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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationGlisTZ Stromag
TZ Stromag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

TZ Stromag provides electrical engineering services for buildings, including installations, maintenance and service, telematics, automation, security and switchgear construction. The company carries out work for residential, industrial and commercial buildings as well as infrastructure projects and is affiliated with the Burkhalter Group.

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Products & services

Industry:Electrical Planning & Installation
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4.1/5

TZ Stromag

✓ Offered6
Electrical installations
Electrical installations for single-family homes, residential developments, industrial and commercial sites, public buildings and infrastructure facilities; including photovoltaic and solar systems.
Service and maintenance
Service, maintenance and upkeep for electrical installations; minor installations, repair and maintenance work, device testing to standard, electrical inspections and 24-hour service.
Security systems
Security solutions for buildings, data and assets; intrusion and alarm systems, fire alarm systems, access control systems, smoke and heat exhaust systems and emergency lighting.
Switchgear construction
Planning and production of distribution boards, type-tested systems and control cabinets; also conversion, adaptation and maintenance work on existing switchgear.
Building automation
Automation solutions for controlling and monitoring lighting, blinds, heating, ventilation, multimedia and security technology via smartphone or tablet.
Communication and network solutions
Consulting, planning and implementation of communication and network solutions; communication cabling, mobile communication, switching and routing, IT security, VoIP and UCC.
Trust & reputation

ranQ Trust Score of TZ Stromag: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

TZ Stromag 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%
TZ Stromag scores 99.0 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.96.07%
TZ Stromag scores 85.0 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).85.022%
TZ Stromag scores 12.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

TZ Stromag 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 58%, 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.

Press

Media

December 15, 2016Media
«Das Telefonieren übers Internet ist die Zukunft»
1815.ch

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Location

Kantonsstrasse 132
3902 Glis

At a glance

Legal form
Corporation
UID
CHE-106.095.637
Founded
1993 · 33 years
Last commercial register change
July 9, 2026
Employees
101 to 500
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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