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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMetal IndustrySchwarzenbach SgListemann AG Werkstoff- und Wärmebehandlungstechnik
Listemann AG Werkstoff- und Wärmebehandlungstechnik Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the development and application of innovative material technologies and thermal process techniques to optimize manufacturing processes and produce precision assemblies. This includes, in particular, heat treatment, joining technology, additive manufacturing, and the refinement of metallic assemblies. The company supports customers in various industries, such as aerospace, energy and environmental technology, mechanical engineering, tool and mold making, semiconductor and medical technology, in the development and production of high-performance components and machines.

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Offering

Products & services

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4.1/5

Listemann AG Werkstoff- und Wärmebehandlungstechnik

Metal Industry
✓ Offered7
Heat treatment
Heat treatment processes for metallic materials, including vacuum hardening, tempering, solution annealing, age hardening, stress relieving annealing and soft annealing.
Brazing
Vacuum and protective gas brazing for reliable, metallurgically bonded joints of complex components and demanding materials; used, for example, in aerospace and medical technology.
Electron beam welding
Electron beam welding in vacuum for highly precise, low-distortion joints with great penetration depth and good seam quality, including for complex geometries.
Laser cladding (LMD)
Laser cladding for functional coatings and high-quality repair of components; described on the website as additive manufacturing with versatile potential.
Materials consulting and engineering
Materials consulting, pilot and sample production, process management ready for series production, and technical support from problem definition to the serial component.
Procurement, manufacturing and testing
Material procurement, mechanical pre- and post-processing, component inspection according to the required testing procedure, and coordinated overall production with partner companies.
Training
Training for designers and technicians on using manufacturing technologies, on request also on-site at the customer; participation in external training events and conferences.
Trust & reputation

ranQ Trust Score of Listemann AG Werkstoff- und Wärmebehandlungstechnik: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Listemann AG Werkstoff- und Wärmebehandlungstechnik scores 69.2 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.74.424%
  • 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.49.510%
  • 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.78.08%
Listemann AG Werkstoff- und Wärmebehandlungstechnik scores 67.9 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.50.012%
  • 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%
Listemann AG Werkstoff- und Wärmebehandlungstechnik 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%
Listemann AG Werkstoff- und Wärmebehandlungstechnik scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Listemann AG Werkstoff- und Wärmebehandlungstechnik reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Niederstettenstrasse 4
9536 Schwarzenbach Sg
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-304.832.900
Founded
2023 · 3 years
Last commercial register change
January 23, 2026
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.100.06%
  • 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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