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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsOberwil Im SimmentalKlaus Klopfenstein
Klaus Klopfenstein Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Klaus Klopfenstein provides architectural and construction management services according to SIA standard 102, covering feasibility and design phases, tendering, site supervision and project completion. Services also include fire-safety consulting, property valuations and restoration or renovation work.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Architecture and construction management services
Architecture and construction management services according to SIA Standard 102, from preliminary design and planning through building permit procedures and tenders to the execution and completion phase.
Heritage conservation and renovations
Heritage conservation, renovations and smaller conversions, focusing on restorations and renovation projects from the experience gallery.
Construction and real estate consulting
Advice on construction matters as well as other construction-related consulting services, including problem analysis, solution finding and detailed studies in the pre-project and project phase.
Property valuations
Valuations of properties and rough estimates, or cost estimates, within the context of construction projects and estates.
Fire protection consulting
Fire protection consulting as a supplementary specialist architectural and construction-related service.
Construction site management
Construction site management during the execution phase, including contracts with contractors and suppliers, final execution drawings, design management and guarantee works.
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3.8/5

Klaus Klopfenstein

Trust & reputation

ranQ Trust Score of Klaus Klopfenstein: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Klaus Klopfenstein 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%
Klaus Klopfenstein scores 78.5 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%
Klaus Klopfenstein 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%
Klaus Klopfenstein 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

Klaus Klopfenstein reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». 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

Hüpbach
3765 Oberwil Im Simmental

At a glance

Legal form
Sole proprietorship
UID
CHE-106.628.491
Founded
1990 · 36 years
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.
67.0
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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