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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Health & CosmeticsGlattpark (Opfikon)Diana Çollaku Brows
Diana Çollaku Brows Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Diana Brows offers services and products in the field of eyebrow care and design. The core activities include: Training and courses for eyebrow styling and care, treatments and applications for eyebrows, sales of products for eyebrow care, such as the 'Thuya Professional Line' and 'Diana Brows' products, online shop for the sale of products and e-books, and consulting and appointment scheduling for treatments and training. The company appears to focus on the education and consulting of professionals in the field of eyebrow care, while also offering products and services to end-consumers.

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Offering

Products & services

Industry:Retail - Health & Cosmetics
✓ Offered
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4.1/5

Diana Çollaku Brows

7
Eyebrow treatments
Eyebrow treatments such as tweezing, tweezing with colouring, Brow Lift, Ombre/Powder Brows, as well as refreshing and color correction for existing permanent make-up.
1 to 1 training
Individual Browlifting training with theory, live demonstration on a model, supervised practical exercises, feedback, follow-up and a certificate.
Group training
Browlifting group course for up to three participants with theory, demonstration on a model, practical exercise, feedback, follow-up and a certificate.
Online training courses
Digital Browlifting courses with an eBook, video tutorial, live demonstration, digital feedback, follow-up and a certificate; optional with a starter set.
Diana Brows product line
Browlifting tools and accessories such as tweezers, scissors, brushes, mapping pen, mapping string, color mixing container, brow lamination film and starter set.
Thuya Professional Line
Products for Browlifting and aftercare such as Permanent Gel, Neutralizer Cream, Regenerating Cream with argan oil and Pre-Smoothing Liquid.
Education
Learning materials for Browlifting such as Brow Mapping eBook, Browlifting Guide and a Brow lifting video tutorial with step-by-step content, aftercare and social-media tips.
Trust & reputation

ranQ Trust Score of Diana Çollaku Brows: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Diana Çollaku Brows scores 82.6 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.69.624%
  • 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%
Diana Çollaku Brows 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%
Diana Çollaku Brows scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Diana Çollaku Brows scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Diana Çollaku Brows reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 115 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
4.4
of 5

Aggregated from 115 reviews across all connected sources

Sources
GGoogle4.4115
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Boulevard Lilienthal 61
8152 Glattpark (Opfikon)
Opening hours
Mon
08:00 - 19:00
Tue
08:00 - 19:00
Wed
08:00 - 19:00
Thu
08:00 - 19:00
Fri
08:00 - 19:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-450.334.095
Founded
2020 · 6 years
Last commercial register change
July 9, 2025
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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