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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Infrastructure & CloudAaraue-sy AG
e-sy AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of e-sy AG is to provide services in the field of intelligent measurement, control and information systems for distribution network operators, particularly in connection with the introduction of smart meters and the implementation of regulatory requirements for the Energy Strategy 2050. This includes, among other things, support for the procurement and operation of smart meters, the collection and management of personal data, and the certification of systems to ensure data protection compliance.

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Offering

Products & services

Industry:IT Infrastructure & CloudSoftware Development
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4.1/5

e-sy AG

✓ Offered4
Meter data acquisition and processing
Meter data acquisition and processing for electricity, gas, water and heat/cold flows; transfer to central servers, forwarding to billing, visualization and energy data management systems.
Head-End System (HES)
Head-End System for central administration, configuration and monitoring of smart meters; data retrieval, bidirectional communication, event management, security and multi-tenancy.
Services for smart metering rollout
Consulting on rollout, communication technology and data security; support with configurations, integration of multi-energy meters, cleanup and operational operation of the Head End system.
Smart meter products
Smart meters, data concentrators and load switching devices for intelligent metering, control and grid management applications; standardized configurations for rapid implementation and reduced operating effort.
Trust & reputation

ranQ Trust Score of e-sy AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

e-sy AG 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%
e-sy AG scores 78.6 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.75.012%
  • 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.70.07%
e-sy AG 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%
e-sy AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

e-sy AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Bahnhofstrasse 28
5000 Aarau
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-240.524.569
Founded
2019 · 7 years
Last commercial register change
October 2, 2025
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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