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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZugCastiglioni Partner Architekten AG
Castiglioni Partner Architekten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Castiglioni Partner Architekten AG is the provision of architectural services, in particular the development and planning of new buildings, conversions and renovations, as well as the creation of studies on individual plots of land.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architectural design
Development and planning of new builds, renovations and conversions; studies of individual properties as well as conceptual work for building projects.
New-build projects
Planning and delivery of new-build projects for residential and commercial buildings, tailored to the site and intended use.
Conversions and renovations
Conversions, renovations, refurbishments and extensions of existing buildings, from single-family homes to residential and commercial buildings.
Studies and feasibility studies
Studies of individual plots as well as feasibility and preliminary studies for building projects and areas.
Competitions and study mandates
Participation in architecture competitions, project competitions and study assignments to strengthen conceptual skills.
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4.1/5

Castiglioni Partner Architekten AG

Trust & reputation

ranQ Trust Score of Castiglioni Partner Architekten AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Castiglioni Partner Architekten 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%
Castiglioni Partner Architekten AG scores 85.5 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.100.012%
  • 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%
Castiglioni Partner Architekten AG 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%
Castiglioni Partner Architekten AG scores 4.3 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 35.8.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Castiglioni Partner Architekten 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 58%, 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.

Press

Media

January 16, 2020Media
Gekommen, um zu bleiben - Romana Castiglioni, Alexia Sawerschel und Besa Zajmi sprachen mit Elias Baumgarten über die Entwicklung ihres Büros und ihre neusten Erfolge.
swiss-architects.com

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Location

Bahnhofstrasse 16
6300 Zug

At a glance

Legal form
Corporation
UID
CHE-100.062.349
Founded
1984 · 42 years
Last commercial register change
June 23, 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.100.06%
  • 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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