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DirectoryConstruction & ArchitectureArchitectZurichsiamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA
siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA designs and plans architectural and interior architecture projects. Its work also includes urban and environmental planning, as well as research and development in design.

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Service area

Offering

Products & services

Industry:Architect
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3.7/5

siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA

✓ Offered4
Architectural design
Architectural design, spatial design with light, surfaces, colour and graphics; developing spatial experiences for sustainable, social, cultural, technological and ecological contexts.
Interior design
Interior design for residential buildings, functional workplaces and public spaces; designing comfortable, imaginative and health-promoting interiors.
Urban and environmental planning
Planning in the context of cities, urbanisation processes, urban ecologies and urban planning; shaping the urban fabric and public spaces.
Research and planning
Pragmatic design research, studies and case studies; deriving research and planning work from the analysis of design questions.
Trust & reputation

ranQ Trust Score of siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of November 2026

siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.224%
  • 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.17.610%
  • 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.35.08%
siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA scores 74.0 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.89.612%
  • 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%
siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA scores 86.7 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).86.722%
siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

siamak.ch Architekturbüro Siamak Ghoddoussi Shahneshin, AA, AIA, ETH, SIA reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Weite Gasse 4
8001 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-249.958.431
Founded
2015 · 11 years
Last commercial register change
April 29, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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.67.06%
  • 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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