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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationHair SalonsGrenchenDuett Coiffure GmbH
Duett Coiffure GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Coiffure Duett is the provision of services in the field of hair care and styling, including haircuts, hair styling, hair extensions, hair care, makeup and facial care.

AI-generated
Offering

Products & services

Industry:Hair Salons
✓ Offered11
Haircut
Haircuts for women and men, including washing, cutting, blow-drying as well as a dry haircut and trimming the ends.
Hair colouring
Hair colouring, touch-ups, highlights and tints; permanent colouring and retouching the regrowth are also mentioned.
Hair styling
Tailored hair stylings for different looks, including styling as desired, trendy hairstyles and updos.
Make-up
Make-up for everyday and special occasions, mini make-up, as well as cosmetic facial treatments and make-up workshops.
Hair care
Hair care with shampoo, conditioner, masks, sprays and serums, plus advice for dry, oily or sensitive hair.
Wedding hairstyles
Bridal hairstyles, updos, bridal make-up and advice on hairstyles, hair accessories and the wedding look.
Hair extensions and hair thickening (Extensions)
Bonding, tape-on and clip extensions for hair lengthening and thickening, including advice and different attachment methods.
Hair smoothing
Chemical hair smoothing and straightening treatments for longer-lasting straight hair; described as Hair Stretching and Hair Smoothing.
Scalp massage
Scalp massage during hair washing for relaxation and to stimulate blood circulation in the scalp.
Manicure
Manicure and nail care with soaking, cutting, filing, removing cuticles, buffing or painting.
Face care
Facial cleansing and facial treatments, including anti-ageing and acne treatments as well as product recommendations.
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4.4/5

Duett Coiffure GmbH

Trust & reputation

ranQ Trust Score of Duett Coiffure GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Duett Coiffure GmbH scores 90.7 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.91.024%
  • 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.86.510%
  • 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.95.08%
Duett Coiffure GmbH scores 80.9 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.95.212%
  • 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%
Duett Coiffure 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%
Duett Coiffure GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Duett Coiffure GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 29 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 29 reviews across all connected sources

Sources
GGoogle529
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Kirchstrasse 21
2540 Grenchen
Opening hours
Mon
Closed
Tue
08:00 - 18:30
Wed
08:00 - 18:30
Thu
08:00 - 18:30
Fri
08:00 - 18:30
Sat
08:00 - 15:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-171.158.945
Founded
2013 · 13 years
Last commercial register change
October 8, 2020
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.
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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