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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryMetal processorHerzogenbuchseeHeinz Lienhard AG
Heinz Lienhard AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Heinz Lienhard AG provides heat treatment and surface finishing for metals, including blackening. Its services include hardening, case hardening, tempering, annealing, hardness testing, cryogenic treatment and blasting.

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Offering

Products & services

Industry:Metal processor
✓ Offered5
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4.1/5

Heinz Lienhard AG

Heat treatment
Hardening and tempering, case hardening, carbonitriding, quench and temper, step tempering between stages, nitrocarburising and annealing for workpieces from the mechanical engineering industry.
Bluing
Bluing of metal parts as a surface technology service, complemented by suitable bluing systems and an automatic bluing machine on the website.
Testing and measuring services
Hardness testing, measuring coercive field strength and spectroscopic analyses for quality control of treated workpieces.
Post-treatment and further processing
Deep freezing, shot and sand blasting, straightening, shrink fitting and washing as supplementary processing steps after heat treatment.
Annealing of magnetic soft iron
Annealing of magnetic soft iron as a specialized heat-treatment service for corresponding materials.
Trust & reputation

ranQ Trust Score of Heinz Lienhard AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Heinz Lienhard 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.
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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%
Heinz Lienhard AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Heinz Lienhard AG 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%
Heinz Lienhard AG scores 14.0 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 35.14.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Heinz Lienhard 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Wangenstrasse 102
3360 Herzogenbuchsee
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.235.355
Founded
1984 · 42 years
Last commercial register change
March 13, 2019
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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