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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationPfaffhausenTag Engineering
Tag Engineering Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of TAG Engineering GmbH & Co. KG is the engineering planning and realization of electrical installations and systems, particularly in the field of building technology, including lighting design. The company provides comprehensive services in the planning and coordination of electrical systems for public, commercial and private construction projects, both nationally and internationally.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered5
Electrical planning
Medium- and low-voltage technology, switchgear, transformers, network calculations, network control and remote telemetry, emergency power generators, safety lighting, lightning protection, telecommunications and information technology, conveying technology.
Lighting planning
Digital visualisation, design of artificial lighting, outdoor lighting, event lighting, accent lighting, shop lighting and safety lighting, considering standards and energy efficiency.
Planning of renewable energies
Photovoltaics and energy storage for sustainable and energy-efficient building use.
Security technology planning
Fire alarm systems, voice alarm systems, intrusion detection systems, access control systems and video surveillance technology; in addition, hospital and care communication, public address/sound systems and video conferencing technologies.
Network technology planning
Structured network infrastructure with copper cabling, fibre optic cabling, voice over IP, media technology and telecom/telephone systems for buildings, Smart Home and IP video technology.
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4.1/5

Tag Engineering

Trust & reputation

ranQ Trust Score of Tag Engineering: 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.

Tag Engineering 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%
Tag Engineering 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%
Tag Engineering 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%
Tag Engineering scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tag Engineering 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.

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Location

Pfaffensteinstrasse 19
8118 Pfaffhausen

At a glance

Legal form
Sole proprietorship
UID
CHE-112.048.876
Founded
2004 · 22 years
Last commercial register change
March 28, 2019
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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