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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryLe Mont-Sur-LausannePortanova Polissage sur métaux Sàrl
Portanova Polissage sur métaux Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Portanova is the polishing and processing of metals, particularly through various processes such as polishing, varnishing, grinding, brushing, chroming, bronzing and brushing for anodizing. The company offers these services for various metals such as brass, aluminum, stainless steel, copper and steel.

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Products & services

Industry:Metal Industry
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Portanova Polissage sur métaux Sàrl

4
Metal polishing
Precision metal polishing on stainless steel, brass, aluminium, copper and steel, with bright, satin, matte or brushed finishes for parts up to 5 metres.
Clear and tinted varnishing
Protective and aesthetic varnishing to imitate the look of other metals, with bright, satin or matte results depending on the effect required.
Grinding and brushing
Surface preparation on brass, aluminium, stainless steel, copper and steel, for parts from small to large dimensions, up to 5 metres.
Bluing / brunishing
Technical and decorative finishing giving metal parts a dark, elegant and durable look, with a uniform finish for industrial or decorative applications.
Trust & reputation

ranQ Trust Score of Portanova Polissage sur métaux Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Portanova Polissage sur métaux Sàrl scores 49.8 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.35.08%
Portanova Polissage sur métaux Sàrl scores 79.8 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.92.512%
  • 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%
Portanova Polissage sur métaux Sàrl scores 85.0 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).85.022%
Portanova Polissage sur métaux Sàrl scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Portanova Polissage sur métaux Sàrl reaches a ranQ Trust Score of 3.8 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

Chemin de Budron D 6
1052 Le Mont-Sur-Lausanne
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-214.775.605
Founded
2014 · 12 years
Last commercial register change
November 3, 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%
    • Full methodology

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