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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLausannePhilippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l.
Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Guyot Architecture is the provision of architectural services, particularly in the areas of: planning and realization of new buildings, transformation and renovation of existing buildings, and architectural studies and concepts. The company specializes in the field of residential construction, particularly in the construction of multi-family homes.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Architectural studies and concepts
Studies for new-build or conversion building projects, preliminary designs, programme structuring, complete file for public inquiry and building permit.
Construction of residential and commercial buildings
Construction of residential and commercial buildings, with detailed execution plans, specifications by trade and coordination of the construction mandate.
Building transformations and renovations
Transformation of existing buildings, renovation of villas and buildings, with feasibility studies, design, execution file and supervision of the mandate.
Development of plots and districts
Development on undeveloped land, environmental analysis, design according to usage requirements, study of building possibilities and district plan.
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4.1/5

Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l.

Trust & reputation

ranQ Trust Score of Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. 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%
Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. scores 83.0 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.55.07%
Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. scores 85.0 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).85.022%
Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Philippe C. Guyot arch. dipl. EPFZ/SIA études et conceptions architecturales S.à r.l. 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 54%, 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.

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Location

Rue du Valentin 34
1004 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-104.303.090
Founded
1995 · 31 years
Last commercial register change
March 10, 2011
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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