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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSionOIKEN SA
OIKEN SA Logo
Verified· 4 sourcesTrust Score
Summary

About the company

OIKEN SA is an energy and services company offering electricity supply, photovoltaic systems, mobility and charging infrastructure, and heating solutions. It also provides energy efficiency consulting, contracting for heat and photovoltaics, and multimedia and network services (internet, TV, telephony, OIKEN connect) for households, businesses and municipalities.

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Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered
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OIKEN SA

8
Solar photovoltaics
Solar photovoltaics for private individuals, businesses and public authorities, from design to commissioning, with installation, self-consumption and storage solutions.
Photovoltaics
Photovoltaics with roof potential assessment, panel installation, commissioning, maintenance and monitoring of production.
Self-consumption community
Self-consumption community to pool solar production, optimise the profitability of the installation and delegate administrative management.
Virtual pooling for self-consumption (RCPv)
RCPv to generate, consume and operate your own solar electricity, including planning, installation and management.
Local electricity community (CEL)
CEL for building a local energy community, reducing electricity costs and centralising billing.
Evolium battery
Residential solar battery to complement a photovoltaic installation and improve storage of the energy produced.
Photovoltaic contracting
Photovoltaic contracting for businesses with more than 200 m² of usable area, including analysis, financing, installation, maintenance and valuation of surplus energy.
Energy consulting
Energy consulting to analyse and optimise energy consumption, with guidance and tailored recommendations.
Trust & reputation

ranQ Trust Score of OIKEN SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

OIKEN SA scores 41.9 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.0.024%
  • 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.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
OIKEN SA scores 85.1 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.96.07%
OIKEN SA scores 86.7 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).86.722%
OIKEN SA scores 55.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

OIKEN SA reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 2.8 out of 5 stars from 70 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
2.8
of 5

Aggregated from 70 reviews across all connected sources

Sources
GGoogle2.870
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 2, 2024Media
Nicolas Varone: Responsable de l’unité Energie et Transition, Oiken
pme.ch

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Location

Rue de l'Industrie 43
1950 Sion
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-182.207.803
Founded
2019 · 7 years
Last commercial register change
July 4, 2025
Employees
101 to 500
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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