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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentrySt. GallenkappelHOLZBAU ARTHO GMBH
HOLZBAU ARTHO GMBH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

HOLZBAU ARTHO GMBH is a timber construction and joinery company providing wood-construction planning, prefabricated timber elements, interior carpentry and building-envelope work. The company also offers planning, installation and maintenance of solar/photovoltaic systems and serves private, commercial, agricultural and public building projects.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered7
Timber construction
Timber construction for single- and multi-family houses, commercial and agricultural buildings, extensions and conversions, storey additions, renovations, as well as prefabricated timber elements.
Joinery and interior fit-out
Joinery and interior fit-out with wooden staircases, floors, doors, custom-built fitted wardrobes and solid-wood furniture for private, commercial and public building projects.
Agricultural buildings
Timber agricultural buildings for stables, storage and shelter halls, riding arenas, as well as construction management and general planning in the agricultural sector.
Architecture for timber construction
Architecture for timber construction with concept design, new builds, extensions, storey additions, renovations, general planning, construction management and fire protection planning.
Solar and photovoltaic systems
Solar and photovoltaic systems with consultation, planning, installation, commissioning, service and maintenance for new builds, renovations and conversions.
Timber construction planning
Timber construction planning for new builds, conversions, extensions, storey additions and multi-storey timber construction, including detailed design and coordination.
Timber element construction
Timber element construction with factory-produced elements, fast on-site assembly and use for residential, commercial and agricultural buildings.
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4.3/5

HOLZBAU ARTHO GMBH

Trust & reputation

ranQ Trust Score of HOLZBAU ARTHO GMBH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

HOLZBAU ARTHO GMBH scores 80.3 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.78.524%
  • 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.78.610%
  • 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.88.08%
HOLZBAU ARTHO GMBH scores 83.0 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%
HOLZBAU ARTHO GMBH 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%
HOLZBAU ARTHO GMBH scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HOLZBAU ARTHO GMBH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 21 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
4.7
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.721
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rüeterswilerstrasse 45
8735 St. Gallenkappel
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.700.760
Founded
2005 · 21 years
Last commercial register change
May 18, 2017
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.
88.0
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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