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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsKönizSonja Kissling
Sonja Kissling Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Sonja Kissling's company is spatial design and architecture, particularly the planning and design of living and residential spaces, including interior architecture and Feng-Shui consulting.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Room design
Design of living spaces, terraces and gardens; advice on implementation, materials, shapes and colours as well as on the harmonious effect of rooms.
Architecture and client advisory services
Planning, design and implementation of single-family homes, multi-family homes, conversions and colour and design concepts for various construction projects.
Renting living space
Rental of apartments in the multi-family building at Talbrünnliweg 11 in Köniz; ground-floor, upper-floor and attic apartments, partly let and partly owner-occupied.
Art
Art with paintings and sculptures; works by Helga Jernberg as well as later works by Sonja Kissling.
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4.1/5

Sonja Kissling

Trust & reputation

ranQ Trust Score of Sonja Kissling: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Sonja Kissling 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%
Sonja Kissling scores 78.5 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.55.07%
Sonja Kissling 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%
Sonja Kissling scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sonja Kissling 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 54%, 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.

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Location

Talbrünnliweg 11
3098 Köniz

At a glance

Legal form
Sole proprietorship
UID
CHE-102.243.560
Founded
2001 · 25 years
Last commercial register change
August 21, 2012
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.
67.0
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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