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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionThalwilValentino Ziliani AG
Valentino Ziliani AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Valentino Ziliani AG is the execution of master builder works, in particular masonry, plastering, screeding and scaffolding works, for private and business customers in the Horgen district and on the left bank of Lake Zurich.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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4.0/5

Valentino Ziliani AG

Civil Engineering
Scaffolding
Site Preparation
✓ Offered8
Civil engineering and building works
Civil engineering and building works for new builds, conversions and renovations, including above-ground and below-ground construction, masonry work for the client, and professional, on-time execution.
Plastering work
Plastering work for new builds, conversions and renovations, including facades, internal and external insulation, as well as repairs and new insulation.
Tiling work
Tiling work for new builds, conversions, renovations and terraces, including installation of new tiles and work in both interior and exterior areas.
Scaffolding
Scaffolding for construction, conversions and facade work as an additional service within building projects.
Facade works
Facade works and facade refurbishments, including new insulation and repairs to building envelopes.
Renovations
Renovations for residential and commercial properties, combined with conversions, extensions and structural upgrades.
Conversions and extensions
Conversions and extensions to the house, as well as structural adjustments in existing buildings, from planning through to execution.
Construction consulting
Construction consulting with many years of experience to support the implementation of construction, conversion and renovation projects.
Trust & reputation

ranQ Trust Score of Valentino Ziliani AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Valentino Ziliani AG scores 59.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.52.624%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.52.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Valentino Ziliani 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%
Valentino Ziliani AG scores 85.0 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).85.022%
Valentino Ziliani AG scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Valentino Ziliani AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 7 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
3.7
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle3.77
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Säntisstrasse 11
8800 Thalwil

At a glance

Legal form
Corporation
UID
CHE-110.095.178
Founded
2003 · 23 years
Last commercial register change
June 28, 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.
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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