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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior fit-outTrimmisDolf & Walli Holzbau AG
Dolf & Walli Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dolf & Walli Holzbau AG is the planning, execution and renovation of carpentry and joinery work, including new buildings, conversions, renovations, interior finishing, furniture making, roofing and facade cladding.

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Service area

Offering

Products & services

Industry:Interior fit-outRenovation
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3.8/5

Dolf & Walli Holzbau AG

Timber construction
Roofer
✓ Offered6
Timber construction
Joinery and carpentry work of all kinds, new builds, conversions and renovations, attic extensions, construction of balconies, pergolas and garden houses, element and system construction.
Joinery
Tables, doors, furniture, staircases, parquet and plank floors, wood panelling work, interior fit-out and flooring work for new builds, conversions and renovations.
Renovation and energy-efficient retrofitting
General renovations, energy-efficient retrofitting, insulation, as well as conversions and renovations in existing buildings.
Roofing
Roof coverings, roof insulation and associated roofing work, complemented by roof windows with sun protection products.
Facade cladding
Facade cladding in wood and other products for new builds, conversions and renovations.
Maintenance and repair work
Maintenance work and repairs on buildings and timber structures.
Trust & reputation

ranQ Trust Score of Dolf & Walli Holzbau AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Dolf & Walli Holzbau AG 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%
Dolf & Walli Holzbau AG scores 78.3 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.83.012%
  • 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%
Dolf & Walli Holzbau AG scores 86.7 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).86.722%
Dolf & Walli Holzbau AG scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dolf & Walli Holzbau AG 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 November 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

Cholplatzweg 13
7203 Trimmis
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-299.951.069
Founded
2017 · 9 years
Last commercial register change
January 3, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRTrimmis
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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