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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceGlattfeldenErnst Keller GmbH
Ernst Keller GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ernst Keller GmbH is interior finishing and carpentry, particularly the manufacture and installation of furniture, doors, kitchens and other wood and material work for private and commercial purposes.

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Offering

Products & services

Industry:Building MaintenanceInterior Construction
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4.2/5

Ernst Keller GmbH

✓ Offered5
Kitchen fitting
Individual kitchens to measure, from consulting and planning to site management; freely selectable sizes, materials and finishes such as granite, chrome steel, synthetic resin or glass.
Interior fit-out
Furniture for bedrooms, offices and living-/dining rooms, implemented individually according to your wishes; design and renovation of interior spaces with wood and other materials.
Conversion
Advice and coordination of conversions in kitchens, living rooms and other areas; preparation of the construction programme to provide an overview of processes on site.
Repairs
Repairs and reuse instead of discarding, focusing on preservation and restoration of existing components.
Custom-made furniture
Built-in wardrobes, beds, tables and other furniture in individual designs; made for different living and working areas.
Trust & reputation

ranQ Trust Score of Ernst Keller GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ernst Keller GmbH scores 74.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.79.424%
  • 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.52.910%
  • 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%
Ernst Keller GmbH scores 83.0 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%
Ernst Keller GmbH scores 83.3 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).83.322%
Ernst Keller GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ernst Keller GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Industriestrasse 4
8192 Glattfelden

At a glance

Legal form
Limited Liability Company
UID
CHE-101.875.705
Founded
1995 · 31 years
Last commercial register change
July 6, 2009
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.
88.0
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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