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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryWinterthurTedag Dichtungstechnik und Industriebedarf AG
Tedag Dichtungstechnik und Industriebedarf AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of TEDAG Dichtungstechnik und Industriebedarf AG is the development, manufacture and supply of sealing systems and molded parts for high-end applications in various industries such as mechanical engineering, automotive, aerospace, apparatus engineering, oil industry, hydraulics & pneumatics, food technology, medical technology, pharmaceutical technology, electrical engineering and water treatment.

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Products & services

Industry:Plastics Industry
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3.9/5

Tedag Dichtungstechnik und Industriebedarf AG

9
Fluid Seals
Fluid seals for gas and liquid sealing, including O-rings, X-rings, V-rings, I-rings, round cord, mechanical seals, cuffs and wipers for hydraulics and pneumatics.
PTFE Products
PTFE products as sealing elements, plastic moulded parts, PTFE semi-finished materials and thread sealing tape for industrial and sanitary applications.
Stuffing Box Packings
Stuffing box packings made of braided fibres for pumps and valves, as adjustable shaft sealing with packing rings and packing cord.
Flat Gaskets
Flat gaskets for static sealing of housings and flanges, complemented by films, sheets and sandwich seals for different installation and media requirements.
Elastomer Moulded Parts
Elastomer moulded parts made to customer drawing using compression moulding, injection moulding or transfer moulding; thermoplastic elastomers included.
Machined Elastomer Parts
Machined elastomer parts and seals for small quantities or short lead times, also made to drawing and with FDA-compliant materials.
Engineering and Production
Engineering and production of sealing systems and moulded parts, including modern manufacturing with machining, vulcanisation, injection moulding, CAD and finishing.
Measurement Laboratory and Testing
Measurement laboratory with three-dimensional measuring equipment, contract measurements and tests such as resistance, endurance, compression set and density measurement.
Consulting
Consulting in plastics and sealing technology for projects, including technical know-how and support for solving demanding application cases.
Trust & reputation

ranQ Trust Score of Tedag Dichtungstechnik und Industriebedarf AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Tedag Dichtungstechnik und Industriebedarf AG scores 56.6 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.50.08%
Tedag Dichtungstechnik und Industriebedarf AG scores 85.5 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.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%
Tedag Dichtungstechnik und Industriebedarf 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%
Tedag Dichtungstechnik und Industriebedarf AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tedag Dichtungstechnik und Industriebedarf AG 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 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

Rosenstrasse 14
8400 Winterthur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.887.316
Founded
1976 · 50 years
Last commercial register change
September 24, 2026
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.100.06%
  • 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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