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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectLucerneIwan Bühler Architekten GmbH
Iwan Bühler Architekten GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Iwan Bühler Architekten GmbH develops and delivers architectural projects involving new construction, alterations and renovations. Its work includes feasibility studies, competitions, and study and direct commissions.

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Presence

Service area

Offering

Products & services

Industry:Architect
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3.9/5

Iwan Bühler Architekten GmbH

✓ Offered1
Architectural services
New construction, refurbishment and renovation; feasibility studies, competitions as well as study and direct commissions for various construction projects.
Trust & reputation

ranQ Trust Score of Iwan Bühler Architekten GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of November 2026

Iwan Bühler Architekten GmbH 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%
Iwan Bühler Architekten GmbH scores 86.7 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.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.70.07%
Iwan Bühler Architekten GmbH scores 88.3 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).88.322%
Iwan Bühler Architekten GmbH scores 55.0 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 35.100.04%
  • 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

Iwan Bühler Architekten GmbH 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. As of November 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.

Press

Media

May 12, 2026Media
Stadtvilla in Luzern Iwan Bühler Architekten GmbH
swiss-architects.com
December 25, 2022Media
Hotel-Architektur: Wahrzeichen der Belle Époque
derbund.ch

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Location

Geissensteinring 41
6005 Lucerne

At a glance

Legal form
Limited Liability Company
UID
CHE-107.452.237
Founded
1998 · 28 years
Last commercial register change
April 25, 2024
Employees
11 to 20

Active in 1 of 26 cantons

  • LULucerne
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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