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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryTextile manufacturerHeidenSefar AG
Sefar AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Sefar AG is a technology company producing technical fabrics and yarn- and mesh-based solutions. Its products include filtration solutions, screening and screen-printing mesh, and customized components for sectors such as food, medical, life science, automotive, and mining.

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Offering

Products & services

Industry:Textile manufacturer
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4.6/5

Sefar AG

✓ Offered5
Industrial Filtration Solutions
Industrial filtration solutions for mineral processing, chemicals, food, environmental, energy, automotive, life science and medical uses; custom filter media, meshes and finished filter products.
Screen Printing Mesh and Accessories
Screen printing mesh, accessories and application support for electronics, glass, graphics, plastics, packaging and textiles; also workshops and technical guidance.
Medical Components and Filtration Solutions
Customized medical components and filter solutions with material development, prototyping, quality assurance and cleanroom manufacturing for filtration, separation and protection.
Life Science and Pharma Filtration Solutions
GMP-compliant filter solutions for pharmaceutical, biopharmaceutical, nutraceutical and vaccine production; equipment for drying, venting, powder handling, sterile filtration and cell harvesting.
Mining and Refining Filtration Solutions
Filtration solutions for solid-liquid and solid-gas separation in mining and refining; for alumina, base and precious metals, fertilizers, titanium dioxide, battery metals and non-metallic minerals.
Trust & reputation

ranQ Trust Score of Sefar AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 100% · As of November 2026

Sefar AG scores 81.7 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.85.924%
  • 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.80.810%
  • 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%
Sefar AG scores 95.8 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.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.96.07%
Sefar AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).86.722%
Sefar AG scores 86.7 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.73.34%
Qualifications+0.00

Sefar AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 23 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.923
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 14, 2025Media
Sefar baut 21 Stellen in der Ostschweiz ab
leaderdigital.ch
October 10, 2025Media
Textilhersteller Sefar reagiert auf Frankenstärke: 21 Entlassungen in der Ostschweiz
rheintaler.ch
September 15, 2025Media
Sefar baut neuen Produktionsstandort in Heiden und schafft 500 Arbeitsplätze
rheintaler.ch
September 10, 2025Media
Textilunternehmen legt die Ostschweizer Standorte zusammen: Sefar bringt 250 zusätzliche Arbeitsplätze nach Heiden
appenzellerzeitung.ch
August 22, 2024Media
Sefar zentralisiert ihr Geschäft in Heiden
appenzell24.ch
August 21, 2024Media
Sefar bündelt Kräfte in Heiden
leaderdigital.ch
November 14, 2023Media
Sefar-Gelände wurde verkauft
appenzell24.ch
October 11, 2023Media
Standort Wolfhalden geschlossen: Weltweiter Auftragseingang der Sefar AG ist ungenügend
appenzellerzeitung.ch

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Location

Hinterbissaustrasse 12
9410 Heiden
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.939.020
Founded
1907 · 119 years
Last commercial register change
September 2, 2026
Employees
101 to 500
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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