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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingVolketswilLS Dach GmbH
LS Dach GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

LS Dach GmbH provides flat-roof systems and waterproofing services. Offerings include consulting and project planning, bitumen and liquid-applied waterproofing, thermal insulation and vapor barriers, substructures and basement/below-ground waterproofing, as well as renovations, new-build work and tender/plan documentation.

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Products & services

Industry:RoofingReal Estate Project Development
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LS Dach GmbH

✓ Offered11
Flat roof systems
Complete flat roof solutions from one source, from consultation and planning to waterproofing, insulation, renovation and new builds; for residential buildings, commercial properties and industrial halls.
Consulting and planning
Personal consulting, technical design, detailed planning documents, tapered-slope concepts, tender documents and technical drawings for flat-roof projects.
Renovations and new builds
Renovation of flat roofs and flat-roof solutions for new builds, including assessment of the existing structure, renovation concepts and implementation for residential, commercial and industrial buildings.
Waterproofing with bituminous membranes
Bituminous waterproofing for flat roofs and other building components, installed as a long-lasting protective layer against moisture and weather.
Liquid-applied waterproofing
Seamless waterproofing with liquid plastic for complex areas, connections, balconies, terraces, parapets, light domes and penetrations.
Thermal insulation and vapour barriers
Thermal insulation and airtight vapour barriers installed for flat roofs, terraces and basement ceilings to improve energy efficiency and moisture protection.
Substructures and tapered insulation
Load-bearing substructures and calculated tapered insulation for flat roofs, so that rainwater drains in a controlled way and the waterproofing remains protected.
Skylights and accessories
Supply and installation of skylights, light domes, smoke and heat exhaust systems, as well as accessories such as upstands, sun protection and ventilation components.
Below-ground waterproofing and insulation
Waterproofing and insulation systems for below-ground structural elements such as basement walls, ground slabs and underground car parks, including vertical and horizontal waterproofing as well as perimeter insulation.
Basement moisture-proofing
Basement waterproofing with interior and exterior waterproofing, negative-side waterproofing, injection methods and suitable insulation concepts against moisture, mould and heat losses.
Tender documents and planning materials
Preparation of tender documents, planning materials and technical drawings for flat-roof projects as a basis for construction management and execution.
Trust & reputation

ranQ Trust Score of LS Dach GmbH

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

LS Dach 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.
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%
LS Dach GmbH scores 70.2 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.70.212%
  • 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%
LS Dach GmbH 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%
LS Dach GmbH 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.

Knowledge

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Location

In der Höh 12
8604 Volketswil

At a glance

Legal form
Limited Liability Company
UID
CHE-405.441.684
Founded
2020 · 6 years
Last commercial register change
September 11, 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.
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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