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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationRadio & TV BroadcastersWinterthurRadio Stadtfilter
Radio Stadtfilter Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Radio Stadtfilter is an alternative community radio that broadcasts an independent local cultural and listener-focused programme. The station operates a 24-hour schedule, an online stream, a radiothek and a broadcast archive, and it offers volunteer participation and internship opportunities. Broadcasting operations are run by the association in cooperation with an operational company.

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Products & services

Industry:Radio & TV Broadcasters
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4.2/5

Radio Stadtfilter

9
Radio programming
Live programming with shows, music, conversations, radio plays and special formats; reception via Stream, MP3-Stream, Fussball-Stream, Radiothek and Sendearchiv.
Programmes and content
Own programmes and editorial contributions such as news, music, entertainment, radio plays, talk shows and special broadcasts in the weekly schedule.
Membership
Membership with financial support for broadcasting operations, co-design at the association general meeting, and the option to moderate broadcasts and newsletters.
Partnerships and sponsorship
Partnerships and sponsorship for companies and organisations to support the broadcaster and its activities.
Get involved as a radio maker
Opportunity to develop and moderate your own programmes; apply with a broadcasting concept and begin working in radio production.
Internship
Internship positions in the areas of editorial work, production and station operations.
Open positions
Job openings in the radio operations and administration environment.
Newsletter
Regular email updates with news from the broadcaster and the offerings; registration via the contact and support pages.
Complaints office / programme complaints
Handling of complaints about programme content via the programme commission and referral to the Ombudsstelle for editorial broadcasts.
Trust & reputation

ranQ Trust Score of Radio Stadtfilter: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Radio Stadtfilter scores 69.8 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.80.424%
  • 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.72.110%
  • 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%
Radio Stadtfilter scores 83.5 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.70.07%
Radio Stadtfilter 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%
Radio Stadtfilter scores 60.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Radio Stadtfilter reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 16 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.816
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 24, 2024Media
«Seniorama» auf Radio Stadtfilter: Diese Senioren moderieren gegen die Einsamkeit
tagesanzeiger.ch
May 22, 2023Media
Medien in Winterthur: Radio Stadtfilter wird «etwas herunterfahren» müssen
tagesanzeiger.ch

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Location

Turnerstrasse 1
8400 Winterthur
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
12:00 - 16:00
Sun
12:00 - 16:00

At a glance

Legal form
Association
UID
CHE-114.061.540
Founded
2008 · 18 years
Last commercial register change
November 26, 2025
Employees
11 to 20
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.
73.0
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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