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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringZurichhellwerk Schreiber
hellwerk Schreiber Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Hellwerk includes the areas of theatre technology, touring technology, consulting, planning, construction management and architectural lighting design.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
Stage technology
Technical planning, installation and implementation for theatre and concert events, as well as technical management for stage and cultural productions.
Touring technology
Technical support for tours and guest performances, including lighting technology and technical management for stage productions.
Consulting
Consulting for technical processes, lighting technology and event technology in the context of theatre, concert and stage projects.
Planning
Planning of lighting, technical and event processes, including preparation for stage and cultural projects.
Construction management
Construction management for technical and lighting-related projects, particularly in connection with architectural and event implementations.
Architectural lighting design
Light concepts, planning and implementation for architecture projects, with a focus on architectural lighting and lighting design.
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4.1/5

hellwerk Schreiber

Trust & reputation

ranQ Trust Score of hellwerk Schreiber: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

hellwerk Schreiber 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%
hellwerk Schreiber scores 78.5 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.55.07%
hellwerk Schreiber scores 85.0 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).85.022%
hellwerk Schreiber scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

hellwerk Schreiber 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

Hier entsteht die Karte
Zweierstrasse 42
8004 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-112.198.748
Founded
2005 · 21 years
Last commercial register change
December 15, 2025
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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