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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceWittnauStephan Kehr Holzbau + Bauplanung
Stephan Kehr Holzbau + Bauplanung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kehr Bau is the planning and execution of timber construction work, including building planning, demolition, new construction, conversion and renovation of buildings, with a particular focus on timber construction.

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Offering

Products & services

Industry:Building MaintenanceInterior Construction
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4.0/5

Stephan Kehr Holzbau + Bauplanung

✓ Offered11
Construction planning / site management
Planning of new builds and conversions, building permits, site management and construction supervision from the first idea to proper execution.
Conversions and renovation
Conversions, renovations and refurbishments for single-family homes, multi-family homes and agricultural buildings.
New build
New builds of single-family homes, multi-family homes and agricultural buildings.
Interior fit-out
Flooring, insulation, timber wall paneling and staircases for interior fit-out.
Small timber structures
Carports, garden houses, pergolas and conservatories as smaller timber construction works.
Energy-efficient renovations
Energy-efficient renovations to the roof, facade and roof windows.
Facade works
Facades in timber, Eternit and sheet metal.
Roof windows
New roof windows, replacement and shading.
Roofing
Roof coverings with tiles, Eternit and sheet metal.
Staircase construction
Timber staircases and staircase solutions for interior and timber construction.
Storm damage immediate aid
Immediate help for storm damage to the building.
Trust & reputation

ranQ Trust Score of Stephan Kehr Holzbau + Bauplanung: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Stephan Kehr Holzbau + Bauplanung scores 63.5 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.73.124%
  • 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.35.310%
  • 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.70.08%
Stephan Kehr Holzbau + Bauplanung 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%
Stephan Kehr Holzbau + Bauplanung scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Stephan Kehr Holzbau + Bauplanung scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stephan Kehr Holzbau + Bauplanung reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 116a
5064 Wittnau
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
07:00 - 17:30
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.584.870
Founded
1996 · 30 years
Last commercial register change
December 4, 1996
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.67.06%
  • 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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