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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionJonaHolzbau Rapperswil Jona AG
Holzbau Rapperswil Jona AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is timber construction, particularly the planning and execution of timber construction projects in the Rapperswil-Jona region, on the upper Lake Zurich, in the Zurich Oberland and on Lake Zurich.

AI-generated
Offering

Products & services

Industry:Interior ConstructionTimber Construction & Carpentry
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4.0/5

Holzbau Rapperswil Jona AG

✓ Offered5
Carpentry works
General carpentry works, element construction, roof trusses and roof extensions, cutting (Abbund) work, as well as timber construction planning and structural calculations.
Interior fit-out
Interior fit-out, täfer wall paneling, interior and exterior cladding, wall cladding, as well as renovation and restoration work in timber construction.
Staircase construction
Staircase construction for new builds, conversions and interior fit-out, matched to timber construction projects and individual finishing works.
Insulation
Thermal and acoustic insulation for timber construction and interior fit-out projects.
Terraces and wooden decking grates
Terraces and wooden decking grates as well as renewal of terrace grates in the outdoor area.
Trust & reputation

ranQ Trust Score of Holzbau Rapperswil Jona AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Holzbau Rapperswil Jona AG scores 57.6 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.67.124%
  • 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.52.910%
  • 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.35.08%
Holzbau Rapperswil Jona 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%
Holzbau Rapperswil Jona AG scores 83.3 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).83.322%
Holzbau Rapperswil Jona AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Holzbau Rapperswil Jona AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Buechmattstrasse 7
8645 Jona
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.828.113
Founded
1978 · 48 years
Last commercial register change
January 22, 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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