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DirectoryPublic Administration & EducationContinuing Education InstitutesDübendorfabc sprachen Sprachschule, I. von Niederhäusern
abc sprachen Sprachschule, I. von Niederhäusern Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company abc sprachen offers language courses and instruction for private individuals and companies. The core activity includes individual, needs-based and subject-specific language courses that are designed to be action-oriented and motivating. The company teaches various languages, including German, English and others, and also offers telc exams. The courses can take place in small groups or semi-privately and are offered at various locations, including company-owned locations, corporate locations and at the customers' homes.

AI-generated
Offering

Products & services

Industry:Continuing Education Institutes
✓ Offered8
Private and semi-private tuition
Individual language courses in private or semi-private tuition, tailored to personal goals, at the school, at home or at the workplace; with teaching materials and a certificate.
Tutoring
Goal-oriented tutoring for children, including homework help and lessons at home or in the language school in Dübendorf/Wallisellen; preparation for the desired school level.
Company courses
Needs-based language courses for companies at the locations Dübendorf/Wallisellen or Glattpark as well as at the workplace; with subject-specific vocabulary, professional language and telc preparation.
Conversation courses
Language courses focusing on spontaneous speaking and everyday communication, tailored to personal goals, at the school, at home or at the workplace.
Small-group courses
Language courses in small groups of 3 to 6 people, at the locations Dübendorf/Wallisellen; including practice, listening comprehension, grammar and tailored subject-specific vocabulary.
Online language courses
Online language instruction with a digital learning platform and video conferencing technology; for various languages and, on request, also as private and semi-private tuition.
telc examination centre
Conducting and preparing for telc language exams for listening, reading, speaking and writing; with exams in Dübendorf/Wallisellen and certificates for training, studies and work.
Summer intensive courses Mallorca
Intensive language courses in summer in Mallorca, in small groups with four hours of lessons per day; including placement test, learning materials and course preparation.
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4.3/5

abc sprachen Sprachschule, I. von Niederhäusern

Trust & reputation

ranQ Trust Score of abc sprachen Sprachschule, I. von Niederhäusern: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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Data basis 96% · As of October 2026

abc sprachen Sprachschule, I. von Niederhäusern scores 88.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.90.324%
  • 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.83.810%
  • 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.88.08%
abc sprachen Sprachschule, I. von Niederhäusern scores 72.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.86.512%
  • 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%
abc sprachen Sprachschule, I. von Niederhäusern 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%
abc sprachen Sprachschule, I. von Niederhäusern scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

abc sprachen Sprachschule, I. von Niederhäusern reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 26 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 26 reviews across all connected sources

Sources
GGoogle526
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Am Wasser 1
8600 Dübendorf
Opening hours
Mon
08:00 - 22:00
Tue
08:00 - 22:00
Wed
08:00 - 22:00
Thu
08:00 - 22:00
Fri
08:00 - 22:00
Sat
08:00 - 14:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-423.600.851
Founded
2016 · 10 years
Last commercial register change
June 3, 2022
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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