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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationVocational & Secondary SchoolsZurichILS-Zürich GmbH
ILS-Zürich GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ILS-Zürich GmbH is a language school offering group courses and private lessons in more than 40 languages for adults and young learners. Services include intensive, evening and weekend courses, corporate language training, and preparation and administration of recognised exams such as telc, fide-Test, ÖSD and DELE.

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Products & services

Industry:Vocational & Secondary Schools
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ILS-Zürich GmbH

✓ Offered10
Language Courses
German, English, French, Italian and Spanish courses, plus other language courses for different levels, offered as group classes or private tuition.
Language Certificate Exams
telc exams, fide-Test, ÖSD exams, SDS exams, DELE exams, CELI exams and CILS exams to demonstrate language skills.
Preparation Courses for Language Certificates
Preparation courses and crash courses for telc, fide-Test, Goethe, ÖSD, SDS, IELTS, Cambridge, DELF/DALF and DELE.
Company Language Courses
Tailor-made language courses for companies in German, English, French, Italian, Spanish and other languages, including a request for an offer.
SVEB Course: Trainer/Instructor
SVEB course, module 1, for preparing for the SVEB certificate Trainer/Instructor, including course content, course program, information session and online registration.
Kids & Teens Language Courses
Language courses for children and teenagers in German, English, French and other languages, including holiday language courses and a language camp.
Conversation Courses
Free conversation courses to practise speaking in German, English and French.
Online Language Courses
Online language courses as a digital alternative to in-person teaching.
Placement Test
Free placement test to determine the appropriate language level before the course starts.
Gift Voucher
Gift voucher for language courses and other offerings of the language school.
Trust & reputation

ranQ Trust Score of ILS-Zürich GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

ILS-Zürich GmbH 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.
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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%
ILS-Zürich GmbH scores 73.9 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.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.70.07%
ILS-Zürich GmbH scores 83.3 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).83.322%
ILS-Zürich GmbH scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ILS-Zürich GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Hagenholzstrasse 81a
8050 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-142.557.697
Founded
2020 · 6 years
Last commercial register change
December 4, 2020
Employees
11 to 20
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.
88.0
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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