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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryRorschachVulkan AG Fabrik elektrothermischer Apparate
Vulkan AG Fabrik elektrothermischer Apparate Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Vulkan AG is the development and manufacture of customer-specific solutions in plant and apparatus engineering, particularly in the fields of industrial, laboratory and space heating, heating systems, plastics and textiles.

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Offering

Products & services

Industry:Electrical Industry
✓ Offered5
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3.8/5

Vulkan AG Fabrik elektrothermischer Apparate

Electrothermal special appliances and heating equipment
Radiators, appliances and controls for the plastics, textile, paper and chemical industries; also explosion-proof appliances, drying systems and heated calenders.
Plant engineering and equipment construction
End-to-end solutions tailored to customers’ and operational needs in plant engineering and equipment construction, including design of electrothermal components and controls as well as complete order processing.
Industrial heating and room heating
Industrial, lab and room heating for various applications, matched to specific requirements for continuous operation and in industrial environments.
Plastic welding
Plastic welding as a product and application field in the context of electrothermal appliances and heating systems.
Custom-made special designs
Specific custom-made designs of electrothermal appliances and heating elements according to customer requirements.
Trust & reputation

ranQ Trust Score of Vulkan AG Fabrik elektrothermischer Apparate: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Vulkan AG Fabrik elektrothermischer Apparate scores 48.5 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.53.524%
  • 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.35.310%
  • 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.50.08%
Vulkan AG Fabrik elektrothermischer Apparate 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%
Vulkan AG Fabrik elektrothermischer Apparate scores 83.3 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).83.322%
Vulkan AG Fabrik elektrothermischer Apparate scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Vulkan AG Fabrik elektrothermischer Apparate reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.3 out of 5 stars from 3 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
3.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.33
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Trischlistrasse 25
9400 Rorschach
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.599.623
Founded
1948 · 78 years
Last commercial register change
June 15, 2020
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.100.06%
  • 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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