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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMellingenRonsmans Ingenieure GmbH
Ronsmans Ingenieure GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ronsmans Ingenieure GmbH is the provision of engineering services for the planning, development and commissioning of medium and high-voltage systems, protection and control relays, as well as smart grid applications. This includes, among other things: concept creation and design documentation, consulting for industrial customers and customers with complex networks, independent assessment of protection and control relays and systems, detailed work such as plant and cabinet layouts, specification of main components and creation of cable routing lists and wiring diagrams, commissioning and training of plants and systems, representation at factory and plant acceptance tests, as well as creation of test reports. The company offers its services primarily to the energy industry and industry, using modern software tools and programs to support its customers in the best possible way.

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Products & services

Industry:Technical Consulting & Engineering
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Ronsmans Ingenieure GmbH

✓ Offered5
Engineering consulting for medium- and high-voltage systems
Creation of concepts, design documents and consulting for medium- and high-voltage systems, new builds and retrofit projects, including support for industrial customers and compact grids.
Protection and control engineering
Independent assessment of protection and control relays as well as protection and control systems, including Smart Grid applications and the associated setting and network calculations.
Detailed engineering for electrical installations
System and cabinet layouts, specifications of main components, cable routing and cable connection lists, wiring diagrams, signal lists, data point lists and multi-vendor interface engineering.
Commissioning and site supervision
Representation during factory and plant acceptance, commissioning, training, field-level and GIS acceptance tests, site management as well as ongoing recording and reporting of construction sites.
Protection system and SAS integration
Commissioning and training for protection systems, integration with the SAS, energy metering systems, power quality systems and switchgear.
Trust & reputation

ranQ Trust Score of Ronsmans Ingenieure GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Ronsmans Ingenieure GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Ronsmans Ingenieure GmbH scores 80.9 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.95.212%
  • 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.55.07%
Ronsmans Ingenieure GmbH scores 83.3 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).83.322%
Ronsmans Ingenieure GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Im Geerig 8
5507 Mellingen

At a glance

Legal form
Limited Liability Company
UID
CHE-458.154.042
Founded
2013 · 13 years
Last commercial register change
December 12, 2013
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.
88.0
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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