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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentrySchongauErni Holzbau AG
Erni Holzbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Erni Holzbau AG provides comprehensive timber-construction solutions by combining planning, prefabrication and on-site assembly for building projects. Services include system building, façade construction, roofing, manufacturing, installation and project management, with ecological and regulatory aspects addressed during planning.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered6
Timber construction work
Conventional timber construction and modern system construction with prefabricated elements in timber frame construction; residential construction, renovation, conversion, extension, attic storey additions, and engineering timber construction.
Project management
Project management and work preparation for timber construction projects including technical planning, CAD detailing/scheduling, timeline planning, cost control, BIM, and coordination with the trades involved.
Facade construction
Facades with timber cladding, fibre-cement (Eternit), compact facades, render carrier boards, as well as sheet-metal facades and sheet-metal trims; including consulting, planning and execution with insulation and energy-related aspects.
Production of building components
Prefabrication of building components in Schongau including cutting, component production, pre-assembly of load-bearing structures, insulation, as well as sanitary and electrical components and digital warehouse management.
Assembly
Assembly of the timber elements manufactured in Schongau on site by our own specialists, including transport logistics and a truck crane.
Roofing work
Roof coverings with tiles, slate and corrugated Eternit, as well as trapezoidal or sandwich sheet metal; including roof renovation, maintenance, thermal insulation and advice on funding opportunities.
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4.1/5

Erni Holzbau AG

Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Erni Holzbau AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Erni Holzbau AG scores 93.3 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.97.712%
  • 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%
Erni Holzbau AG scores 83.3 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).83.322%
Erni Holzbau AG scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Erni Holzbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Guggibadstrasse 8
6288 Schongau

At a glance

Legal form
Corporation
UID
CHE-307.502.764
Founded
2012 · 14 years
Last commercial register change
July 30, 2025
Employees
51 to 100
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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