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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsZurichPlanetarium Strehler
Planetarium Strehler Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Spacedome is the rental and operation of a mobile planetarium, offering schools, festivals and private events interactive and entertaining 360-degree projections of stars, planets and galaxies.

AI-generated
Offering

Products & services

Industry:Cultural & Educational Organizations
✓ Offered9
Mobile planetarium
Mobile, inflatable 8-metre planetarium for schools, events and public functions; set-up in gymnasiums, assembly halls or outdoors with Spidertent possible.
Live presentations in the planetarium
Live, narrated and guided shows with OpenSpace; journeys through the solar system and the universe, tailored to age groups and matched to different school levels.
Fulldome films
360-degree films on astronomical and other topics in the planetarium; with high-resolution projection and surround sound.
School programmes and classroom visits
Planetarium visits for kindergarten, primary school and secondary level; curriculum-oriented programmes, project days and tailored live presentations for classes.
Special offer for schools
School offer 'Für en Schnägg is Planetarium!' with showings at the school for CHF 5 per child, or a half-day package for three shows.
Outdoor planetarium with Spidertent
Outdoor events with an additional protective tent against wind, sun and rain; required for outdoor deployments of the planetarium.
Planet decoration for events
Bookable, illuminated planet models for indoor events; can be hung up or placed around the planetarium.
Star gazing
Observation of the night sky with the naked eye, binoculars and telescopes; in clear weather also combined with a planetarium booking.
Astronomy workshops and experiments for schools
Astronomical experiments and school activities such as crater shooting, gravity, water rockets, JUICE-Mocktail, planet song and telescope demonstrations.
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3.9/5

Planetarium Strehler

Trust & reputation

ranQ Trust Score of Planetarium Strehler: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

Planetarium Strehler has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Planetarium Strehler scores 65.7 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.70.212%
  • 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%
Planetarium Strehler scores 83.3 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).83.322%
Planetarium Strehler scores 10.0 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 35.10.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Planetarium Strehler reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Wehntalerstrasse 489
8046 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-454.644.778
Founded
2020 · 6 years
Last commercial register change
December 7, 2020
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.
67.0
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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