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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTranslation ServicesZurichOptolingua GmbH
Optolingua GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Optolingua is to provide language services, particularly interpreting, translation and language support, to companies and organizations with ties to Japan. The company offers its services in several languages, including German, English, Japanese and French, and supports customers in various industries, such as the food, cosmetics, automotive and medical sectors, in their international communication and cooperation.

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Offering

Products & services

Industry:Translation Services
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3.9/5

Optolingua GmbH

✓ Offered
3
Translations and Interpreting
Interpreting services, translations, certified translations; conversational, consecutive, whispered and simultaneous interpreting, as well as five translation levels from synopsis to re-writing.
Business Support
Seminars and coaching for intercultural management, support for trade fairs and sales pitches, an English contact platform, advice on advertising, trade finance, transport insurance, FX hedging and free trade agreements.
Media Services
Support for foreign media productions with pre-production, shoots and post-production, including research, budgeting, filming permits, interpreting, travel organisation, transcripts and subtitles.
Trust & reputation

ranQ Trust Score of Optolingua GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Optolingua GmbH scores 56.5 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.68.224%
  • 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.17.610%
  • 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.70.08%
Optolingua GmbH scores 77.8 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.79.212%
  • 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%
Optolingua GmbH 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%
Optolingua 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

Optolingua GmbH 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 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Quellenstrasse 24
8005 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-464.459.900
Founded
2018 · 8 years
Last commercial register change
December 9, 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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