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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsZurichStari & Partner AG
Stari & Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Stari & Partner AG provides planning, coordination and installation of natural stone and ceramic floor and wall coverings for new construction, renovations and refurbishments, and offers related services such as waterproofing and surface cleaning.

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Offering

Products & services

Industry:General ContractorsInterior Construction
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Stari & Partner AG

✓ Offered10
Building works
Building works for new-build and conversions, including execution and coordination of the services, as well as support from start to finish.
Conversions and renovation
Conversions and renovation of residential and commercial properties, with personal consultation, planning, organisation and execution.
Bathroom renovation
Bathroom renovation as part of conversion services, with execution as part of new-build and conversion projects.
Building extension
Building extensions within new-build and conversion projects, including planning and execution.
Waterproofing
Waterproofing for new-build and conversions, to supplement building and renovation projects.
Interior fit-out
Interior fit-out in connection with new-build, conversion and renovation projects.
Laying natural stone coverings
Laying natural stone slabs and natural stone coverings for floor and wall surfaces in new-builds, renovations and conversions.
Laying ceramic coverings
Laying ceramic tiles and ceramic coverings for floor and wall surfaces in new-builds, renovations and conversions.
Large-format natural stone and ceramic tiles
Large-format natural stone and ceramic tiles for individual design options for floors and walls.
Cleaning ceramic and natural stone coverings
Cleaning ceramic and natural stone coverings as an additional service in the context of construction, conversions and renovation projects.
Trust & reputation

ranQ Trust Score of Stari & Partner 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.

Stari & Partner 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.
x
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%
Stari & Partner AG scores 85.5 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%
Stari & Partner AG scores 83.3 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).83.322%
Stari & Partner AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stari & Partner 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

Apollostrasse 6
8032 Zurich

At a glance

Legal form
Corporation
UID
CHE-107.616.208
Founded
1994 · 32 years
Last commercial register change
May 31, 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.
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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