interior and exterior use, particularly in the construction industry.

AI-generated
Offering

Products & services

Industry:Sealing & Insulation
✓ Offered5
Seamless floor coverings
FaSofloor® trowel-applied floor finishes and seamless service floors for indoor and outdoor areas, such as living rooms, showers, balconies, classrooms, industrial kitchens and restaurant floors.
Subfloor screeds
Plastically applied anhydrite mortar, flowing anhydrite mortar and cement mortar for residential construction, renovations, wet rooms and outdoor areas.
Levelling mortar
Elastic binder split-gravel fill and Styro-concrete as levelling layers, substrate for underlayments and dry floors, and for filling joist spaces and services.
Waterproofing
Liquid plastic waterproofing systems based on PMMA for timber, sheet metal and concrete substrates, including for complex shapes and seamless finishes.
Vehicle coatings
Coatings for vehicle floors, truck ramps as well as stair treads and landings with decorative and slip-resistant surfaces.
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4.1/5

Fahrni + Söhne AG

Trust & reputation

ranQ Trust Score of Fahrni + Söhne AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Fahrni + Söhne AG scores 61.4 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.76.724%
  • 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.45.610%
  • 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%
Fahrni + Söhne AG 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%
Fahrni + Söhne 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%
Fahrni + Söhne AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fahrni + Söhne 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 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Mühlebachweg 3
3506 Grosshöchstetten
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.377.588
Founded
1986 · 40 years
Last commercial register change
December 1, 2025
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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