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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectLucerneJJAdM Architektur GmbH
JJAdM Architektur GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

JJAdM Architektur GmbH is an architecture practice working on competitions, feasibility studies and building projects. Its work includes new construction, alterations to existing buildings and the restoration of heritage properties, with services covering the project phases from competition through to handover.

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Service area

Offering

Products & services

Industry:Architect
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4.0/5

JJAdM Architektur GmbH

✓ Offered6
Architectural services
Architecture for new builds, conversions, extensions and replacement new builds; development of projects across all SIA phases from the competition to the handover of keys.
Construction management
Construction management for projects in existing buildings and for new builds, including implementation and coordination up to completion.
Competitions and feasibility studies
Competitions, studies and conceptual preliminary work for building projects, also in collaboration with other architecture firms.
Alterations and renovation
Conversions, renovations and restorations of residential buildings, villas and other existing properties, with interventions in the existing structure.
Heritage conservation and restoration
Restoration and heritage-appropriate further development of protected buildings, with interventions in historical fabric, façades, roofs and interior spaces.
New construction and replacement construction
New construction and replacement construction for residential buildings and public or cultural facilities, from planning to implementation.
Trust & reputation

ranQ Trust Score of JJAdM Architektur GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

JJAdM Architektur GmbH 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%
JJAdM Architektur GmbH scores 67.8 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.64.612%
  • 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%
JJAdM Architektur GmbH 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%
JJAdM Architektur GmbH scores 6.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JJAdM Architektur GmbH reaches a ranQ Trust Score of 4.0 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

Schlossweg 9
6005 Lucerne

At a glance

Legal form
Limited Liability Company
UID
CHE-348.431.736
Founded
2021 · 5 years
Last commercial register change
January 20, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LULucerne
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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