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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryRussinLADERMANN CHARPENTE SA
LADERMANN CHARPENTE SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of LADERMANN CHARPENTE S.A. consists of the creation and renovation of wooden structures, particularly: * Roof frames (charpentes) * Roofs (toitures) * Wooden frameworks (ossatures bois) * Stairs (escaliers) * Attic conversions (aménagement de combles) * Carports (couvert à voiture) * Staircase construction (réalisation d'escaliers) The company also offers services in the field of sheet metal work (ferblanterie) and roofing (couverture).

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered3
Roof framing
Roof framing for raising the roof, converting the attic and insulating the roof; construction and renovation work with solutions using glass wool or wood fibre.
Timber frame construction
Timber frame construction for wooden houses, with a load-bearing timber structure, integrated insulation and adaptation to construction on different terrains and climates.
Custom wooden staircase construction
Custom wooden staircase construction for converted attics, other floors or the exterior, with fabrication and installation according to requirements.
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3.8/5

LADERMANN CHARPENTE SA

Trust & reputation

ranQ Trust Score of LADERMANN CHARPENTE SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

LADERMANN CHARPENTE SA 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%
LADERMANN CHARPENTE SA scores 81.1 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.89.612%
  • 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%
LADERMANN CHARPENTE SA 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%
LADERMANN CHARPENTE SA scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LADERMANN CHARPENTE SA 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.

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Location

Route du Mandement 352
1281 Russin

At a glance

Legal form
Corporation
UID
CHE-290.133.828
Founded
2015 · 11 years
Last commercial register change
July 8, 2021
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.
100.0
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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