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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryWilen B. WollerauVerzinkerei Wollerau AG
Verzinkerei Wollerau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the surface treatment of metal parts through various processes such as hot-dip galvanizing, small parts galvanizing, sandblasting, spray galvanizing, wet painting, powder coating and duplexing. The company offers these services as a full-service, including transport and logistics, to provide customers with a comprehensive solution for their surface treatment needs.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered8
Hot-dip galvanizing
Hot-dip galvanizing of steel components to EN ISO 1461, including degreasing, pickling, flux treatment, immersion in the molten zinc bath, plus final inspection and weighing.
Galvanizing of small parts
Galvanizing of small parts and bulk goods such as screws, nuts and nails, using centrifuging, water-bath cooling and high-temperature galvanizing.
Powder coating
Electrostatic powder coating with curing in a circulating-air oven, for corrosion protection or decorative purposes, available in many RAL and NCS colours.
Wet painting
Wet painting of single parts up to large production runs for corrosion protection or decorative purposes, also multi-colour and in two-component versions.
Duplex coating
Combination of hot-dip galvanizing and powder coating or wet painting, including fine puttying to prepare uniformly even surfaces.
Sandblasting
Surface preparation by sandblasting and sweeping to remove mill scale, slag, old coatings, rust and other contaminants.
Zinc spray coating
Thermal spraying with zinc onto sandblasted steel surfaces, mainly for cast parts and sheet-metal structures or when hot-dip galvanizing is not suitable.
Transport
Collection and delivery service for workpieces using company-owned trucks as part of the full-service offering, including on-time dispatch.
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4.4/5

Verzinkerei Wollerau AG

Trust & reputation

ranQ Trust Score of Verzinkerei Wollerau AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Verzinkerei Wollerau AG scores 81.4 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.77.924%
  • 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.74.910%
  • 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.100.08%
Verzinkerei Wollerau AG scores 89.3 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%
Verzinkerei Wollerau 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%
Verzinkerei Wollerau AG 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

Verzinkerei Wollerau AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 18 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
4.7
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.718
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hänggiwiesstrasse 4
8832 Wilen B. Wollerau
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 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.936.866
Founded
1975 · 51 years
Last commercial register change
September 21, 2023
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.
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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