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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding automationKerzersFranz und Rohrer AG
Franz und Rohrer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Franz und Rohrer AG plans and installs electrical systems for new buildings and renovations. Its services also include repairs and maintenance, EV charging infrastructure, smart-home solutions, and control and regulation technology for building and industrial automation.

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Service area

Offering

Products & services

Industry:Building automationElectrician
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Franz und Rohrer AG

✓ Offered6
Electrical installations for new builds and renovations
Electrical installations for new builds and renovations, from consultation and basic installation through to the complete realisation of electrical systems.
Service and small installations
Service and small installations for charging stations, additional sockets, new lights and heating controls, including consultation, installation and commissioning.
Repairs and maintenance
Repairs and maintenance of systems and installations, with rapid fault rectification and regular maintenance to reduce downtime.
Planning and project design of electrical systems
Planning and project design of individual electrical systems, tailored to needs and requirements and to the realisation of complete projects.
Smart home and energy-efficiency solutions
Smart home solutions for lighting, heating and security, as well as solutions for more efficient use of energy in the building.
Control and regulation technology for building and industrial automation
Control and regulation technology for building and industrial automation, including customer-specific controls, retrofit of existing machines and PLC solutions.
Trust & reputation

ranQ Trust Score of Franz und Rohrer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Franz und Rohrer AG scores 69.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.70.524%
  • 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.65.210%
  • 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.70.08%
Franz und Rohrer AG scores 89.3 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.70.07%
Franz und Rohrer AG scores 85.0 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).85.022%
Franz und Rohrer AG scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Franz und Rohrer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 12 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle4.512
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hier entsteht die Karte
3210 Kerzers
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.010.923
Founded
1983 · 43 years
Last commercial register change
October 19, 2015
Employees
11 to 20

Active in 1 of 26 cantons

  • FRFribourg
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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