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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationHair SalonsWinterthurDiamond Extensions by Ana-Maria Graf
Diamond Extensions by Ana-Maria Graf Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Diamond Extensions is the application of hair extensions and thickening using Keratin Bonding and other methods, in particular the "double side tape weft invisible" method, as well as offering related services such as cutting and styling.

AI-generated
Offering

Products & services

Industry:Hair Salons
✓ Offered5
Hair extensions
Hair extensions with 100% real hair, keratin bondings or tape weft method; including cut and styling, with consultation and professional application.
Hair thickening
Hair thickening with 100% real hair for more volume; with keratin bondings or the new double side tape weft invisible method, including cut and styling.
Telephone consultation
Free 30-minute telephone consultation to clarify length, volume and the right method for hair extensions or hair thickening.
Double side tape weft invisible
Volume enhancement with the new double side tape weft invisible method; particularly for long or fine hair, with adhesive replacement and refills every two months.
Keratin Bonding Extensions
Extensions made from 100% European or Russian real hair with keratin bondings; for hair extensions and hair thickening, hair-friendly and available in different weights.
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4.2/5

Diamond Extensions by Ana-Maria Graf

Trust & reputation

ranQ Trust Score of Diamond Extensions by Ana-Maria Graf: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Diamond Extensions by Ana-Maria Graf scores 96.4 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.95.424%
  • 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.95.08%
Diamond Extensions by Ana-Maria Graf scores 52.6 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.39.612%
  • 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%
Diamond Extensions by Ana-Maria Graf 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%
Diamond Extensions by Ana-Maria Graf 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

Diamond Extensions by Ana-Maria Graf reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 66 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 66 reviews across all connected sources

Sources
GGoogle566
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schlossmühlestrasse 133
8408 Winterthur

At a glance

Legal form
Sole proprietorship
UID
CHE-455.929.309
Founded
2024 · 2 years
Last commercial register change
May 22, 2024
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.67.06%
  • 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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