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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorWalchwilMicroChange AG
MicroChange AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of MicroChange is the development and provision of solutions for water pollution problems, particularly through the development of modular product components for water purification, including mechanical filtration, adsorption and other techniques. The company focuses on developing cost-effective and environmentally friendly solutions that meet the United Nations' Sustainable Development Goals.

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Products & services

Industry:Sustainability Sector
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4.0/5

MicroChange AG

✓ Offered8
Phosphorus management for waters
End-to-end phosphorus management for lakes and other waters, including diagnosis, dosing planning, controlled application, monitoring, documentation and post-treatment.
Phoslock
Phoslock solution for binding and removing excess phosphorus in water and sediment, used to combat eutrophication and algal blooms.
Lake restoration and eutrophication control
Measures for lake restoration, internal phosphorus control and the recovery of the ecosystem in freshwater waters such as lakes and wetlands.
Targeted phosphorus removal at hotspots
Targeted removal of phosphorus at inlets, hotspots and interfaces with water infrastructure to reduce local load directly.
Mechanical filtration and adsorption
Mechanical filtration and adsorption for water treatment in closed or external systems, including neutralisation of nutrients and in part also heavy metals.
Water treatment with a mobile plug-and-play system
Mobile, modular and low-maintenance system for temporary water treatment outside the water body, with pump, pre-filtration, aeration and online monitoring.
Monitoring, documentation and reporting
Monitoring, documentation and reporting to support approvals, quality control and stakeholder confidence after treatment.
Research and Development
Continuous research and development to develop new methods for nutrient loads and water-related remediation solutions.
Trust & reputation

ranQ Trust Score of MicroChange AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

MicroChange 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.
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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%
MicroChange AG scores 70.4 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.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%
MicroChange 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%
MicroChange AG scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

MicroChange AG reaches a ranQ Trust Score of 4.0 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

Hintermettlen 24
6318 Walchwil

At a glance

Legal form
Corporation
UID
CHE-249.155.573
Founded
2021 · 5 years
Last commercial register change
November 1, 2024
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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