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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - General Specialty TradeCossonay-VillePortier et Gaudin SA
Portier et Gaudin SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Portier & Gaudin Musique is a specialist retailer of musical instruments based in Cossonay, Switzerland. The company's core activities include: * Sales of musical instruments such as pianos, guitars, percussion and wind instruments from renowned brands like Yamaha, Steinway, Fender, Gibson and Martin. * Rental of musical instruments. * Repair and maintenance of musical instruments, including guitars, pianos and percussion. * Piano tuning by experienced professionals. * Sales of sheet music and instructional books. * Operation of a guitar shop with specialized consulting and sales of guitars. The company offers a wide range of services for musicians and music enthusiasts and has specialized in consulting, sales and maintenance of musical instruments.

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Offering

Products & services

Industry:Retail - General Specialty Trade
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4.6/5

Portier et Gaudin SA

✓ Offered6
Sale of musical instruments
New and used instruments for sale or rental, with the option to take them back, monthly payments, and a selection of guitars, pianos, percussion and wind instruments.
Rental of musical instruments
Rental of pianos, guitars, basses, drum kits, wind instruments, Celtic harps and accessories, with the option to take them back at any time, and short-term rentals for events.
Repair and restoration of musical instruments
Repair, restoration, adjustments, servicing and quotes for pianos, electric and acoustic guitars, brass and woodwind instruments, and percussion, with expertise in antique instruments.
Tuning of pianos & harpsichords
Tuning of pianos and harpsichords, including antique instruments, carried out from the workshop and available throughout French-speaking Switzerland.
Instrument trade-in
Trade-in of selected instruments, in particular pianos, percussion, guitars and wind instruments, on request and after prior contact.
Sheet music and music methods
Sheet music and method books for all instruments and music styles, from classical to jazz and rock, with the possibility to order specific titles.
Trust & reputation

ranQ Trust Score of Portier et Gaudin SA: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Portier et Gaudin SA scores 93.1 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.87.924%
  • 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%
Portier et Gaudin SA scores 85.5 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%
Portier et Gaudin SA 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%
Portier et Gaudin SA scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Portier et Gaudin SA reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 107 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
4.8
of 5

Aggregated from 107 reviews across all connected sources

Sources
GGoogle4.8107
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Hier entsteht die Karte
Avenue du Funiculaire 1
1304 Cossonay-Ville
Opening hours
Mon
Closed
Tue
08:15 - 12:00, 13:30 - 18:00
Wed
08:15 - 12:00, 13:30 - 18:00
Thu
08:15 - 12:00, 13:30 - 18:00
Fri
08:15 - 12:00, 13:30 - 18:00
Sat
10:00 - 12:00, 13:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.027.785
Founded
1982 · 44 years
Last commercial register change
July 29, 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.
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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