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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLausanneBureau d'architecture Jean-Baptiste Ferrari S.A.
Bureau d'architecture Jean-Baptiste Ferrari S.A. Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Bureau d'architecture Jean-Baptiste Ferrari S.A. is an architecture firm providing architectural design, renovation, transformation and urban-planning services. Its offerings include feasibility studies, preliminary and execution design, BIM coordination, public tendering and construction management for housing, office, public and healthcare buildings.

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Offering

Products & services

Industry:Architecture Firms
✓ Offered2
Architecture
Architecture for residential buildings, facilities, public buildings and commercial projects; studies, competitions, new-build projects, conversions and renovations.
Architecture competitions
Architecture competitions for schools, hospitals, EMS, administrative buildings and public facilities; winning projects and ranked proposals.
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4.3/5

Bureau d'architecture Jean-Baptiste Ferrari S.A.

Trust & reputation

ranQ Trust Score of Bureau d'architecture Jean-Baptiste Ferrari S.A.: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Bureau d'architecture Jean-Baptiste Ferrari S.A. scores 69.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.68.124%
  • 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.72.110%
  • 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.70.08%
Bureau d'architecture Jean-Baptiste Ferrari S.A. scores 94.3 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.90.07%
Bureau d'architecture Jean-Baptiste Ferrari S.A. 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%
Bureau d'architecture Jean-Baptiste Ferrari S.A. scores 52.2 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 35.74.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Bureau d'architecture Jean-Baptiste Ferrari S.A. reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 16 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.416
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 21, 2023Media
Portrait de Jean-Baptiste Ferrari: L’architecture n’est pas sa religion
24heures.ch
October 4, 2023Media
Un bureau lausannois bâtira l'école secondaire des Cherpines
tdg.ch
February 5, 2018Media
Une Maison de l'environnement toute de bois et de pisé
24heures.ch

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Location

Avenue Benjamin-Constant 1
1003 Lausanne
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.627.490
Founded
1986 · 40 years
Last commercial register change
May 5, 2009
Employees
51 to 100
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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