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

About the company

The core activity of Dieterich GmbH is the sealing of various plants and facilities, particularly in the areas of: * Pools and swimming ponds * Public swimming pools * Special seals * Sprinkler tanks * Drinking water containers * WHG seals. The company offers its services as a specialist in sealing in Germany and Switzerland.

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Products & services

Industry:Sealing & Insulation
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4.1/5

Dieterich GmbH

✓ Offered9
Waterproofing technology
Waterproofing systems using FPO/TPO plastic sealing membranes, mainly for water protection and water-carrying structures; thermally welded, free of plasticisers and designed for long service life.
Waterproofing for pools
Pool liners with FPO-PE waterproofing, at least 1.5 mm thick, fabric-reinforced, laid on site and thermally welded.
Waterproofing for natural pools
Natural pool waterproofing with FPO lining for biologically treated bathing water; free of plasticisers and designed to protect against harmful substances.
Natural swimming pond waterproofing
Natural swimming pond waterproofing with FPO membrane film for biologically treated swimming systems; repairable, extendable and UV-resistant.
Waterproofing for public swimming pools
Swimming pool waterproofing with FPO-PE films for public basins; fabric-reinforced, thermally welded, easy to maintain and long-lasting.
Special waterproofing
Special waterproofing for specific or unusual objects such as sprinkler tanks, drinking water reservoirs, flat roofs and cooling-water basins.
Waterproofing for sprinkler tanks
Sprinkler tank liners with FPO plastic sealing membranes; short construction time, minimal substrate preparation, low-maintenance and long-lasting.
Waterproofing for drinking water reservoirs
Drinking water tank liners for new builds and refurbishments with FPO plastic sealing membranes; approved for drinking water, hygienic and low-maintenance.
WHG waterproofing
Waterproofing to WHG § 19 for tanks, containers and basins in LAU facilities; carried out by a certified specialist company using FPO and PE solutions.
Trust & reputation

ranQ Trust Score of Dieterich GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Dieterich 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%
Dieterich GmbH scores 83.0 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.100.012%
  • 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%
Dieterich 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%
Dieterich GmbH scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dieterich GmbH reaches a ranQ Trust Score of 4.1 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

Sonnenwiesenstrasse 8a
8280 Kreuzlingen

At a glance

Legal form
Limited Liability Company
UID
CHE-113.513.947
Founded
2007 · 19 years
Last commercial register change
August 22, 2023
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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