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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral contractorLucernevier33 architekten ag
vier33 architekten ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

vier33 architekten ag is an architecture practice that plans and develops building projects. Its portfolio includes new buildings, extensions and renovations of residential properties, as well as projects for public facilities and sports venues.

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3.9/5

vier33 architekten ag

Presence

Service area

Active in 1 of 26 cantons · 1 municipality

  • LULucerne
Offering

Products & services

Industry:General contractor
✓ Offered5
Architecture
Architectural projects for residential buildings, multi-family houses, schools and sports facilities as well as multi-purpose facilities; covering new construction, extensions, conversions, top-floor additions, renovations and site development.
Competition projects
Processing of competition submissions for school, residential, sports and multi-purpose buildings; documented in the works list with rankings and awards.
Feasibility studies
Feasibility studies for site developments and replacement new builds as a basis for further planning steps.
Site development
Planning and development of sites, including urban-planning and structural concepts for plots of land and larger residential contexts.
Renovation and refurbishment
Renovation and conversion of apartments, single-family and multi-family houses as well as of façades, including interior fit-out and top-floor additions.
Trust & reputation

ranQ Trust Score of vier33 architekten ag: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of November 2026

vier33 architekten ag 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%
vier33 architekten ag scores 64.1 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.50.012%
  • 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%
vier33 architekten ag scores 85.0 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).85.022%
vier33 architekten ag scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

vier33 architekten ag reaches a ranQ Trust Score of 3.9 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 November 2026.

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

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Location

Hirschengraben 52
6003 Lucerne

At a glance

Legal form
Corporation
UID
CHE-212.177.089
Founded
2023 · 3 years
Last commercial register change
August 15, 2023
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.
100.0
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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