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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionWillisauLoosli Holzbau Willisau AG
Loosli Holzbau Willisau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Loosli Holzbau Willisau AG is timber construction, particularly the planning, manufacture and assembly of timber structures, including carpentry and wood processing.

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Offering

Products & services

Industry:Interior ConstructionTimber Construction & Carpentry
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4.1/5

Loosli Holzbau Willisau AG

✓ Offered6
Timber construction
Timber construction solutions from planning to completion, including roof structures, prefabricated element construction, hybrid construction, agricultural buildings, as well as hall construction and carports.
Facade construction
Ventilated timber façades made of wood and wood-based materials, Eternit and resin panels, render carrier boards, as well as renovations and refurbishments.
Extensions and conversions
Expansion of living spaces, conversion and renovation of interior rooms, attic conversions, energy-efficiency refurbishments, installation of roof windows and extensions upwards.
Interior fit-out and parquet
Laying parquet, refurbishing old floor coverings, ceiling and wall linings, acoustic ceilings, and stair construction.
Terrace design
Solid terrace flooring, privacy screens, small structures and seating benches for the outdoor area.
Custom-made work
Custom woodwork to measure, creative solutions for architectural projects, as well as designs and implementations according to your wishes.
Trust & reputation

ranQ Trust Score of Loosli Holzbau Willisau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Loosli Holzbau Willisau AG scores 68.0 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.76.724%
  • 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.45.610%
  • 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.70.08%
Loosli Holzbau Willisau AG scores 81.6 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.75.012%
  • 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.82.07%
Loosli Holzbau Willisau AG 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%
Loosli Holzbau Willisau AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Loosli Holzbau Willisau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Ettiswilerstrasse 31a
6130 Willisau
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-411.910.115
Founded
2019 · 7 years
Last commercial register change
August 2, 2019
Employees
21 to 50
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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