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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryMenznauHopla Bruno Zihlmann
Hopla Bruno Zihlmann Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Hopla Bruno Zihlmann provides architectural design, timber-construction planning and construction management services, and produces project and execution drawings. Services include new-builds, renovations, system-building and structural detailing; CAD files are available in DXF/DWG and the practice coordinates with structural engineers.

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Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered5
Architectural planning
Planning and execution of new builds and conversions for residential and commercial properties, agricultural buildings, equestrian facilities, and prefabricated element buildings.
Timber construction planning
Workshop drawings with timber schedules and system construction plans for timber construction companies and carpentry shops, including structural design as a timber construction planner.
Construction management
Construction management for construction projects, with planning and execution from a single source, and coordination of structural requirements with engineers.
Renovations and conversions
Renovation and conversion of existing houses, focusing on energy-efficient and structurally sound solutions for better protection against heat and cold.
Detailed and project plans
CAD project and execution drawings, clearly and neatly drafted, reusable by specialist planners as DXF or DWG files.
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4.1/5

Hopla Bruno Zihlmann

Trust & reputation

ranQ Trust Score of Hopla Bruno Zihlmann: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Hopla Bruno Zihlmann 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%
Hopla Bruno Zihlmann scores 78.5 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.55.07%
Hopla Bruno Zihlmann 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%
Hopla Bruno Zihlmann scores 11.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hopla Bruno Zihlmann 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

Tutensee 3
6122 Menznau

At a glance

Legal form
Sole proprietorship
UID
CHE-106.353.176
Founded
1988 · 38 years
Last commercial register change
March 18, 2021
Employees
1 to 10
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.
67.0
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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