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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsGenevaCHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA
CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Christian Dupraz Architecture Office is the provision of architectural services.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Residential architecture and public facilities
Construction of housing, schools, nurseries, urban houses and public buildings; design and delivery of programmes at different scales.
Building transformations and renovations
Renovation, transformation, roof extensions and enlargements of buildings, schools, villas and existing structures; adaptation of heritage and modern buildings.
Large projects and architecture competitions
Architecture competitions, project studies and mandates for large-scale developments, institutional headquarters and major facilities, with multiple first prizes.
Urban planning and urban strategy
Urban analyses, renovation strategies, planning and reflection on urban structures, neighbourhoods and the transformation of existing building stock.
Heritage architecture and restoration
Restoration of modern heritage buildings and existing works, with interventions in institutes, libraries, chalets and other buildings of heritage value.
Furniture design and design
Design and production of furniture, including storage systems and office furniture; development of furnishing and wall-mounting concepts.
Feasibility studies and analysis mandates
Feasibility studies, analyses of existing structures and development of renovation strategies for sites and urban ensembles.
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4.1/5

CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA

Trust & reputation

ranQ Trust Score of CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA 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%
CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA scores 89.3 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.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.70.07%
CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA scores 86.7 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).86.722%
CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA scores 38.6 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 35.77.14%
  • 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

CHRISTIAN DUPRAZ ARCHITECTURE OFFICE SA 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 28, 2025Media
La cour des possibles Rénovation et agrandissement d’un atelier sur cour
espazium.ch
December 6, 2021Media
La profondeur de la surface
espazium.ch
March 25, 2021Media
Le courage d’un modèle décloisonné Concours pour la rénovation et extension de l’école Liotard à Genève
espazium.ch
May 21, 2019Media
Christian Dupraz Architecte Bâtisseurs Suisses
espazium.ch

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Location

Rue Alcide-Jentzer 11 a
1205 Geneva
Opening hours
Mon
08:00 - 19:00
Tue
08:00 - 19:00
Wed
08:00 - 19:00
Thu
08:00 - 19:00
Fri
08:00 - 19:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.719.265
Founded
2007 · 19 years
Last commercial register change
September 25, 2026
Employees
11 to 20
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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