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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsMünchenbuchseeBruno Arn AG
Bruno Arn AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bruno Arn AG is an architecture firm providing design and planning services for projects including public buildings, residential and commercial developments, timber construction, building preservation and furniture.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered8
Architecture
Architecture for residential, commercial and public buildings; new builds, conversions, renovations and projects within existing stock, with a particular focus on timber construction and heritage preservation.
Conversions and renovations in existing buildings
Conversions, renovations and change-of-use projects for existing buildings, including work on residential, commercial and public buildings as well as listed heritage properties.
Heritage preservation
Planning and development of projects involving buildings worthy of protection and listed heritage buildings, often in combination with conversions, renovations or change of use.
Timber construction
Architectural and project services for timber construction projects, including public buildings, residential buildings and timber solutions in existing stock.
Residential buildings
Architecture for residential buildings, housing developments, conversions and residential projects in existing stock, including timber and heritage preservation projects.
Commercial buildings
Architecture for commercial buildings, retail and business uses, as well as commercial conversions and projects in existing stock.
Public buildings
Architecture for public buildings and facilities, including school, administrative, church and infrastructure projects.
Furniture
Design and execution of furniture in an architectural context, with references to built-ins and furniture projects.
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3.9/5

Bruno Arn AG

Trust & reputation

ranQ Trust Score of Bruno Arn AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Bruno Arn AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Bruno Arn AG 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%
Bruno Arn AG scores 85.0 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).85.022%
Bruno Arn AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bruno Arn AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Oberdorfstrasse 33
3053 Münchenbuchsee

At a glance

Legal form
Corporation
UID
CHE-103.400.359
Founded
1975 · 51 years
Last commercial register change
December 28, 2017
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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