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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationLocarnoINERTA Engineering Sagl
INERTA Engineering Sagl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

INERTA Engineering Sagl designs, installs and commissions plants for the treatment and decontamination of excavated soils and for the treatment of wastewater and sludges generated by those materials. The company provides project engineering, planning, installation and commissioning services, PFAS-related consultancy, and supplies modular lamella separators (SLC) and related accessories.

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Products & services

Industry:Electrical Planning & Installation
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4.0/5

INERTA Engineering Sagl

✓ Offered7
Design of treatment plants
Design of plants for treating excavation soil, wastewater and sludge; preliminary project analysis, technical and regulatory planning, documentation for the operating permit.
Plant installation and commissioning
Construction, installation and testing of the systems, with preparation of the required documentation and support up to commissioning.
Plants for treatment and decontamination of excavation soil
Plants for recycling and decontaminating unpolluted, slightly polluted and highly polluted excavation soil, with solutions for recovering materials.
Wastewater treatment plants
Plants for treating the wastewater from processed materials, including processes for clarification, separation and management of industrial effluents.
Plants for sludge treatment and recovery
Plants for the treatment and recovery of contaminated sludge, with solutions for separation, pre-thickening and flotation.
PFAS consultancy
Consultancy in the event of PFAS contamination, with support for assessing and defining treatment measures.
Circular lamella clarifier SLC
Lamella sedimenter for clarification–flocculation, sedimentation and oil removal; available in versions ECO-COMPACT, FLOW, High-Capacity, SLUDGE, BIO and DAF.
Trust & reputation

ranQ Trust Score of INERTA Engineering Sagl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

INERTA Engineering Sagl scores 60.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.70.824%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.27.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
INERTA Engineering Sagl 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%
INERTA Engineering Sagl 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%
INERTA Engineering Sagl scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

INERTA Engineering Sagl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Via della Pace 5
6600 Locarno

At a glance

Legal form
Limited Liability Company
UID
CHE-104.398.937
Founded
1997 · 29 years
Last commercial register change
November 12, 2014
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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