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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationKoblenzC-flex GmbH
C-flex GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of C-Flex GmbH is the manufacture and distribution of sealing components and pre-insulated pipes, particularly for the areas of district heating, heating, solar and sanitary. The company offers a wide range of products such as sealing chains, wall collars, ring space seals, stainless steel corrugated pipes and fittings for corrugated pipes.

AI-generated
Offering

Products & services

Industry:Sealing & Insulation
✓ Offered5
Sealing systems
Annular space seals, wall collars, sealing chains, blind seals / plugs and onion press rings for cable and pipe penetrations.
Stainless steel corrugated conduits
Stainless steel corrugated conduits with and without insulation, prefabricated and self-configurable versions, as well as fittings and vibration dampers.
Buried pipes
Buried pipes for district heating, heating and solar, for sanitary installations, and for connecting heat pumps.
Electrical accessories
Lamp holders, terminals, fuse material, textile cables, and wall penetrations.
Tools
Digital torque adapter DMA as an accessory for assembly and installation work.
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4.0/5

C-flex GmbH

Trust & reputation

ranQ Trust Score of C-flex GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

C-flex GmbH scores 62.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.78.08%
C-flex 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%
C-flex 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%
C-flex GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

C-flex 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.

Knowledge

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Location

Bahnhofstrasse 46
5322 Koblenz

At a glance

Legal form
Limited Liability Company
UID
CHE-112.715.081
Founded
2006 · 20 years
Last commercial register change
January 11, 2010
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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