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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureRenovationLäufelfingenErne Holztechnik GmbH
Erne Holztechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Erne Holztechnik GmbH carries out timber construction, roofing and renovation work. Its services include prefabricated timber construction, interior work, roof windows, building planning and photovoltaic systems.

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Service area

Offering

Products & services

Industry:Renovation
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4.5/5

Erne Holztechnik GmbH

Timber construction
Roofer
Photovoltaics
✓ Offered6
Photovoltaics
Photovoltaic systems for pitched roofs, flat roofs and in-roof systems, including installation by carpenters and roofers, E-management and E-mobility solutions with specialist partners, as well as annual roof and PVA inspections.
Roofing
Roofing with tiled roofs, Eternit slate, Welleternit, trapezoidal sheet metal and Contecabdichtung, including professional installation, advice and execution for new builds and renovations.
Timber construction
Conventional timber construction, prefabricated element construction, carports and sheds, extensions of all kinds, interior fit-out, as well as wooden flooring and terrace flooring.
Renovations
Roof and façade renovations, renovations of timber structures of all kinds, and stair renovations, from minor repairs to comprehensive reinstatements.
Roof windows
New installation and replacement of roof windows, accessories, building submission, showroom visits, advice from A to Z, daylight solutions and service in case of damage.
Planning / building applications
Planning for small to large building applications, cooperation with other construction contractors and site management within a limited scope.
Trust & reputation

ranQ Trust Score of Erne Holztechnik GmbH: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Erne Holztechnik GmbH scores 98.3 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.97.024%
  • 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.100.010%
  • 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.100.08%
Erne Holztechnik GmbH scores 73.9 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.70.212%
  • 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%
Erne Holztechnik GmbH scores 86.7 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).86.722%
Erne Holztechnik GmbH 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

Erne Holztechnik GmbH reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 106 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 106 reviews across all connected sources

Sources
GGoogle5106
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Alte Hauensteinstrasse 1A
4448 Läufelfingen
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-487.666.887
Founded
2020 · 6 years
Last commercial register change
June 19, 2020
Employees
11 to 20

Active in 1 of 26 cantons

  • BLBasel-Country
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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