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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichChristoph Erni Architektur GmbH
Christoph Erni Architektur GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Christoph Erni Architektur GmbH is the planning, consulting and implementation of architecture and interior design projects, including new buildings, conversions, renovations, expansions and feasibility studies, as well as the provision of services such as color and furniture consulting, construction management and permits.

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Products & services

Industry:Architecture Firms
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Christoph Erni Architektur GmbH

✓ Offered4
Architecture and interior design services
Consulting, conversions, new builds, renovations, extensions, construction management, approvals and feasibility studies for architecture and interior design projects from concept to execution.
Color and furniture consulting
Color and furniture consulting for rooms and projects, tailored to needs, functionality and the design concept.
Bathroom conversions
Small bathroom conversions and bathroom conversion projects from concept to construction execution.
Kitchen conversions
Small kitchen conversions as part of renovation and interior design projects.
Trust & reputation

ranQ Trust Score of Christoph Erni Architektur GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Christoph Erni Architektur GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Christoph Erni Architektur GmbH scores 75.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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%
Christoph Erni Architektur 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%
Christoph Erni Architektur GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Bühlstrasse 39
8055 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-318.049.823
Founded
2017 · 9 years
Last commercial register change
October 30, 2025
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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