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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingCollongesPierre Tacchini Sàrl
Pierre Tacchini Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Pierre Tacchini Sàrl performs roofing work and supplies and installs stoves, including soapstone (pierre ollaire) and hydraulic stove systems. The company also carries out metalwork (ferblanterie), roof coverings, insulation and chimney lining, and trades materials for roofing projects.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered6
Roof covering
Roofs with terracotta tiles, natural slate, cement or metal tiles; insulation between or on rafters, ventilated façades, new roof construction or renovation.
Sheet-metal work
Sheet-metal components for roofs and façades, gutters, downpipes, fittings, cladding, roof windows, dormers, flat roofing and ornaments.
Chimney liner installation
Installation and replacement of chimney liners, lining or relining, secure connection of the heating appliance, for new homes or industrial premises.
Traditional soapstone stoves
Sale, installation and renovation of traditional soapstone stoves, models with modern or classic aesthetics, with different outputs suited to the home.
100% soapstone stoves
Sale and installation of NunnaUuni mass stoves, corner and straight models, with oven, and Calor injection stoves, with advice on selection and integration.
Hydraulic stoves
Sale and installation of Aqua+ hydraulic kits for soapstone stoves, for domestic hot-water production or heating; installation also possible on existing stoves.
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4.0/5

Pierre Tacchini Sàrl

Trust & reputation

ranQ Trust Score of Pierre Tacchini Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Pierre Tacchini Sàrl scores 58.0 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.68.224%
  • 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.17.610%
  • 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.78.08%
Pierre Tacchini Sàrl scores 88.3 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.70.07%
Pierre Tacchini Sàrl 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%
Pierre Tacchini Sàrl scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Pierre Tacchini Sàrl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route Principale 5
1903 Collonges
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.442.721
Founded
2007 · 19 years
Last commercial register change
November 24, 2015
Employees
11 to 20
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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