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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLucerneAntje Schumann Architektur GmbH
Antje Schumann Architektur GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Antje Schumann Architektur GmbH is the planning, design and implementation of architecture and design projects, particularly in the field of interior design, renovation and refurbishment of residential, sales, meeting and work spaces. The company also offers owner consulting, project management and renovation planning services.

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Products & services

Industry:Architecture Firms
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Antje Schumann Architektur GmbH

5
Project management
Project management according to SIA 102, from strategic planning and preliminary studies through design development, tendering and building approval to completion, construction management, and cost and schedule control.
Interior Design
Interior Design for residential, retail, meeting and working spaces, including room functions, building automation, electrical planning, bathroom and kitchen design, material specification and colour design.
Conversion and Renovation
Conversion and renovation of properties, from attic build-outs and extensions to refurbishment; design concepts, planning and structured execution for existing buildings.
Client advisory
Client advisory with support for the client’s tasks and obligations, review of the architects’ and specialist planners’ services, communication, document review and project adjustments.
Architectural services for residential and commercial projects
Architecture from concept development to completion for new-build housing, conversions as well as gastronomy, hotels, customer areas, workspace and retail projects.
Trust & reputation

ranQ Trust Score of Antje Schumann Architektur GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Antje Schumann 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%
Antje Schumann Architektur GmbH scores 75.7 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.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.55.07%
Antje Schumann 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.
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%
Antje Schumann Architektur GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Rigistrasse 28
6006 Lucerne
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-381.288.409
Founded
2017 · 9 years
Last commercial register change
March 11, 2026
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%
    • Full methodology

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