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

About the company

Alberto Penna Gipsergeschäft GmbH performs plastering and dry-construction work and offers services such as wet plaster, clay plaster, stucco and acoustic systems. The company also provides fire-protection work, thermal insulation, demolition, new-build and renovation projects, repairs, water-damage remediation and painting.

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Products & services

Industry:Interior ConstructionSealing & Insulation
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Alberto Penna Gipsergeschäft GmbH

Painting & Plastering
✓ Offered6
Plastering work
Plastering work for new builds, refurbishment and renovation; base coat, fine plaster, spray filler, render, lime-clay plaster and plaster ornaments for walls and ceilings.
Drywall construction
Drywall construction for conversions and interior fit-out; lightweight partition walls, cladding liners, substructures, door and window installation as well as Cocoon-Systeme.
Acoustic systems
Acoustic systems for residential and working spaces; acoustic ceilings, perforated panels, ceiling panels and wall panels to improve room acoustics.
Thermal insulation & insulation
Thermal insulation and insulation for indoor and outdoor areas; energy-related thermal insulation, internal insulation and external insulation to improve energy efficiency and living comfort.
Refurbishment & renovation
Refurbishment and renovation for existing buildings; conversions, renovations, repairs, demolition work, water-damage remediation and drying.
Painting work
Painting work for new and existing buildings; smaller painting jobs with careful execution and visual completion of construction and renovation projects.
Trust & reputation

ranQ Trust Score of Alberto Penna Gipsergeschäft GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Alberto Penna Gipsergeschäft 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%
Alberto Penna Gipsergeschäft GmbH scores 61.5 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.50.012%
  • 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%
Alberto Penna Gipsergeschäft 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%
Alberto Penna Gipsergeschäft GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Alberto Penna Gipsergeschäft GmbH reaches a ranQ Trust Score of 3.8 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.

Knowledge

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Location

Wülflingerstrasse 189
8408 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-199.685.111
Founded
2023 · 3 years
Last commercial register change
July 17, 2023
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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