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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionSamstagernKeller Metallbau AG
Keller Metallbau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Keller Metallbau AG is the manual production and assembly of metal parts and constructions, particularly in the area of: doors, gates, windows, stairs, railings, conservatories, bay windows, balconies, roofs, fences, steel constructions, shop window systems and glazing. The company's services also include metal construction, locksmith work, sheet metal processing (punching, bending, welding, etc.) and consulting, planning and execution of individual metal construction projects. Thus, the company offers a comprehensive range of services in the field of metal construction.

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Products & services

Industry:Metal Construction
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3.9/5

Keller Metallbau AG

✓ Offered7
Metal construction and metal locksmithing
Advice, planning and execution of metal construction and metal locksmithing work; craft fabrication of metal components in steel, stainless steel and aluminium.
Doors and gates
Doors and gates in metal construction design, manufactured and installed as part of the metal locksmithing and metal construction works.
Windows and glazing
Windows, shopfront glazing systems and glazed elements in metal construction, including craft fabrication and installation.
Staircases and railings
Metal staircases and railings for new builds and renovations, manufactured as part of the metal locksmithing and metal construction works.
Conservatories, bay windows and balconies
Conservatories, bay windows and balconies in metal and glazing design, as part of individual metal construction projects.
Roofs and fences
Metal roofs and fences, manufactured and executed in the field of metal locksmithing and metal construction.
Steel structures
Steel structures based on consultation, planning and execution, craft-made in steel, stainless steel and aluminium.
Trust & reputation

ranQ Trust Score of Keller Metallbau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Keller Metallbau AG scores 71.1 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.65.024%
  • 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.72.110%
  • 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.88.08%
Keller Metallbau AG scores 63.4 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.39.612%
  • 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%
Keller Metallbau AG scores 86.7 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).86.722%
Keller Metallbau AG scores 13.6 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Keller Metallbau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 16 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.316
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 20, 2024Media
Nachhaltiges Bauen in Wädenswil Sogar gebrauchte Steckdosen nehmen sie für ihren Neubau mit
tagesanzeiger.ch

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Location

Tambourstrasse 2
8833 Samstagern
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 13:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-143.691.298
Founded
2024 · 2 years
Last commercial register change
August 27, 2025
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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