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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryBuilding materials manufacturerSionSEP Sion SA
SEP Sion SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

SEP Sion SA operates a plant producing and selling bituminous mixtures. Its range includes asphalt mixes for base, binder and surface courses.

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Products & services

Industry:Building materials manufacturer
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4.0/5

SEP Sion SA

✓ Offered
5
Production and sale of bituminous asphalt mixes
Production and sale of bituminous asphalt mixes on the Sion site, with simultaneous manufacture of several products and storage of finished product and bitumen.
Base asphalt mixes
Base asphalt mixes of type AC T 11 N, AC T 16 N, AC T 22 H, AC T 22 N and AC T 22 S, according to the 2026 price list.
Foundation asphalt mixes
Foundation asphalt mixes AC F 22 available at SEP, listed in the 2026 price and products list.
Binder asphalt mixes
Binder asphalt mixes AC B 11 S, AC B 16 H, AC B 16 S, AC B 22 H and AC B 22 S, available according to the published formulations.
Wearing course asphalt mixes
Wearing course asphalt mixes AC 11 H, AC 11 N, AC 11 S, AC 11 S PmB, AC 11 Villa, AC 16 N, AC 8 N, AC 8 S, AC MR 11, AC MR 8, PA 8 and SDA 8-12.
Trust & reputation

ranQ Trust Score of SEP Sion SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of November 2026

SEP Sion 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%
SEP Sion SA scores 70.4 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.64.612%
  • 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%
SEP Sion SA scores 85.0 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).85.022%
SEP Sion SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SEP Sion SA reaches a ranQ Trust Score of 4.0 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 November 2026.

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

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Location

Route d'Aproz 10
1950 Sion

At a glance

Legal form
Corporation
UID
CHE-422.189.988
Founded
2021 · 5 years
Last commercial register change
March 5, 2025
Employees
1 to 10

Active in 1 of 26 cantons

  • VSValais
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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