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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesLandquartKLARK AG
KLARK AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

KLARK AG develops and markets CO₂-neutral concrete for the construction sector. With KLARK concrete, the company offers a solution that permanently binds CO₂ in the building material and is used for sustainable construction.

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Offering

Products & services

Industry:Specialized Construction Activities
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3.8/5

KLARK AG

Sustainability Sector
Glass, Ceramics, Stone & Construction Materials Industry
Wholesale - Construction & Raw Materials
Logistics & Transport Companies
✓ Offered3
CO₂-neutral Concrete (KLARK)
CO₂-neutral concrete for building projects, supplied as crane- or pump-delivered concrete, also as watertight concrete and in 50%, 75% and 100% sink-performance variants.
CO₂ Storage in Construction
Long-term CO₂ storage through biochar in concrete, with verified life-cycle assessment under KBOB rules and certified sink performance under an acknowledged standard.
Licensing Partnership for Climate Concrete
Licensing partnerships for distributing KLARK, including access to product documentation, promotional materials, certificates, plus support in marketing and sales.
Trust & reputation

ranQ Trust Score of KLARK AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · As of October 2026

KLARK 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.
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%
KLARK AG scores 53.4 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.25.012%
  • 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%
KLARK AG 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%
KLARK AG scores 26.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.26.74%
Qualifications+0.00

KLARK AG reaches a ranQ Trust Score of 3.8 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 October 2026.

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

Press

Media

October 1, 2025Media
Firmengründung für CO₂-neutralen Beton
baublatt.ch
September 2, 2025Media
Klark AG gegründet: Beton wird zum CO₂-Speicher
leaderdigital.ch
September 2, 2025Media
Vier Firmen gründen KLARK AG für CO2-neutralen Beton
punkt4.info

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Location

Sägenstrasse 8
7302 Landquart

At a glance

Legal form
Corporation
UID
CHE-314.037.382
Founded
2025 · 1 year
Last commercial register change
September 10, 2026
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.
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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