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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementSchwellbrunnKoller Immobilien AG, Schwellbrunn
Koller Immobilien AG, Schwellbrunn Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Koller Immobilien AG, Schwellbrunn is presented on the website as Mettler Holzbau GmbH and provides timber construction, prefabricated element construction, interior finishing and carpentry services. The company also handles planning, site management, building permit submissions and project organisation for construction projects.

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Products & services

Industry:Property Management
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4.0/5

Koller Immobilien AG, Schwellbrunn

Timber construction
Timber construction for single-family homes, multi-family houses, residential and commercial buildings, public and agricultural buildings, as well as extensions, storey additions, façades, conversions and renovations.
Joinery
Joinery for interior fit-out, kitchen, bathroom, doors, furniture and flooring.
Planning
Planning with site management, building submissions, construction cost planning, energy statement and building programme.
Project organisation
Project organisation with consulting and planning for construction projects.
Trust & reputation

ranQ Trust Score of Koller Immobilien AG, Schwellbrunn: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Koller Immobilien AG, Schwellbrunn scores 61.4 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.76.724%
  • 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.45.610%
  • 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.35.08%
Koller Immobilien AG, Schwellbrunn scores 85.5 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%
Koller Immobilien AG, Schwellbrunn 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%
Koller Immobilien AG, Schwellbrunn scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Koller Immobilien AG, Schwellbrunn reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Eisigeli
9103 Schwellbrunn
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:15
Tue
07:00 - 12:00, 13:15 - 17:15
Wed
07:00 - 12:00, 13:15 - 17:15
Thu
07:00 - 12:00, 13:15 - 17:15
Fri
07:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.858.108
Founded
1972 · 54 years
Last commercial register change
September 16, 2022
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.100.06%
  • 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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