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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationHallauBaumann Müller AG
Baumann Müller AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Baumann Müller AG is the provision of services in the field of electrical engineering, particularly in the areas of: * Installation and maintenance of electrical systems * Lighting design and planning * Project planning and implementation in the field of electrical engineering * Standby and emergency services for electrical systems * Consulting and planning in the field of electromagnetic pollution and solar protection. The company offers these services to various customer groups, including: * Private households (home and living) * Commercial and industrial enterprises * Agricultural businesses * Household appliance manufacturers and retailers. The core activity of the company thus encompasses planning, installation, maintenance, and consulting in the field of electrical engineering for various customer groups.

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Offering

Products & services

Industry:Electrical Planning & Installation
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Baumann Müller AG

✓ Offered11
Lighting
Lighting concepts, lighting solutions and lighting renovations for residential areas, workplaces, schools, industry, commerce and agriculture; including switches, sockets and intelligent control systems.
Electrical installations for home and living
Electrical installations, home technology solutions and installation inspections for new builds, conversions and maintenance in the private sector; in addition, integration of photovoltaic systems.
Electrical installations for industry and commercial
Planning and implementation of electrical installations for industrial and commercial buildings; including lighting design, LED upgrades, building networks, access controls, fire alarm systems, building automation and cabling.
Industrial assembly
Assembly, commissioning and revisions of industrial or commercial systems; short-term deployments as well as longer projects in Switzerland and abroad.
Industrial and commercial maintenance
Installation inspections, maintenance and rectification of defects for electrical systems; regular checks for safety and ongoing operation.
Historic preservation
Electrical installations and lighting solutions for listed buildings; invisible integration of modern technology while considering the requirements of heritage protection.
E-Mobility
Advice, planning and installation of charging infrastructure and charging stations for home, operations and larger systems.
Electrosmog
Measurement of interference fields, advice on protective measures, installation of network disconnect switches, time-controlled switching off of consumers and shielding for living and working rooms.
Agricultural electrical installations
Planning and implementation of electrical systems for agricultural operations; taking into account hygiene requirements and operational needs.
Appliance sales
Sale of electrical appliances, appliance series and catalogue appliances with consultation as well as extended warranty periods for selected brands.
Central vacuum systems
Advice, installation and maintenance of central vacuum systems for living and working areas; also retrofits as part of modernisations.
Trust & reputation

ranQ Trust Score of Baumann Müller AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Baumann Müller AG scores 71.3 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.78.124%
  • 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.49.510%
  • 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%
Baumann Müller 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%
Baumann Müller AG scores 83.3 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).83.322%
Baumann Müller AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baumann Müller AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Konservenstrasse 14
8215 Hallau
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.746.030
Founded
1982 · 44 years
Last commercial register change
August 31, 2026
Employees
11 to 20
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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