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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesGossau Sgprotalk holenstein
protalk holenstein Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company offers courses, training programs and language teaching materials based on the Birkenbihl method, a method for brain-friendly learning and teaching. The core activity includes the development and distribution of language courses, books and other teaching materials, as well as the implementation of seminars and workshops on topics such as language learning, management and leadership.

AI-generated
Offering

Products & services

Industry:Continuing Education Institutes
✓ Offered8
Birkenbihl course
Train further in a brain-friendly way and get certified; seminars on association techniques, fundamentals, WQS technique, question techniques, visualization techniques, creativity techniques and language learning, optionally with certification.
Brain-friendly language learning
Brain-compatible language learning according to the Birkenbihl-Methode®; support for self-learners, parents and language teachers, with the four-step method, decodification and practice-oriented tips.
In-house teacher professional development (SchiLF)
In-house teacher professional development with brain-compatible teaching and learning methods; two-hour inputs, day seminars, focus areas tailored to groups and further training tailored to teams.
One-to-one coaching for parents and self-learners
Individual one-to-one coaching to apply the Birkenbihl-Methode® for language learning; support for parents and self-learners, combined with school learning materials and preliminary support instead of tutoring.
For language teachers
Day seminar for language teachers with the Birkenbihl-Methode®, brain-compatible language learning, background knowledge on learning processes, practical examples and classroom application.
Brain-compatible language learning materials
Language learning materials according to the Birkenbihl-Methode® for different languages, with decodification, vocabulary in context and course materials for self-study.
Books
Book recommendations on learning, teaching, language learning, communication, management and rhetoric, including works by Vera F. Birkenbihl and related titles.
Upcoming dates
Public seminar dates and events for registration; dates for courses, language learning and other continuing education offers.
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3.9/5

protalk holenstein

Trust & reputation

ranQ Trust Score of protalk holenstein: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

protalk holenstein scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
protalk holenstein scores 78.5 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.100.012%
  • 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%
protalk holenstein 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%
protalk holenstein scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

protalk holenstein reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Neuchlenweg 3
9200 Gossau Sg
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
08:00 - 17:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-111.960.838
Founded
2004 · 22 years
Last commercial register change
August 13, 2004
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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