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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesBeinwil (Freiamt)Lehmann Instandhaltungstechnik GmbH
Lehmann Instandhaltungstechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lehmann Instandhaltungstechnik GmbH is the assembly, maintenance, optimization and servicing of plants and power plants, particularly in the field of hydroelectric power plants and other industrial facilities. This includes services such as quality controls, revisions, new installations, repairs, preventive maintenance, annual services and the development of customized maintenance concepts.

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Products & services

Industry:Repair of Machinery & Electronic Devices
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4.1/5

Lehmann Instandhaltungstechnik GmbH

Construction & Project Management
✓ Offered3
Assembly management
Coordination of all on-site work, scheduling, optimization of work processes, supervision of subcontractors, and quality checks for assembly and plant projects.
Service
Overhauls, new installations, repairs and maintenance of plant components; preventive maintenance, annual service visits, as well as maintenance concepts and optimization.
Expertise in quality assurance and plant assessment
Quality assurance and documentation, assessment of plant conditions, as well as factory acceptance tests at suppliers to ensure reliability and long service life.
Trust & reputation

ranQ Trust Score of Lehmann Instandhaltungstechnik GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

Lehmann Instandhaltungstechnik GmbH scores 80.8 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.86.024%
  • 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.70.510%
  • 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%
Lehmann Instandhaltungstechnik GmbH scores 67.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • 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.55.07%
Lehmann Instandhaltungstechnik GmbH 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%
Lehmann Instandhaltungstechnik GmbH scores 3.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lehmann Instandhaltungstechnik GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 15 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 15 reviews across all connected sources

Sources
GGoogle515
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wiggwil 6b
5637 Beinwil (Freiamt)
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-196.798.173
Founded
2021 · 5 years
Last commercial register change
April 20, 2022
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.88.06%
  • 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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