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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionBoswilT. Keller AG
T. Keller AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

T. Keller AG provides welding and fabrication services for steel, stainless steel and aluminium. The company also produces its own in-house products and manufactures constructions and components from these materials.

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Offering

Products & services

Industry:Metal ConstructionMetal Industry
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T. Keller AG

✓ Offered3
Steel welding
Welding of unalloyed and low-alloy steels, including MAG, TIG and electrode welding for constructions, frames, beam connections and site assembly work.
Stainless steel welding
Welding of chrome steel and stainless steel with TIG and MAG processes, surface treatment, and connections for railings, stainless steel constructions and hygienic applications.
Aluminium welding
Welding of aluminium with TIG and MIG processes, surface treatment, and stable, corrosion-resistant joints for thin-walled, visible and industrial components.
Trust & reputation

ranQ Trust Score of T. Keller AG: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 54% · As of October 2026

T. Keller 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%
T. Keller AG scores 42.7 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.0.012%
  • 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%
T. Keller AG scores 83.3 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).83.322%
T. Keller AG scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

T. Keller AG reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». 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.

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Location

Bahnhofstrasse 18
5623 Boswil

At a glance

Legal form
Corporation
UID
CHE-397.847.390
Founded
2026 · 0 years
Last commercial register change
January 30, 2026
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.
100.0
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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