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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - General Specialty TradeHochdorfCover-Service GmbH
Cover-Service GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Crazy Flash GmbH is a Swiss fireworks specialist that has specialized in the planning, organization and execution of pyrotechnic and show events. The core activities include consulting, concept creation and execution of fireworks, pyrotechnic shows and other spectacular events for private and public occasions, such as concerts, weddings, theater performances and city festivals. In addition, the company also offers the sale and rental of pyrotechnic articles and equipment.

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Offering

Products & services

Industry:Wholesale - General Specialty Trade
✓ Offered
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4.1/5

Cover-Service GmbH

6
Fireworks
Fireworks in categories F1 to F3 for outdoor use; collection in Hochdorf, no postal shipping. Includes consumer fireworks and volcano effects.
Technical Pyrotechnics
Technical outdoor products including Bengal lights, flashers, electric igniters, fountains, lance lights, smoke products and daylight fireworks.
Stage and effect equipment rental
Rental of low-fog units, CO2 effects, flame devices, confetti and streamer systems, fog machines, foam machines, snow machines, bubble machines and ignition systems.
Indoor pyrotechnics
Indoor fireworks with fountains, flames, smoke effects, stage flashes, line rockets and waterfalls from Le Maitre, Next FX, Nico, Safex and Weco.
Stage effects and party accessories
Party items including ice fountains, torches, heart-shaped glasses, table fireworks, hand party shooters and matching confetti, streamers and special fills.
Theatre props and special effects
Crash glass, fake blood, snow, theatre dust and other stage props for theatre, film and special effects.
Trust & reputation

ranQ Trust Score of Cover-Service GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Cover-Service GmbH 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.
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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%
Cover-Service GmbH scores 83.0 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%
Cover-Service GmbH scores 83.3 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).83.322%
Cover-Service GmbH 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Cover-Service GmbH reaches a ranQ Trust Score of 4.1 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.

Knowledge

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Location

Baldeggstrasse 20
6280 Hochdorf

At a glance

Legal form
Limited Liability Company
UID
CHE-110.532.693
Founded
2004 · 22 years
Last commercial register change
April 1, 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.
88.0
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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