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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringFahrwangenKeller & Steiner AG Fahrwangen
Keller & Steiner AG Fahrwangen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Keller + Steiner AG encompasses various services in the construction sector, particularly: Construction scaffolding: Development and provision of scaffolding systems, special solutions, and scaffolding towers. Surveying: Land and height surveying, building surveying, construction surveying, engineering surveying, and geotechnical monitoring. Drawing office: Creation of plans and drawings for construction projects. Wall and floor coverings: Installation of wall and floor coverings. Living spaces: Creation of turnkey living spaces. Roofing: Services in the field of roofing. The company thus offers a wide range of services, from planning and surveying to the execution of construction projects and the completion of living spaces.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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Keller & Steiner AG Fahrwangen

Specialized Construction Activities
✓ Offered4
Construction access towers
Construction access system, bespoke solutions and construction access towers over 100 m high for small projects, site developments, wind power plants and mobile phone antennas.
Surveying and drawing department
Surveying in connection with construction projects, procurement of the as-built base data, drawing support, excavation plans in 2D/3D, plan digitisation and visualisations.
Wall and floor coverings
Porcelain stoneware, parquet, vinyl, carpet and seamless floor coverings in the showroom in Fahrwangen, complemented by advice on floor and wall coverings.
Living spaces
Search for, buy, sell or rent real estate; presented as a real estate offering around living and living spaces.
Trust & reputation

ranQ Trust Score of Keller & Steiner AG Fahrwangen: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Keller & Steiner AG Fahrwangen scores 75.4 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.68.524%
  • 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.81.910%
  • 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%
Keller & Steiner AG Fahrwangen 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%
Keller & Steiner AG Fahrwangen 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%
Keller & Steiner AG Fahrwangen scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Keller & Steiner AG Fahrwangen reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 24 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 24 reviews across all connected sources

Sources
GGoogle4.424
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Breiteweg 7
5615 Fahrwangen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:15
Tue
07:00 - 12:00, 13:00 - 17:15
Wed
07:00 - 12:00, 13:00 - 17:15
Thu
07:00 - 12:00, 13:00 - 17:15
Fri
07:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.053.325
Founded
1984 · 42 years
Last commercial register change
July 31, 2026
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.100.06%
  • 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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