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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLausanneDREIER FRENZEL Sàrl
DREIER FRENZEL Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DREIER FRENZEL ARCHITECTURE + COMMUNICATION is the provision of architecture and communication services, particularly in the following areas: Architecture: planning and realization of buildings, apartments, office buildings, public facilities, and urban development projects. Communication: support in communicating and presenting architectural projects, including the organization of competitions and the creation of visual materials. The company thus offers comprehensive services in the fields of architecture and communication to support customers in the realization of their construction projects.

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Products & services

Industry:Architecture Firms
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DREIER FRENZEL Sàrl

✓ Offered3
Architecture
Architecture projects, competitions, site and built work for housing, public facilities, alterations and renovations.
Architectural transformations and renovations
Transformations, renovations and redesign of existing buildings, notably for apartment buildings, houses and institutional buildings.
Public facilities and institutional buildings
Design of courts, town halls, care homes, centres and other public or semi-public buildings.
Trust & reputation

ranQ Trust Score of DREIER FRENZEL Sàrl: 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.

DREIER FRENZEL Sàrl 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%
DREIER FRENZEL Sàrl scores 86.7 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%
DREIER FRENZEL Sàrl 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%
DREIER FRENZEL Sàrl scores 56.7 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 35.80.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

DREIER FRENZEL Sàrl 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

May 29, 2026Media
«Begegnungen ermöglichen»
hochparterre.ch
May 29, 2026Media
Treppen an die Luft gesetzt
hochparterre.ch
April 18, 2024Media
Verantwortung übernehmen -
swiss-architects.com
November 29, 2023Media
Erfolgsrezept für das kollektive Wohnen Rezension «Social Loft» von Yves Dreier + Eik Frenzel
espazium.ch
June 3, 2021Media
Der Artamis-Archipel
espazium.ch

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Location

Avenue du Rond-Point 18
1006 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-114.395.716
Founded
2008 · 18 years
Last commercial register change
December 14, 2023
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.
88.0
6%
  • 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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