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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationVolketswilTunaj Abdichtungen GmbH
Tunaj Abdichtungen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Tunaj Abdichtungen GmbH is providing sealing solutions for buildings, including the installation and maintenance of silicone joints, hybrid joints, fire protection joints, waterproofing membranes, liquid plastics, Kombiflex, concrete injections, and floor coatings.

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Products & services

Industry:Sealing & Insulation
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3.9/5

Tunaj Abdichtungen GmbH

9
Waterproofing solutions
Waterproofing solutions for structures, with consultation, support and tailor-made solutions for different waterproofing requirements.
Silicone joints
Silicone joints for long-lasting sealing, protection against moisture and an aesthetic finish; including selecting the right silicone and precise installation.
Hybrid joints
Hybrid joints for long-lasting sealing with flexibility and strength, tailored to different projects and requirements.
Fire protection joints
Fire protection joints for sealing and additional fire protection, designed for the specific requirements of buildings and projects.
Water barrier membranes
Water barrier membranes to protect against penetrating water and moisture, with solutions for dry and protected structures.
Liquid plastic
Liquid plastic as a seamless, flexible waterproofing solution for various surfaces and applications.
Kombiflex
Kombiflex solutions for comprehensive sealing, with versatile application on different materials and construction projects.
Concrete injections
Concrete injections to repair leaks and cracks in concrete structures and for lasting protection against moisture.
Floor coating
Floor coatings for robust floor protection with a durable surface resistant to wear, chemicals and other effects.
Trust & reputation

ranQ Trust Score of Tunaj Abdichtungen GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Tunaj Abdichtungen GmbH 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%
Tunaj Abdichtungen GmbH scores 67.8 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.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%
Tunaj Abdichtungen GmbH scores 83.3 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).83.322%
Tunaj Abdichtungen GmbH scores 1.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tunaj Abdichtungen GmbH reaches a ranQ Trust Score of 3.9 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.

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Location

Neufundstrasse 3
8604 Volketswil

At a glance

Legal form
Limited Liability Company
UID
CHE-453.476.142
Founded
2021 · 5 years
Last commercial register change
November 19, 2021
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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