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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsColognyGIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl
GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Girani & Perrillat is architecture and construction management, particularly in the planning, monitoring and assistance of construction projects, including the transformation, renovation and energy-efficient refurbishment of buildings.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Construction management
Construction management, pre-costing, technical coordination, managing the consultants, invitation to tender, award, contracts, scheduling, direction and coordination of the contractors, accounting, handover of the works.
Architecture
Project support from concept to delivery, for small- or large-scale projects.
Project management – Owner’s representative (AMO)
Support for the client/owner, controlling and dossier administration, cost monitoring, general scheduling, matching programme and project, selection of contracts and assistance with handover of the works.
Construction economics
Cost estimation for real estate projects, consolidation of the financial approach, definition of strategies and realistic technical options according to the budget.
Transformation, renovation, energy improvement
Transformation and renovation projects, including occupied villas and apartment buildings, integrating energy improvements and coordinating specialist consultants.
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3.9/5

GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl

Trust & reputation

ranQ Trust Score of GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl scores 67.5 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.75.024%
  • 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.40.910%
  • 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.78.08%
GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl scores 79.4 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.83.012%
  • 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%
GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl 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%
GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl scores 0.5 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 35.0.94%
  • 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

GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 20, 2019Media
Le pavillon Geisendorf: né du sol genevois
espazium.ch

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Comparisons

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Location

Chemin Frank-Thomas 54
1223 Cologny
Opening hours
Mon
09:00 - 12:00, 14:00 - 17:00
Tue
09:00 - 12:00, 14:00 - 17:00
Wed
09:00 - 12:00, 14:00 - 17:00
Thu
09:00 - 12:00, 14:00 - 17:00
Fri
09:00 - 12:00, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-278.281.151
Founded
2017 · 9 years
Last commercial register change
October 21, 2025
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.88.06%
  • 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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