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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationSierreNANCHEN & MATHIEU ÉLECTRICITÉ SA
NANCHEN & MATHIEU ÉLECTRICITÉ SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

NANCHEN & MATHIEU ÉLECTRICITÉ SA is an electrical installation company providing interior installations, renovations, conversions, extensions and small repair works. It also performs OIBT conformity upgrades, installs smart‑home solutions (Loxone partner) and handles telecom connections, serving private clients and property managers.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered4
Indoor electrical installations for new builds
Indoor electrical installations for new projects, including lighting, sockets, distribution boards, and preparation for future requirements in accordance with applicable standards.
Renovations, conversions, extensions and minor electrical work
Renovations, conversions, extensions and minor electrical work, covering strong and weak current, upgrades, troubleshooting, connection to Swisscom and Loxone smart home.
Bringing installations into OIBT compliance
Bringing electrical installations into compliance with OIBT standards, with preparation of the system for the official inspection, without carrying out the inspection itself.
Smart home with Loxone
Installation of Loxone smart home solutions for lighting, heating, shutters and security, with control via a single app and commissioning included.
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4.1/5

NANCHEN & MATHIEU ÉLECTRICITÉ SA

Trust & reputation

ranQ Trust Score of NANCHEN & MATHIEU ÉLECTRICITÉ SA: 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.

NANCHEN & MATHIEU ÉLECTRICITÉ SA 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.
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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%
NANCHEN & MATHIEU ÉLECTRICITÉ SA scores 85.5 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.100.012%
  • 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%
NANCHEN & MATHIEU ÉLECTRICITÉ SA scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
NANCHEN & MATHIEU ÉLECTRICITÉ SA scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

NANCHEN & MATHIEU ÉLECTRICITÉ SA 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.

Knowledge

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Location

Hier entsteht die Karte
Avenue du Château de la Cour 11
3960 Sierre

At a glance

Legal form
Corporation
UID
CHE-114.933.430
Founded
2009 · 17 years
Last commercial register change
September 18, 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.100.06%
  • 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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