ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryZurichDörrer AG
Dörrer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dörrer AG is metal finishing, particularly galvanic and chemical surface treatments of metals. This includes processes such as silvering, chrome plating, chemical nickel plating, passivation, phosphating, black chrome plating, gilding, copper plating, nickel plating, phosphorus-containing, silvering and technical zinc plating.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered12
Galvanic and chemical surface treatments
Galvanic and chemical surface treatments for metal parts, with a wide range of processes and pre-treatment; including chrome plating, nickel plating, gold plating, copper plating, zinc plating, tin plating, passivation and phosphating.
Chemical nickel plating
Chemical nickel plating of workpieces as a surface treatment, also including information on RoHS compliance on the website.
Zinc plating
Zinc plating of metal parts, including blue and yellow zinc plating; listed on the website as a compliant process.
Chrome plating
Chrome plating of metal surfaces as a galvanic finishing process, also mentioned on the website as RoHS-compliant.
Electrolytic nickel plating
Electrolytic nickel plating of workpieces as a surface treatment within the process range.
Gold plating
Gold plating of metal parts as a finishing process within the range of services.
Copper plating
Copper plating of metal surfaces as part of galvanic finishing.
Passivation
Passivation of metal surfaces as a finishing process for workpieces.
Phosphating
Phosphating of metal parts as a surface treatment; also listed on the website as RoHS-compliant.
Black chrome plating
Black chrome plating of metal surfaces as a special finishing process.
Phosphorus-containing nickel plating
Phosphorus-containing nickel plating as a special finishing process for metal surfaces.
Technical silver plating
Technical silver plating of metal parts as surface finishing.
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.3/5

Dörrer AG

Trust & reputation

ranQ Trust Score of Dörrer AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Dörrer AG scores 80.3 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.75.024%
  • 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.77.410%
  • 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%
Dörrer 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%
Dörrer 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%
Dörrer AG scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dörrer AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 20 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
4.6
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.620
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Dörrer AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Dörrer AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Dörrer AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Dörrer AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Giesshübelstrasse 108
8045 Zurich
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.322.317
Founded
1971 · 55 years
Last commercial register change
December 15, 2017
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

    Similar companies

    K(
    KME (Suisse) SA
    Zurich
    KG
    Kälin Galvanik AG
    Obfelden
    UW
    Urs Wenger
    Grüningen
    CB
    Chaytech by Künzler
    Regensdorf
    NG
    Nisomet GmbH
    Richterswil
    UA
    Umcor AG
    Zurich
    GG
    Galvotec GmbH
    Schöfflisdorf
    VH
    voestalpine High Performance Metals Schweiz AG
    Wallisellen