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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryBuilding materials manufacturerLa Roche FrA. et A. Kolly S.A.
A. et A. Kolly S.A. Logo
Verified· 2 sourcesTrust Score
Summary

About the company

A. et A. Kolly S.A. manufactures concrete and cement products for building and civil engineering, including masonry blocks, paving stones, concrete blocks and pipes. It also supplies sand, gravel and ready-mixed concrete.

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Presence

Service area

Offering

Products & services

Industry:Building materials manufacturer
✓ Offered4
Concrete products
Concrete products for building and civil engineering, in particular rapid cement bricks, solid blocks, concrete paving stones, cement pipes, filter plates and ready-mix concrete.
Sand and gravel
Natural sand and gravel, gravel to meet the specific needs of construction sites and building work.
Type A landfill
Type A landfill for responsible management of construction waste in the district of Gruyère.
Custom concrete solutions
Custom concrete solutions for construction sites, with tailored advice, customised quotes and products suited to the needs of contractors, building materials dealers and private individuals.
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4.1/5

A. et A. Kolly S.A.

Trust & reputation

ranQ Trust Score of A. et A. Kolly S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

A. et A. Kolly S.A. 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%
A. et A. Kolly S.A. 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%
A. et A. Kolly S.A. scores 85.0 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).85.022%
A. et A. Kolly S.A. scores 10.6 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 35.10.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A. et A. Kolly S.A. 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 November 2026.

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

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Location

Route de Villaret 4
1634 La Roche Fr

At a glance

Legal form
Corporation
UID
CHE-101.508.299
Founded
1972 · 54 years
Last commercial register change
September 6, 2021
Employees
1 to 10

Active in 2 of 26 cantons

  • FRFribourg
  • VDVaud
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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