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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionZurichZisag Holzbau GmbH
Zisag Holzbau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Zisag Holzbau GmbH provides timber construction services and produces prefabricated wood elements for new-build, renovation and interior fit-out projects. Services include prefabricated floor, wall, ceiling and roof elements, conventional roof carpentry, renovation work and interior finishes such as parquet, paneling and acoustic ceilings.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered5
Interior fit-out
Finishing of floors, walls and ceilings; parquet flooring, paneling work, installation of gypsum fibre boards on walls, ceilings and floors, as well as fitting acoustic ceilings and roof surface windows.
Timber construction
Timber construction for small and large construction projects; from garden houses to detached family homes and sports or industrial halls, with various timber structures.
Prefabricated element construction
Prefabricated floor, wall, ceiling and roof elements for new builds, extensions, renovations and refurbishments, as well as for attic conversions and roof superstructures.
Conversion / refurbishment
Conversions, renovations and refurbishments of detached family homes up to listed townhouses, including thermal insulation, heat protection and acoustic upgrades.
New build
Conventional timber construction with roof trusses fully prefabricated; erection, under-roof coverings, eaves, verge and gable boards, gutter and profile strips, roof boarding, soffits and roof windows.
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4.1/5

Zisag Holzbau GmbH

Trust & reputation

ranQ Trust Score of Zisag Holzbau GmbH: 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.

Zisag Holzbau GmbH 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%
Zisag Holzbau GmbH scores 87.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.82.07%
Zisag Holzbau GmbH 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%
Zisag Holzbau GmbH scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zisag Holzbau GmbH 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

Im Wingert 36a
8049 Zurich

At a glance

Legal form
Branch
UID
CHE-421.663.177
Founded
2008 · 18 years
Last commercial register change
February 8, 2017
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.
76.0
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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