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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesCarouge GeAQUA LEMAN SA
AQUA LEMAN SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

AQUA LEMAN SA is a building services company focused on plumbing, heating installations and sheet metal work. It provides consulting, planning, installation, maintenance, repairs and renovation services for systems and buildings.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
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AQUA LEMAN SA

Plumbing work
Sanitary facilities, bathroom remodelling and bathroom renovation, repairs to water pipes, drains, cisterns and fittings, as well as service and maintenance of sanitary facilities.
Heating
Heating system installations, heating system renovations, advice on heating systems, maintenance and service of heating systems as well as repairs and emergency service, including mobile heating in emergencies.
Sheet metal work
Building sheet metal work, roof drainage, sealing and edging on flat roofs, chimneys and roof windows, as well as repairs to gutter channels, drainpipes and window sills.
Trust & reputation

ranQ Trust Score of AQUA LEMAN SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

AQUA LEMAN SA 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%
AQUA LEMAN SA scores 89.3 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%
AQUA LEMAN SA 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%
AQUA LEMAN SA scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AQUA LEMAN SA 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

Place du Rondeau 7
1227 Carouge Ge

At a glance

Legal form
Corporation
UID
CHE-116.057.377
Founded
2010 · 16 years
Last commercial register change
June 6, 2025
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.
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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