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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorLaufenburgERNE AG Holzbau
ERNE AG Holzbau Logo
Verified· 4 sourcesTrust Score
Summary

About the company

ERNE AG Holzbau is a timber construction company serving industrial and building projects. It delivers buildings using panel, modular and hybrid construction, as well as façade, window and interior fit-out solutions, carpentry, renovation and integrated construction services.

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Service area

Offering

Products & services

Industry:Building contractor
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ERNE AG Holzbau

Timber construction
✓ Offered12
Complete services
Complete services in timber system construction for office and administration buildings, industrial and commercial buildings, healthcare, education, sports halls and residential construction; design, production and installation from a single source.
Timber hybrid construction
Timber hybrid construction for sustainable buildings with timber-concrete composite; bespoke building solutions with a high prefabrication rate and comprehensive planning.
Timber modular construction
Timber modular construction for temporary and permanent space requirements; flexible, energy-efficient and economical building solutions with rental or purchase.
Timber system construction
Timber system construction for industrially prefabricated building solutions; high cost efficiency, short lead times and project-specific support from the first idea through to execution planning.
Façades
Façade solutions with energy-efficient, prefabricated building envelope systems; integrated components including cable ducts, windows and photovoltaic.
Window systems
Window systems and window solutions in timber, timber-metal and plastic; including Heimatschutz-Holz-Fenster and ventilation windows for LowEx buildings.
Storey additions
Storey additions in timber system construction for additional usable space; prefabricated solutions with short implementation times.
Carpentry, interior fit-out, renovation
Carpentry, interior fit-out and renovation with tailor-made design and implementation; from individual pieces to complete interior fit-out from a single source.
Room-in-room system
Room-in-room solutions for additional rooms within existing buildings; as part of the complete services offering for specific room projects.
Service provision
Service provision as an additional service within complete services; project-accompanying support from a single source.
Light steel construction
Light steel construction for non-combustible and lightweight building solutions; used in particular for care areas and façades above the high-rise threshold.
Digital fabrication
Digital fabrication for seamless planning and production; supports industrial prefabrication of complex components and implementation of custom solutions.
Trust & reputation

ranQ Trust Score of ERNE AG Holzbau: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of November 2026

ERNE AG Holzbau scores 61.0 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.74.424%
  • 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.49.510%
  • 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%
ERNE AG Holzbau scores 97.0 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.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.90.07%
ERNE AG Holzbau scores 88.3 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).88.322%
ERNE AG Holzbau scores 66.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

ERNE AG Holzbau reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 6 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 30, 2026Media
Erne AG Holzbau realisiert Neuwiesen-Ersatzneubau in Zürich-Schwamendingen
baublatt.ch
November 21, 2025Media
Wie Erne in Stein Massstäbe für nachhaltiges und wirtschaftliches Bauen setzt.
aargauerzeitung.ch
May 16, 2025Media
Erne Holzbau verdoppelt die Kapazität
nfz.ch
September 12, 2024Media
Zukunftsversprechen -
swiss-architects.com
April 20, 2021Media
Heimat Zürich für Erne: 75 Jahre Unternehmensgeschichte auf 9 Metern Holz
markt-kom.com
June 27, 2017Media
Erne Holzbau gewinnt europäischen Innovationspreis
espazium.ch

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Location

Werkstrasse 3
5080 Laufenburg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.987.959
Founded
1965 · 61 years
Last commercial register change
November 4, 2026
Employees
51 to 100

Active in 1 of 26 cantons

  • AGAargau
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.95.03%
    • Full methodology

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