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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceOnline ShopsZugRoellin Books GmbH
Roellin Books GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Roellin Books GmbH is an online bookseller offering Japanese language teaching materials and textbooks, together with supplementary products such as workbooks, audio/video resources and JLPT preparation materials.

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Offering

Products & services

Industry:Online ShopsRetail - Books & Media
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Roellin Books GmbH

✓ Offered6
Japanese language textbooks
Japanese language textbooks, including main coursebooks, workbooks, audio and video materials, as well as teaching materials for different levels and exams.
Japanese learning materials by level
Japanese learning materials for Beginners A and B, lower and upper intermediate levels, and advanced learners, tailored to graded learning objectives and exam preparation.
Japanese learning materials by learning area
Japanese learning materials for grammar, kana and kanji, listening and speaking, reading and writing, as well as JLPT and EJU preparation.
Japanese learning materials for target groups
Japanese learning materials for business, children and teachers, supplemented with dictionaries as well as literature and culture.
Japanese textbook series
Textbook series such as Minna no Nihongo, Shin Nihongo no Kiso, Genki, Tobira, Marugoto, Daichi and other series, with main coursebooks and supplementary materials.
Publishers’ textbooks and supplementary materials
Textbooks, workbooks, audio and video materials, as well as teaching materials from publishers such as 3A Corporation, The Japan Times, ALC Press, Bonjinsha and others.
Trust & reputation

ranQ Trust Score of Roellin Books GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Roellin Books 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.
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%
Roellin Books GmbH 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.89.612%
  • 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%
Roellin Books GmbH 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%
Roellin Books GmbH scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roellin Books 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

General-Guisan-Strasse 36
6300 Zug

At a glance

Legal form
Limited Liability Company
UID
CHE-407.927.236
Founded
2015 · 11 years
Last commercial register change
April 21, 2015
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.
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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