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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersZurichPrüfXpert GmbH
PrüfXpert GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of PrüfXpert GmbH is the performance of electrical inspections and tests, particularly in the control of electrical installations according to the Low Voltage Installation Ordinance (NIV) in the canton of Zurich and its surroundings. This includes visual inspections, measurements and functional tests of electrical systems, such as lighting and power outlets, kitchen appliances, heating systems, photovoltaic systems and electric charging columns, to ensure that they comply with the current Swiss standards and laws.

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Products & services

Industry:Testing & Inspection Centers
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3.9/5

PrüfXpert GmbH

✓ Offered8
Electrical inspections
Electrical inspections for electrical installations in the canton of Zurich, including periodic inspections, acceptance inspections, final inspections, transfers of ownership, as well as tests of PV systems and EV charging stations.
Safety certificate (SiNa)
Safety certificates for inspected electrical installations, available digitally in the customer portal, including documentation of measured values and reports after the inspection.
Periodic inspection
Regular inspection of electrical installations according to the NIV every 5, 10 or 20 years, including visual checks, measurements and a safety certificate within 24 hours.
Acceptance inspection
Initial inspection of new electrical installations after new construction or major renovation, including testing according to current standards, documentation of measured values and a safety certificate for the grid operator.
Final inspection
Final inspection after completion of the electrical installation, as a basis for the safety certificate and the registration with the grid operator.
Transfer of ownership inspection
Electrical inspection when buying or selling a property, including testing of the installation, a safety certificate for the transfer of ownership, and coordination for urgent appointments.
Acceptance of PV systems
Acceptance of photovoltaic systems after installation, including inspection of the wiring, the inverter, earthing measurements, insulation testing and registration with the grid operator.
EV charging station inspection
Safety inspection and standard-compliant acceptance of wallboxes and EV charging stations for residential and commercial installations, including documentation and a safety certificate.
Trust & reputation

ranQ Trust Score of PrüfXpert GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

PrüfXpert GmbH scores 79.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.82.524%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.61.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
PrüfXpert GmbH scores 50.8 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.25.012%
  • 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%
PrüfXpert GmbH 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%
PrüfXpert GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PrüfXpert GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 10 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Kügeliloostrasse 99
8046 Zurich
Opening hours
Mon
07:00 - 22:00
Tue
07:00 - 22:00
Wed
07:00 - 22:00
Thu
07:00 - 22:00
Fri
07:00 - 22:00
Sat
07:00 - 22:00
Sun
07:00 - 22:00

At a glance

Legal form
Limited Liability Company
UID
CHE-155.534.866
Founded
2025 · 1 year
Last commercial register change
January 22, 2026
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.
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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