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

About the company

Antje Schumann Holding GmbH is an architecture and interior design firm that supports projects from concept development through to execution. Its services include interior design, client advisory, project management, and planning for conversions and renovations.

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Offering

Products & services

Industry:Architecture FirmsConstruction & Project Management
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Antje Schumann Holding GmbH

Holding Companies
✓ Offered4
Interior Design
Design of residential, sales, meeting and work spaces; planning of room functions, materials, colour schemes, lighting moods, bathrooms and kitchens, and technical installations.
Client advisory
Advisory and representation for clients; review of architects’, specialist planners’ and general contractors’ services, communication with project partners, and support for project adjustments and difficult developments.
Project management
Planning and delivery according to SIA 102; strategic planning, preliminary studies, design development, tendering and execution, including cost, schedule and quality control, site management and handover.
Remodelling and renovation
Remodelling, renovation and refurbishment of residential buildings; attic conversions, extensions, home renovations, and design concepts for existing buildings and historic structures.
Trust & reputation

ranQ Trust Score of Antje Schumann Holding 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 Holding 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 Holding GmbH scores 50.8 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.25.012%
  • 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 Holding GmbH scores 83.3 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).83.322%
Antje Schumann Holding 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

At a glance

Legal form
Limited Liability Company
UID
CHE-398.763.471
Founded
2025 · 1 year
Last commercial register change
June 8, 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.
88.0
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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