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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingBiel/BienneCalderari AG
Calderari AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company specializes in the installation, renovation, and maintenance of floor coverings, as well as the creation of drywall elements. The core activities include: * Installation of various floor coverings such as parquet, carpet, laminate, linoleum, cork, rubber, and ceramic wall and floor coverings * Renovation and refurbishment of floor coverings, including basic cleaning, grinding, sealing, and oiling of parquet surfaces * Repair and renovation work on stairs and floor coverings * Creation of drywall elements and screeds * Investigation and remediation of damage such as asbestos in floor coverings and water damage to floor coverings * Shading systems and dirt-trapping systems * Floor care and maintenance of floor coverings The company also offers comprehensive consulting and planning for the selection and installation of floor coverings.

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Offering

Products & services

Industry:Flooring & Tiling
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4.6/5

Calderari AG

✓ Offered8
Floor coverings
Parquet, carpet / textile / needle felt, design floorings / resilient floor coverings, laminate, linoleum, cork, as well as ceramic wall and floor coverings.
Installation of floor coverings
Professional installation of parquet, carpet, design flooring, PVC, laminate, linoleum, cork, rubber, dirt-trapping systems, and ceramic wall and floor coverings.
Repairs and renovation work for floor coverings
Repair and renovation work on stairs and floor coverings, including spot repairs and lasting restoration of damage.
Sanding, sealing and oiling parquet
Deep-clean, sand, seal and oil parquet surfaces to prepare and maintain existing floors.
Advice and measurements
Personal advice by phone, in the showroom, at home or on the construction site, as well as expert measuring and fair offers.
Showroom
Showroom in Biel with appointment visit for selecting floor coverings and personal on-site advice.
Floor care products
Floor care products for ordering or picking up in-store, including a personal introduction to floor care after completion.
Custom-made shading systems
Custom-made shading systems for living spaces, for darkening as well as protection from prying eyes, glare and overheating; in addition, plissé and insect protection.
Trust & reputation

ranQ Trust Score of Calderari AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Calderari AG scores 94.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.90.524%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Calderari AG scores 89.3 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.70.07%
Calderari AG 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%
Calderari AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Calderari AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 56 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 56 reviews across all connected sources

Sources
GGoogle4.956
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Johann-Renfer-Strasse 7
2504 Biel/Bienne
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.891.703
Founded
1989 · 37 years
Last commercial register change
March 20, 2023
Employees
11 to 20
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.
100.0
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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