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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryOltenPCO Olten AG
PCO Olten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

PCO Olten AG secures rock faces, extracts limestone and deposits clean, uncontaminated excavation material at the Born quarry. The quarried limestone is processed into products such as Blockwurf, Schroppen, Kofferkies and Mergel for sale, and an oversight commission monitors extraction and reinstatement with ecological measures.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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PCO Olten AG

✓ Offered2
Quarrying operations
Secure rock faces, quarry limestone, and deposit clean excavated material; pre- and backfilling as well as soil build-up for reforestation in the Born quarry.
Limestone products
Process limestone into riprap, limestone chippings, filling gravel, and marl, and sell it to customers.
Trust & reputation

ranQ Trust Score of PCO Olten AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

PCO Olten 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.
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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%
PCO Olten AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
PCO Olten AG 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%
PCO Olten AG scores 33.6 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 35.57.14%
  • 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

PCO Olten 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 58%, 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.

Press

Media

October 6, 2022Media
Reinhold Dörfliger senior ist ein Selfmademann durch und durch
solothurnerzeitung.ch

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Location

Rötzmattweg 117
4600 Olten

At a glance

Legal form
Corporation
UID
CHE-100.945.183
Founded
1932 · 94 years
Last commercial register change
December 23, 2021
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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