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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsJonaStrulik GmbH
Strulik GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Strulik GmbH is the development, production and distribution of high-quality systems and building products for security technology, particularly in the areas of exclusive air guidance, smoke extraction, differential pressure systems and fire protection in buildings.

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Products & services

Industry:Specialized Construction Installations
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Strulik GmbH

✓ Offered6
Fire protection
Fire protection dampers, shut-off devices, make-up air openings, ventilation components, smoke detectors and manual fire alarm call points for ventilation systems; also special solutions for apartment ventilation and classified suspended ceilings.
Smoke extraction
Smoke extraction dampers, smoke extraction ducts, controls and communication modules for mechanical smoke extraction systems; designed to channel smoke and to prevent fire spread.
Pressurisation systems
Pressurisation systems, smoke-protective pressurisation systems and differential pressure systems with supply air, pressure relief, controls and communication modules; including calculation-based verification and project-specific system design.
Ventilation systems
Air distribution systems with swirl, vortex jet, wall, source, induction, floor and stepped supply air diffusers; as well as cleanroom, airport, shooting range ventilation and special solutions.
Seminars & training
Expert training for fire protection dampers for planning, installation, commissioning and maintenance; with theory, practical exercises, training handout and participation certificate.
National sales
National sales with contacts for sales and inside sales, as well as contact for quotation and sales enquiries regarding the products and systems.
Trust & reputation

ranQ Trust Score of Strulik GmbH: 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.

Strulik 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%
Strulik GmbH scores 89.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.82.07%
Strulik 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%
Strulik GmbH scores 74.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Strulik 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

Schachenstrasse 80
8645 Jona

At a glance

Legal form
Limited Liability Company
UID
CHE-112.495.583
Founded
2005 · 21 years
Last commercial register change
October 28, 2022
Employees
21 to 50
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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