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

About the company

Seraina Merz Architektur GmbH is an architectural practice providing design and construction-phase services for new buildings, renovations and energy-efficient refurbishments, and participates in architectural competitions. The practice works on residential, school and commercial projects.

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Products & services

Industry:Architecture Firms
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3.9/5

Seraina Merz Architektur GmbH

4
Architectural services
Architectural services for residential buildings, school buildings, parish houses, commercial buildings and conversions; project development, new build, extension and renovation.
Conversion and renovation
Conversion, energy refurbishment and renovation of residential buildings, restaurants, bakeries and other existing structures.
New build and extension
New build and extension of residential, school and commercial buildings as well as of religious and community buildings.
Competition and study projects
Competition and study projects for residential construction, school construction and public buildings; individual projects are identified with competition entries and awards.
Trust & reputation

ranQ Trust Score of Seraina Merz Architektur GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Seraina Merz 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.
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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%
Seraina Merz Architektur GmbH scores 67.8 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.64.612%
  • 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%
Seraina Merz Architektur GmbH 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%
Seraina Merz Architektur GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Seraina Merz Architektur GmbH reaches a ranQ Trust Score of 3.9 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 October 2026.

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

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Location

Kernstrasse 50
8004 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-471.321.543
Founded
2021 · 5 years
Last commercial register change
September 13, 2024
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.
88.0
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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