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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichErnst Büroarchitektur AG
Ernst Büroarchitektur AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ernst Büroarchitektur AG is the planning and design of office workspaces, particularly with a focus on acoustics and aesthetics, to create harmonious and functional working environments.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Office architecture
Office architecture for contemporary workspaces, from capturing client requirements through design and concept planning to material and colour suggestions, detailed planning and a building permit application.
Interior fit-out realisation
Realisation of interior fit-outs with detailed execution planning, tenders, contract award, project management, site supervision, as well as acceptance and final invoicing.
Preliminary project
Preliminary project for spatial development including property evaluation, determination of space requirements, room and area analysis, space layout study, cost estimate, interface review for the base build-out and communication.
Furnishing and relocation
Furnishing and relocation with current-state analysis, dynamic zoning plan, furniture planning, requesting offers for furnishing, sample selections and communication.
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4.2/5

Ernst Büroarchitektur AG

Trust & reputation

ranQ Trust Score of Ernst Büroarchitektur AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ernst Büroarchitektur AG scores 69.5 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.73.324%
  • 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.88.08%
Ernst Büroarchitektur AG scores 89.3 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%
Ernst Büroarchitektur AG 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%
Ernst Büroarchitektur AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ernst Büroarchitektur AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 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
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Heinrichstrasse 223
8005 Zurich

At a glance

Legal form
Corporation
UID
CHE-102.218.970
Founded
2001 · 25 years
Last commercial register change
September 22, 2022
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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