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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsRenens VdSEI Sàrl
SEI Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company SEI - Systèmes Énergétiques Intégrés focuses on the design and implementation of integrated energy solutions for buildings. The core activities include: building automation, access control, video surveillance, energy management, and smart metering. The company develops and implements complete and interoperable solutions for these areas to enable secure, efficient and autonomous building management.

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Offering

Products & services

Industry:Specialized Construction Installations
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SEI Sàrl

✓ Offered6
Building automation
Building automation for villas, PPE, hotels and commercial buildings; centralisation of control for lighting, shutters, heating, ventilation, air conditioning, security and supervision.
Measurement, control and regulation (MCR)
Measurement, control and regulation for high-performance buildings; field measurement, control and regulation of technical installations, energy optimisation, monitoring, operation and maintenance.
Access control
Access control for buildings; centralised management of rights, badges, PIN codes, biometrics, visitor access, traceability, integration with video surveillance and building automation.
Video surveillance
Video surveillance for buildings; IP cameras, recording and secure storage, centralised supervision, remote access, AI-based analysis and integration with access control.
Energy metering
Energy metering and energy monitoring with ProHub; centralised collection of consumption, analysis, reports, individual billing, allocation of charges and online tracking.
Self-consumption sharing scheme (RCP)
Self-consumption sharing scheme (RCP) to share local solar electricity; reliable metering, allocation of consumption and increase in self-consumption.
Trust & reputation

ranQ Trust Score of SEI Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

SEI Sàrl 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%
SEI Sàrl 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%
SEI Sàrl 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%
SEI Sàrl scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SEI Sàrl reaches a ranQ Trust Score of 3.9 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.

Knowledge

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Location

Rue du Léman 11
1020 Renens Vd

At a glance

Legal form
Limited Liability Company
UID
CHE-299.345.555
Founded
2022 · 4 years
Last commercial register change
June 26, 2025
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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