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

About the company

The core activity of Zemp & Kiefer AG is the provision of electrical installations and services in the fields of building automation, security technology, and energy-saving solutions. This includes, in particular: electrical installations and systems, secure installations and replacement of electric heating systems, building automation and smart home solutions, alarm systems and video surveillance, energy-saving solutions and heat pump retrofits. The company also offers products and solutions from partners such as Abus and Eaton and operates an online shop for security and electrical articles.

AI-generated
Offering

Products & services

Industry:Electrical Planning & InstallationRetail - Electronic Devices
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Zemp + Kiefer AG

✓ Offered6
Electrical installations
High-current installations, maintenance and repairs, safety checks, lighting, switching and control equipment, household appliances, telecommunications systems and building cabling.
Building automation (xComfort)
Radio-based building automation for lighting, heating, climate and ventilation, extendable for new builds and renovations; energy saving, smart-home control and retrofit of heat pumps.
Intrusion alarm systems (ABUS)
Alarm systems with radio components, detectors for glass break, opening, vibration and motion, plus remote maintenance, app control and alerts for fire and water damage.
Video surveillance
Video surveillance for deterrence and evidence gathering, with worldwide internet access and live streaming on web-enabled mobile phones to monitor the property.
Access control
Access control for buildings and facilities as part of the security solutions, combined with alarm, intercom and video systems.
Technical support
Technical support for installations and security systems, including maintenance planning, notification of upcoming work and assistance by phone or message.
Trust & reputation

ranQ Trust Score of Zemp + Kiefer AG: 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.

Zemp + Kiefer AG 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%
Zemp + Kiefer AG scores 85.5 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%
Zemp + Kiefer AG scores 83.3 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).83.322%
Zemp + Kiefer AG scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zemp + Kiefer AG 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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Secure profile

Location

Hauptstrasse 6
4402 Frenkendorf

At a glance

Legal form
Corporation
UID
CHE-108.073.753
Founded
1983 · 43 years
Last commercial register change
February 18, 2021
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.
100.0
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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