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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryRetail & CommerceCosmetics storeZurichhs Bau GmbH
hs Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Reyna Hair Extensions is the application and sale of 100% real hair extensions. The company offers various methods for hair extensions, such as Keratin Bonding, Trasse with Genius Weft, Clip-in, Flip-in, Ponytail and Wigs, and personally advises customers to find the optimal solution for their individual needs.

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Service area

Offering

Products & services

Industry:Cosmetics store
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4.1/5

hs Bau GmbH

✓ Offered8
Hair extensions
Hair extensions made of 100% real hair, individually tailored for more length, more volume, and a natural result without visible transitions.
Hair thickening
Hair thickening with 100% real hair for finer hair, more fullness, and a natural, harmonious look.
Hair wefts
Hair wefts made of 100% real hair for natural hair extensions and hair thickening, gentle, reusable, and without visible transitions.
Nanoring extensions
Nanoring extensions with 100% real hair for fine connections, without heat and without glue, with a natural result and a reusable application.
Keratin bonding
Keratin bonding extensions made of 100% real hair for precise fitting, natural volume, and long-lasting results.
Genius weft
Ulthin hair wefts for more volume and length, flat, lightweight, and hardly noticeable, without heat and without glue.
Tape-in extensions
Tape-in extensions for a light, flat, and natural result, quick to apply, and available on request.
Consultation
Personal consultation in Zurich to analyse hair type, desired length, volume, colour, and the right extensions method.
Trust & reputation

ranQ Trust Score of hs Bau GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

hs Bau GmbH scores 92.3 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.91.524%
  • 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.88.110%
  • 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%
hs Bau GmbH scores 50.8 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.25.012%
  • 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%
hs Bau GmbH scores 86.7 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).86.722%
hs Bau GmbH scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

hs Bau GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 31 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 31 reviews across all connected sources

Sources
GGoogle531
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Winterthurerstrasse 28
8006 Zurich
Opening hours
Mon
10:00 - 19:00
Tue
10:00 - 19:00
Wed
10:00 - 19:00
Thu
10:00 - 19:00
Fri
10:00 - 19:00
Sat
10:00 - 14:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-167.375.304
Founded
2025 · 1 year
Last commercial register change
March 21, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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