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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationLüchingenerratec ag
erratec ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

erratec ag provides sealing technology and construction waterproofing solutions. The company plans and carries out waterproofing work for structures, including joint sealing, crack injections, white and yellow tank systems, flat roofs and sheet metal work.

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Offering

Products & services

Industry:Sealing & Insulation
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3.9/5

erratec ag

✓ Offered
11
Waterproofing systems for structures
Planning, consulting, execution and inspection of waterproofing systems for structures and groundwater waterproofing, including quality assurance, acceptance report and a 10-year guarantee.
White tank
A waterproofing system made of various system components for structure and groundwater waterproofing, used for watertight structures.
Yellow tank
A waterproofing system, also called Weisse Wanne Plus, made of various system components for structure and groundwater waterproofing.
Joint sealing
Sealing of joints with joint tapes, injection channels, injection hoses and Combiflex for watertight structures.
Connection to existing buildings
Connections for existing buildings and clamp connections for watertight concrete structures that are connected to existing watertight structures.
Crack injections
Filling and sealing of cracks, joints and voids, in particular for drying out basements.
Fresh concrete composite membrane
An additional protective layer for earth-contacting components to prevent water ingress through the concrete surface.
Flat roofs
Flat roof systems for gravelled, green or walkable roofs as part of the building envelope.
Sheet metal work
Metal work on roof edges, façades and junctions for neat and durable solutions for the building envelope.
Materials for waterproofing systems
Mapei and Sika products such as fresh concrete composite membranes, injection hoses, joint tapes, sealing tapes, pipe penetrations and formwork ties.
Standards consulting
Information on SIA standards and watertightness classes as a basis for planning and execution in waterproofing and construction contexts.
Trust & reputation

ranQ Trust Score of erratec ag: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

erratec 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%
erratec ag scores 64.1 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.50.012%
  • 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%
erratec ag 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%
erratec ag scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

erratec ag 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

Im Moos 2
9450 Lüchingen

At a glance

Legal form
Corporation
UID
CHE-145.438.876
Founded
2023 · 3 years
Last commercial register change
May 27, 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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