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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesFloor layerRiehenNona GmbH
Nona GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Nona GmbH installs natural stone and ceramic tiles, parquet and other floor coverings. Its services also include renovation, repair and demolition work.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Floor layerTiler
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4.1/5

Nona GmbH

✓ Offered5
Floor and tile coverings
Natural stone and ceramic tiles, parquet and other floor coverings; installation, renovations, repairs and demolition work in the field of floor and tile coverings.
Natural stone / ceramic tiles
Natural stone and ceramic tiles for floor solutions; precise installation for durable and aesthetic floor coverings.
Parquet / floor coverings
Parquet and other floor coverings; installation with a focus on residential and work areas.
Renovation and repair services
Renovation and repair work for floors and tile coverings; restoration and modernisation of existing floor coverings.
Demolition work
Demolition work to prepare new floor coverings or for complete room renovations; safe and professional execution.
Trust & reputation

ranQ Trust Score of Nona GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Nona 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%
Nona GmbH scores 83.0 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%
Nona 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%
Nona GmbH scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nona GmbH 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 November 2026.

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

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Location

Stiftsgässchen 9
4125 Riehen

At a glance

Legal form
Limited Liability Company
UID
CHE-114.961.283
Founded
2009 · 17 years
Last commercial register change
December 16, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BSRiehen
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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