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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectOberlunkhofenKoch Architektur AG
Koch Architektur AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Koch Architektur AG is an architectural practice working on residential and commercial buildings. Its activities include new construction, renovations, construction supervision and construction management, with projects such as single-family homes, apartment buildings and commercial buildings.

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Service area

Offering

Products & services

Industry:Architect
✓ Offered4
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Koch Architektur AG

Planning
Planning of residential and commercial buildings, including new builds and conversions; projects are accompanied from conception through to execution.
Site management
Site management for new-build and conversion projects; coordination of the execution and support of ongoing construction projects.
Construction management
Construction management for residential and commercial buildings; organisational and coordination support for building projects alongside planning and site management.
Sale of real estate projects
Sale of planned residential buildings and condominiums, such as developments, single-family homes and multi-family houses, as part of the partners’ sales process.
Trust & reputation

ranQ Trust Score of Koch Architektur AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Koch Architektur AG 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.
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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%
Koch Architektur AG scores 78.3 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%
Koch Architektur 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%
Koch Architektur AG scores 37.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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

Koch Architektur AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Chileweg 6c
8917 Oberlunkhofen

At a glance

Legal form
Corporation
UID
CHE-179.979.532
Founded
2017 · 9 years
Last commercial register change
August 4, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGOberlunkhofen
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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