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

About the company

Biderbost AG is an electrical installation company providing planning, consulting and execution of electrical installations. Services include building automation (KNX), network and telematics solutions, lighting planning and installation, photovoltaic systems, low-voltage network work, electric vehicle charging solutions and rental of a self-propelled lift.

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Offering

Products & services

Industry:Electrical Planning & Installation
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Biderbost AG

✓ Offered9
Planning
Planning, consulting, costing and detailed design for electrical projects, from the idea through the first meeting to implementation.
Installation
Installation for service work, on-call interventions and new builds, with precise and professional execution.
Building automation
Design, programming and installation of building automation, including KNX solutions for more comfort and energy optimisation.
Network and telematics
Setup of Internet, WLAN, telephony and modern communications infrastructure.
Lighting
Consulting and implementation of suitable lighting solutions for home or workplace, with support to achieve optimal lighting conditions.
Grid construction
Work in the low-voltage grid for streets and buildings, including renewal of existing installations.
Photovoltaics
Planning and installation of photovoltaic systems, including everything that goes with it.
E-mobility
Consulting, installation and charging management for charging stations in residential developments and single-family homes.
Elevating platform
Rental of a self-propelled elevating platform with up to 26 m of height and 13 m of reach for private individuals and companies.
Trust & reputation

ranQ Trust Score of Biderbost AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Biderbost AG scores 70.9 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.68.124%
  • 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.72.110%
  • 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.78.08%
Biderbost AG scores 66.4 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.39.612%
  • 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.82.07%
Biderbost AG 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%
Biderbost AG scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Biderbost AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 16 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
4.4
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.416
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chileweg 2
8917 Oberlunkhofen
Opening hours
Mon
07:15 - 17:00
Tue
07:15 - 17:00
Wed
07:15 - 17:00
Thu
07:15 - 17:00
Fri
07:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-458.495.075
Founded
2024 · 2 years
Last commercial register change
November 29, 2024
Employees
21 to 50
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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