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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceDiegtenDünki Grünblatt Dach- und Holzbau
Dünki Grünblatt Dach- und Holzbau Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dünki Grünblatt Dach- und Holzbau provides roofing and carpentry services, carrying out timber-construction projects, renovations, roof extensions, carports and terraces, as well as facade cladding, interior finishing and solar panel installations.

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Offering

Products & services

Industry:Building MaintenanceInterior ConstructionTimber Construction & Carpentry
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Dünki Grünblatt Dach- und Holzbau

Roofing
✓ Offered6
Timber construction
Renovations, conversions and extensions, roof trusses, storey additions, roof and living space expansions, carports, terrace roofs and wooden terraces.
Roofing
Roofing for new builds, renovations and re-roofing, protection against weather, use of existing tiles during re-roofing.
Façades
Timber façade cladding with wood façades in larch and acacia, pre-greyed timber cladding, Eternit slate façades, HardiePlank and Solarpanels.
Interior fit-out & windows
Renovations in interior fit-out with Holzflexisolationen for a healthy indoor climate, as well as interior fit-out and window work.
Terraces and garden design
Terraces and garden design to your wishes, with wooden terraces and individual reference properties in the outdoor area.
Solar installations
Solar installations with Solarpanels and solar tiles, also usable as façade elements.
Trust & reputation

ranQ Trust Score of Dünki Grünblatt Dach- und Holzbau: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Dünki Grünblatt Dach- und Holzbau scores 53.8 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.70.824%
  • 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.27.910%
  • 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%
Dünki Grünblatt Dach- und Holzbau scores 74.0 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.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%
Dünki Grünblatt Dach- und Holzbau 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%
Dünki Grünblatt Dach- und Holzbau scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dünki Grünblatt Dach- und Holzbau 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hauptstrasse 62
4457 Diegten
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-240.758.110
Founded
2015 · 11 years
Last commercial register change
October 12, 2023
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.67.06%
  • 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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