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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementHerisauNexum Energietechnik GmbH
Nexum Energietechnik GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of NEXUM Energietechnik GmbH is the planning, supervision and execution of projects in the field of cable and overhead line construction, including the implementation of construction acceptance, assembly checks, safety checks and training. The company also offers services such as project and construction management, planning, coordination and supervision of projects, as well as procurement of materials and support for builders.

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Products & services

Industry:Construction & Project Management
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Nexum Energietechnik GmbH

✓ Offered6
Project management and site supervision in utility line construction
Project responsibility and site supervision for utility line construction projects, including detailed execution planning, staffing plans, technical and qualitative monitoring, and coordination with authorities and owners.
Power line rehabilitation
Rehabilitation of power lines with replacement of suspension clamp tips, arms, mast sections and fittings, as well as adjustment of the cables.
Network expansion and FTTH
Expansion and rehabilitation of the municipal power grid as well as new construction of FTTH systems, including cable pulling, splice/ joint sleeve installation, fibre-optic cables and building connections.
Cable work and fittings installation
Cable work on overhead lines, cable winches/hoists, replacement of fittings and pulling in new conductor ropes on concrete poles and in track areas.
Drone inspection of overhead lines
Inspection of cables and fittings using a drone, flyover of the line, recording of the as-is condition, and preparation of a condition assessment.
Corrosion protection for high-voltage power lines
Site supervision and monitoring of corrosion protection work on 380-kV lines, including technical and qualitative oversight and schedule control.
Trust & reputation

ranQ Trust Score of Nexum Energietechnik 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

Nexum Energietechnik 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%
Nexum Energietechnik GmbH scores 65.0 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.58.012%
  • 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.55.07%
Nexum Energietechnik 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%
Nexum Energietechnik 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

Burghalden 5931
9100 Herisau

At a glance

Legal form
Limited Liability Company
UID
CHE-459.112.796
Founded
2022 · 4 years
Last commercial register change
November 28, 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.
88.0
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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