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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryZuchwilOptoTech AG
OptoTech AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of OptoTech Optikmaschinen GmbH is the development, manufacture and distribution of optical machines and process technologies for various application areas, particularly: precision optics, ophthalmics (eye optics), metrology (measurement and testing technology), coating technology, photonics, assembly and automation solutions, and laser applications. The company offers complete production lines for the manufacture of optical components and systems, from pre-treatment and polishing to measurement and coating.

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Products & services

Industry:Mechanical Engineering Industry
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4.4/5

OptoTech AG

✓ Offered
6
Precision optics
Machinery and process engineering for machining precision optics, from super-micro, micro and macro to plane optics; complete production lines from grinding, centering and polishing to measurement.
Spectacle lens optics
Technology and plant concepts for the spectacle lens industry, from machines and accessories to tailor-made solutions for prescription production of any size.
Measurement technology
Measuring instruments for optical production cells, tailored to polishing and production processes; developed to measure machined optics within the manufacturing process.
Coating
Coating systems for everyday production operation, with easy handling and high reliability.
Photonics Assembly Solutions
High-precision manufacturing solutions for optical systems with flexible machines, components and services to optimize production.
Laser applications
Complete provider for laser micro machining with short-pulse and ultra-short-pulse lasers, from application development to series production of components.
Trust & reputation

ranQ Trust Score of OptoTech AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

OptoTech AG scores 71.4 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.76.724%
  • 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.45.610%
  • 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.88.08%
OptoTech AG scores 92.3 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.82.07%
OptoTech AG 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%
OptoTech AG 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

OptoTech AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Luterbachstrasse 10
4528 Zuchwil

At a glance

Legal form
Corporation
UID
CHE-113.839.461
Founded
2007 · 19 years
Last commercial register change
September 28, 2026
Employees
21 to 50
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.
100.0
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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