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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber constructionHergiswil B. WillisauAchermann Holzbau AG
Achermann Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Achermann Holzbau AG plans and builds projects using bespoke timber construction. Its work includes residential and agricultural buildings, conversions and renovations, interior fit-outs, and specialist projects for public- and business-sector clients.

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Service area

Offering

Products & services

Industry:Timber construction
✓ Offered
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4.1/5

Achermann Holzbau AG

6
Single- and multi-family houses
Planning and construction of single- and multi-family houses in sustainable timber construction, from the idea to key handover.
Agricultural buildings
Planning and construction of stables, barns and farm utility buildings for agricultural operations, executed in a functional and durable way.
Upward extensions / Renovations / Conversions / Annexes
Upward extensions, renovations, conversions and annexes on existing buildings, using light timber structures and short construction times.
Special-purpose structures / Public buildings / Commercial
Special-purpose structures as well as projects for public and commercial clients, including halls, covered areas, bridges and custom structures.
Interior fit-out / Terrace decking grids / Small buildings
Interior fit-out, terrace decking grids, arbors and other small structures, planned professionally and built in timber.
Timber construction planning
Planning of timber construction projects from the concept phase to implementation, with clear coordination and support throughout the construction process.
Trust & reputation

ranQ Trust Score of Achermann Holzbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Achermann Holzbau AG scores 66.0 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.65.024%
  • 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.65.210%
  • 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%
Achermann Holzbau AG scores 89.3 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.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.70.07%
Achermann 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.
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%
Achermann Holzbau AG scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Achermann Holzbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 12 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
4.3
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle4.312
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Luegetalmatte
6133 Hergiswil B. Willisau
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 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-240.145.640
Founded
2011 · 15 years
Last commercial register change
February 3, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • LULucerne
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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