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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentGommiswaldEssDe GmbH
EssDe GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of EssDe GmbH is the development and implementation of processes and technologies for wastewater treatment, particularly with granular sludge. The company offers solutions for deammonification and the optimization of activated sludge plants through the conversion of suspended sludge into aerobic granular sludge (AGS).

AI-generated
Offering

Products & services

Industry:Research & Development
✓ Offered3
Deammonification
Nitrogen removal in the sidestream using the EssDe® process, treatment of ammonium-loaded centrate and sludge water, reduction in energy demand and external carbon.
Deammonification in the main stream
Deammonification in the wastewater plant's main stream, combination with sidestream, lower oxygen demand, selective return of bacteria and energy optimisation of existing plants.
S::Select
Activated sludge process with aerobic granular sludge to solve bulking sludge problems, improve sedimentation, stabilise the biology and increase nitrification performance.
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4.1/5

EssDe GmbH

Trust & reputation

ranQ Trust Score of EssDe 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.

EssDe 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%
EssDe GmbH scores 86.7 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.70.07%
EssDe GmbH 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%
EssDe GmbH scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EssDe 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

Rietwiesstrasse 39
8737 Gommiswald

At a glance

Legal form
Limited Liability Company
UID
CHE-112.475.729
Founded
2005 · 21 years
Last commercial register change
March 26, 2019
Employees
11 to 20
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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