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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesZurichBirukoff World
Birukoff World Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Birukoff World offers language courses, tutoring and exam preparation, especially in German, Swiss German and English. The company provides group and private lessons as well as online and company courses.

AI-generated
Offering

Products & services

Industry:Continuing Education Institutes
✓ Offered9
German courses
German for everyday life, work and study from A0 to C2, in group or private formats, online or in Zürich.
Swiss German courses
Swiss German for everyday conversation, work and life in Switzerland, in group or private formats, on site or online.
Gymnasium entrance exam preparation
Preparation for the Gymiprüfung in German and mathematics, with exam technique, time management and targeted gap-closing, in group or one-to-one formats.
English courses
English for school, work and everyday life from A1 to C2, plus tutoring from primary school to university, in group or private formats.
Exam preparation
Targeted preparation for Cambridge, TOEFL, IELTS, TELC and Goethe exams, using real exam formats, timed practice and review.
Company courses
Language training for teams on site, online or mixed, tailored to industry, daily work and specific communication situations.
Online lessons
Live video lessons in German and Swiss German, with the same courses as in person, in group or one-to-one formats.
Private lessons
Tailored one-to-one lessons in Zürich or online, for fixed exam dates, professional vocabulary or flexible schedules.
Custom language courses
Flexible courses for lunch breaks, intensive blocks, combined German and Swiss German formats, and business English.
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Birukoff World

Trust & reputation

ranQ Trust Score of Birukoff World

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Birukoff World has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Birukoff World scores 35.6 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.0.012%
  • 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%
Birukoff World scores 83.3 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).83.322%
Birukoff World 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%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Wildbachstrasse 65
8008 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-396.783.072
Founded
2026 · 0 years
Last commercial register change
March 17, 2026
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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