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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryMüntschemierK. Helfer Holzbau AG
K. Helfer Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of K. Helfer Holzbau AG is timber construction, including carpentry, joinery, element and interior construction. The company offers services such as wood drying, cutting hall, hall crane and asbestos remediation, and implements various projects in the field of timber construction.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered5
Timber construction
Timber construction for new builds, conversions and renovations, including erection works, roof structures, roof finishing and facade renovations.
Carpentry (timber framing)
Carpentry work for new builds, conversions and renovations, including roof structures, dormers, shed renovations and other timber construction projects.
Joinery
Joinery work for timber construction solutions and interior fit-out, including project-based execution with the in-house team.
Element construction
Element construction for timber construction projects, as part of implementing new-build, conversion and renovation projects.
Interior fit-out
Interior fit-out with timber for conversions and renovations, matched to the respective construction project.
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4.0/5

K. Helfer Holzbau AG

Trust & reputation

ranQ Trust Score of K. Helfer Holzbau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

K. Helfer Holzbau AG scores 58.4 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.61.524%
  • 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.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.78.08%
K. Helfer Holzbau 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%
K. Helfer Holzbau 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%
K. Helfer Holzbau AG 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

K. Helfer Holzbau AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 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
4
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle43
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Moosgasse 18
3225 Müntschemier

At a glance

Legal form
Corporation
UID
CHE-107.278.494
Founded
1994 · 32 years
Last commercial register change
December 12, 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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