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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichsiruzu AG
siruzu AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of sirizu AG is architecture. The website lists various architects as team members, and the contact details include the professional titles "dipl. arch." and "MSc ETH Architect", indicating a professional architecture practice.

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Offering

Products & services

Industry:Architecture Firms
✓ Offered5
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3.9/5

siruzu AG

Architectural services
Architectural planning for urban development projects, housing construction, public and private uses; conversions and internal fit-outs, adaptations to existing structures, execution and detail planning.
Housing construction
Planning of housing estates, multi-family houses and residential buildings in an urban context, sometimes with commercial uses on the ground floor.
Urban planning
Urban development projects, densification, infill development, integration into the existing fabric and spatial development strategies.
Conversions and renovation
Conversions, internal fit-outs and renovations of residential and commercial buildings as well as retail and gastronomy spaces in existing properties.
Commercial and mixed-use buildings
Planning of residential and commercial buildings, retail spaces and public-oriented commercial areas in mixed uses.
Trust & reputation

ranQ Trust Score of siruzu AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

siruzu 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.
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%
siruzu AG scores 64.1 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.50.012%
  • 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%
siruzu AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
siruzu AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

siruzu AG 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

Hardturmstrasse 169
8005 Zurich

At a glance

Legal form
Corporation
UID
CHE-222.608.694
Founded
2023 · 3 years
Last commercial register change
April 14, 2023
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.
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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