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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationGossau SgA. Lehmann Elektro AG
A. Lehmann Elektro AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

A. Lehmann Elektro AG provides electrical and building-technology services, covering IT and telecommunications, photovoltaic systems and e-mobility solutions. Its services include planning, installation and maintenance of electrical installations, device testing, ICT solutions and charging infrastructure.

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Products & services

Industry:Electrical Planning & Installation
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4.3/5

A. Lehmann Elektro AG

6
Building services
Design, installation and maintenance of building installations for living and working; electrical engineering, execution, service and equipment testing.
ICT solutions
Industry-specific ICT solutions for businesses; concepts for cloud, modern workplace, backup, OnPrem environments, monitoring as well as secure and scalable infrastructures.
Automation
Building automation, industrial automation and active energy management; design and implementation of automated processes for home, workplace and operations.
Photovoltaics
PV systems and energy optimisation with battery storage and self-consumption optimisation; advice on solar potential and implementation of systems.
E-mobility
Home charging stations, public charging stations and charging service for e-mobility; solutions for private customers, companies and organisations.
Periodic equipment testing
Regular testing of electrical devices according to applicable requirements; testing, labelling and advice by certified specialists.
Trust & reputation

ranQ Trust Score of A. Lehmann Elektro AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

A. Lehmann Elektro AG scores 72.7 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.80.624%
  • 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.55.910%
  • 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%
A. Lehmann Elektro AG scores 88.6 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.79.212%
  • 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.90.07%
A. Lehmann Elektro AG scores 86.7 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).86.722%
A. Lehmann Elektro AG scores 68.4 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

A. Lehmann Elektro AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 8 customer reviews. 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 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 4, 2025Media
12 Lernende – 12 erfolgreich – 12 bleiben im Betrieb!
gossau24.ch
July 8, 2024Media
Führungswechsel bei der «A. Lehmann Elektro AG»
appenzell24.ch
July 1, 2024Media
Führungswechsel bei A. Lehmann Elektro AG
gossau24.ch
June 28, 2024Media
«Die Neugier treibt uns an»: Der Patron der Gossauer A. Lehmann Elektro AG regelt seine Nachfolge
tagblatt.ch
December 27, 2022Media
Lehmann verstärkt Führung
leaderdigital.ch
August 14, 2019Media
Lehmann Elektro leitet Nachfolgeregelung ein
inside-it.ch

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Location

Tellstrasse 4
9200 Gossau Sg
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-246.371.413
Founded
2018 · 8 years
Last commercial register change
May 20, 2026
Employees
51 to 100
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.100.03%
    • Full methodology

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