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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryTextile & Clothing IndustryWinterthurNähatelier Gutjahr
Nähatelier Gutjahr Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Jaiona Couture is the manufacture and adaptation of clothing items, including: bespoke creation of new clothing items, alteration and adaptation of existing clothing items, copying of favorite clothing items, production of wedding and evening dresses, and sewing and coaching services. The company also offers an alteration service for clothing items and places emphasis on the use of ecologically sustainable fabrics and fair fashion practices.

AI-generated
Offering

Products & services

Industry:Textile & Clothing Industry
✓ Offered4
Made-to-measure clothing
Made-to-measure clothing, tailored to your wishes and style; blouses, trousers, wedding dresses, cosplay and Fasnacht costumes made from sustainable materials.
Alteration service
Alterations and adjustments to clothing, from hemming trousers to fitting wedding dresses; clothing is made to fit again.
Copying a favourite garment
Copy of a favourite garment as a new one-of-a-kind piece; create the pattern from the original and re-sew it in additional colours or with adjustments.
Wedding and occasion dresses
Alterations and new creations for wedding dresses, occasion dresses and evening gowns; tailored to your body measurements, modernisation, adding details and made-to-measure.
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4.2/5

Nähatelier Gutjahr

Trust & reputation

ranQ Trust Score of Nähatelier Gutjahr: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Nähatelier Gutjahr scores 88.9 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.86.924%
  • 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.84.710%
  • 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%
Nähatelier Gutjahr scores 65.7 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.70.212%
  • 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%
Nähatelier Gutjahr 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%
Nähatelier Gutjahr scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nähatelier Gutjahr reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 27 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 27 reviews across all connected sources

Sources
GGoogle4.927
★TrustpilotSoon
PProvenExpertSoon

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

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Location

St. Gallerstrasse 7
8400 Winterthur
Opening hours
Mon
Closed
Tue
09:00 - 12:00, 14:00 - 18:30
Wed
08:30 - 12:00, 13:00 - 17:30
Thu
Closed
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-452.117.249
Founded
2020 · 6 years
Last commercial register change
April 15, 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.
67.0
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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