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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsLes CharbonnièresPianos-Allegro Sàrl
Pianos-Allegro Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company provides services in the field of maintenance and care of pianos and grand pianos, including tuning, repairs and sales of Feurich brand pianos.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered7
Piano tuning
Piano tuning for upright and grand pianos at home in French-speaking Switzerland, with regular service for private customers, music schools and institutions.
Piano harmonisation
Harmonisation and voicing to adapt the sound of an upright or grand piano, adjust the density of the hammers’ felts and improve the acoustic response.
Adjustment, maintenance and repairs of pianos
Mechanical action and keyboard regulation, maintenance, repairs, transformations and restoration of upright, grand and digital pianos.
Piano transport
Moving upright and grand pianos in Switzerland, including collection and transport for private customers and other clients.
Sale of FEURICH pianos
FEURICH upright and grand pianos sold in Switzerland, with models prepared in Vienna and delivery to the customer.
Acoustic speakers OE-One
OE-One stereophonic acoustic speaker, made in Switzerland, intended for music lovers and audiophiles; demonstration on appointment.
OvalSound Stabilizer
Acoustic stabilisation device for listening rooms and musical instruments, designed and manufactured in Switzerland, sold with references and demonstrations.
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4.3/5

Pianos-Allegro Sàrl

Trust & reputation

ranQ Trust Score of Pianos-Allegro Sàrl: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Pianos-Allegro Sàrl scores 78.4 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.84.124%
  • 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.65.210%
  • 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.78.08%
Pianos-Allegro Sàrl scores 86.7 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.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%
Pianos-Allegro Sàrl 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%
Pianos-Allegro Sàrl scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Pianos-Allegro Sàrl reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 12 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
5
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle512
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue du Mont d'Or 15
1343 Les Charbonnières
Opening hours
Mon
09:00 - 20:00
Tue
09:00 - 20:00
Wed
09:00 - 20:00
Thu
09:00 - 20:00
Fri
09:00 - 20:00
Sat
09:00 - 20:00
Sun
09:00 - 20:00

At a glance

Legal form
Limited Liability Company
UID
CHE-115.145.783
Founded
2009 · 17 years
Last commercial register change
November 5, 2018
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.
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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