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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentRossens FrSparks Instruments SA
Sparks Instruments SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Sparks Instruments is the development, manufacture and distribution of monitoring devices, sensors and diagnostic tools for the monitoring and maintenance of electrical components in power plants, particularly in the areas of: * Generation of electrical energy (generators, transformers, cables, busbars and switchgear) * Monitoring of rotating machines (e.g. hydro generators, turbo generators, high-voltage motors) * Partial discharge and insulation diagnosis systems * Condition-based monitoring solutions for generators. The company also offers comprehensive services, including consulting, engineering, design, manufacturing, installation, commissioning and maintenance of monitoring solutions, as well as data analysis and technical support.

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Offering

Products & services

Industry:Research & DevelopmentElectrical Industry
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Sparks Instruments SA

✓ Offered5
Condition Monitoring for Generators
Online and offline monitoring solutions for hydro and turbo generators and high-voltage machines; including partial discharge, magnetic flux, shaft voltage/current and vibration diagnostics.
Condition Monitoring for Mill Drives
Online and offline monitoring solutions for mill drives with partial discharge and magnetic flux diagnostics for fault detection and planned maintenance.
Partial Discharge Monitoring Systems
Standalone, portable and basic partial discharge monitors with automatic or manual data acquisition, storage, diagnostics and trending for rotating machines.
Magnetic Flux Monitoring Systems
Magnetic flux monitors and sensors for rotor winding faults in hydro, turbo and high-voltage machines with automatic data acquisition, diagnostics and storage.
Monitoring Controllers and Databases
Central UDL controllers, condition monitoring databases and modular signal conditioning to combine sensor data and machine diagnostics.
Trust & reputation

ranQ Trust Score of Sparks Instruments SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 88% · As of October 2026

Sparks Instruments SA scores 53.3 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.68.224%
  • 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.17.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Sparks Instruments SA scores 83.5 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.86.512%
  • 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%
Sparks Instruments SA 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%
Sparks Instruments SA scores 82.9 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 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sparks Instruments SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 88%, 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route de Montena 85
1728 Rossens Fr
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-193.405.715
Founded
2016 · 10 years
Last commercial register change
July 1, 2016
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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