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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryWald ZhRuppert Composite GmbH
Ruppert Composite GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ruppert Composite GmbH encompasses the development, manufacture and sale of lightweight construction solutions, particularly made of fibre-reinforced composite materials, as well as the manual production of customer-specific fibre-reinforced composite components as prototypes or in small series. This also includes engineering services, consulting, engineering, fabrication, repairs and the development of lightweight aircraft such as the Archaeopteryx.

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Products & services

Industry:Plastics Industry
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Ruppert Composite GmbH

✓ Offered8
Archaeopteryx sailplane
Archaeopteryx sailplane as an ultra-light hang glider/sailplane device with conventional controls, low weight, simple assembly, different launch types and an integrated rescue system.
Archaeopteryx electric sailplane
Electric sailplane version of the Archaeopteryx with a removable electric drive, self-launch on hard and grass surfaces, and switching between sail and electric flight.
Engineering for lightweight design and composite structures
Lightweight-oriented design, material selection, fiber-appropriate construction methods, production-suitable design and calculation-based sizing of load-bearing structures, mechanisms or systems.
Handmade fabrication of composite components
Craft-based composite fabrication, precise production and assembly of composite parts and components on a contract basis.
Project realisation in lightweight construction
Involvement in the realisation of lightweight ideas, from concept through production to delivery of finished components and systems.
Consulting for composite and lightweight projects
Consulting from idea to realisation, as well as assessment of existing designs and support for projects with long-standing experience in lightweight construction.
Composite repairs
Expert repairs to composite structures based on engineering and fabrication know-how.
Lectures
Lectures on the dream of flying, the story of Ruppert Composite and the in-house development of the aircraft Archaeopteryx.
Trust & reputation

ranQ Trust Score of Ruppert Composite GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Ruppert Composite GmbH scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Ruppert Composite GmbH scores 83.0 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.55.07%
Ruppert Composite 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%
Ruppert Composite GmbH 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

Ruppert Composite GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sagenrainstrasse 4
8636 Wald Zh

At a glance

Legal form
Limited Liability Company
UID
CHE-112.394.663
Founded
2005 · 21 years
Last commercial register change
May 1, 2018
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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