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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSchmerikonSTOWAG Ofen- und Wärmetechnik AG
STOWAG Ofen- und Wärmetechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of STOWAG - Ofen- und Wärmetechnik AG is the planning, implementation and maintenance of plant solutions for heat treatment processes, including the provision of spare parts, charging media and testing equipment as well as expert advice and support.

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Products & services

Industry:Technical Consulting & Engineering
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STOWAG Ofen- und Wärmetechnik AG

✓ Offered6
Engineering
Retrofit of process plants, plant evaluation, setting up and installing heat-treatment areas, developing heat-treatment concepts, engineering as total contractor (GU), independent process consulting.
Procurement of plants and operating equipment
Fully or semi-automatic systems, single installations for different processes, spare parts, charging materials, test and measuring instruments, temperature probes and thermocouples.
Plant engineering
Protective gas systems, vacuum systems, nitriding systems, induction systems, belt systems, through-pass systems, cleaning systems, freezing systems, blasting systems, trovalising systems, water supply systems and water treatment systems.
Charging materials
Charging baskets, base and top grates, wire-mesh grids, inlay cassettes, complete charging systems, welded constructions and charging systems made of CFC and fibre ceramics.
Measurement and control technology
Mobile UCI hardness testing, hardness testing using a magneto-inductive method, mobile crack testing and temperature measurements.
Accessories and spare parts
Refractory products, heating and cooling channels, retorts for shaft or belt furnaces, conveyor belts for belt systems, heaters, hot-gas recirculators and insulation.
Trust & reputation

ranQ Trust Score of STOWAG Ofen- und Wärmetechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

STOWAG Ofen- und Wärmetechnik AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
STOWAG Ofen- und Wärmetechnik AG 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%
STOWAG Ofen- und Wärmetechnik 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%
STOWAG Ofen- und Wärmetechnik AG scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STOWAG Ofen- und Wärmetechnik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Sonnenrain 5
8716 Schmerikon
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
Corporation
UID
CHE-100.223.977
Founded
1985 · 41 years
Last commercial register change
September 20, 2021
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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