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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationMuseumIslikonStiftung TELEPHONICA
Stiftung TELEPHONICA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stiftung TELEPHONICA promotes the operation of a regional communications museum. The museum presents a collection on the history of telecommunications, including historic telephony and switching technology.

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Service area

Offering

Products & services

Industry:Museum
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Stiftung TELEPHONICA

✓ Offered3
Museum exhibitions
History of telecommunications through themed museum areas, including telegraphy, telephony in Switzerland, fibre-optic technology, teletypewriters, emergency calls, mobile phones and collections.
Guided museum tours
Guided visits to the Telephone Museum with expert guidance, duration about 1 to 1.5 hours, for groups, school classes and several groups at the same time.
Self-guided museum visit
Open Sunday visits from 14:00 to 17:00, except public holidays as well as July and August, with regular admission for adults and children.
Trust & reputation

ranQ Trust Score of Stiftung TELEPHONICA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Stiftung TELEPHONICA scores 80.3 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.78.524%
  • 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.78.610%
  • 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.88.08%
Stiftung TELEPHONICA scores 84.9 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%
Stiftung TELEPHONICA scores 86.7 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).86.722%
Stiftung TELEPHONICA scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stiftung TELEPHONICA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 21 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.721
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse
8546 Islikon
Opening hours
Mon
Closed
Tue
Closed
Wed
Closed
Thu
Closed
Fri
Closed
Sat
Closed
Sun
14:00 - 17:00

At a glance

Legal form
Foundation
UID
CHE-114.342.358
Founded
1994 · 32 years
Last commercial register change
June 26, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGGachnang
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.
97.0
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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