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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesGenevaSTAMPER Sàrl
STAMPER Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

STAMPER Sàrl provides construction services including coring (core drilling), concrete cutting, structural strengthening with carbon fiber, demolition, and renovation. The company carries out projects for both private clients and professional contractors.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered5
Concrete sawing
Concrete sawing of concrete, reinforced concrete, stone, marble, brick, breeze blocks, tar and asphalt for openings, trémie openings, cutting of slabs, walls, floors and technical passages.
Concrete coring
Coring in concrete and other building materials for routing services, ventilation ducts, cables, plumbing, heating and other precise circular perforations.
Demolition and dismantling
Total demolition or targeted removal, partial dismantling, removal of partition walls, walls, slabs, floors, staircases and other elements, with debris management and secured interventions.
Renovation of concrete structures
Renovation of concrete structures with creation or reinstatement of openings, infilling of old openings, closure of trémie openings, linings and technical preparation of the supports.
Structural strengthening
Metal, carbon or hybrid reinforcement of load-bearing walls, floors, beams, slabs and structures of art for taking over loads, consolidation and increasing load-bearing capacity.
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STAMPER Sàrl

Trust & reputation

ranQ Trust Score of STAMPER Sàrl

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

STAMPER Sàrl 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%
STAMPER Sàrl scores 57.1 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.39.612%
  • 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%
STAMPER Sàrl scores 83.3 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).83.322%
STAMPER Sàrl scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Rue Ferdinand-Hodler 17
1207 Geneva

At a glance

Legal form
Limited Liability Company
UID
CHE-246.184.288
Founded
2024 · 2 years
Last commercial register change
June 3, 2024
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.
88.0
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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