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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerLes AcaciasRyser Eco Sàrl
Ryser Eco Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ryser Eco Sàrl is the planning and implementation of projects in the field of sanitary facilities, fluid technology and renewable energies, particularly in solar thermal hot water preparation and rainwater utilization. The company also offers services in the areas of heating, ventilation, air conditioning and electricity, and can take on expert opinions and consulting activities due to its specialized knowledge and certifications (Maîtrise Fédérale, Expertisen, Concessionnaire agréé).

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Products & services

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Ryser Eco Sàrl

7
Sanitary installations project studies
Sanitary installations project studies, plan preparation, site supervision up to handover of the completed work, assistance to the client and construction management.
Technical fluids project studies and CVSE coordination
Technical fluids project studies, general CVSE coordination, tenders, budget calculations and economic design for construction projects.
Renewable energy and solar solutions project studies
Renewable energy project studies, in particular preheating of hot water using solar energy, with concepts and solutions tailored to the projects.
Rainwater and greywater recovery
Studies for rainwater and greywater recovery, with rainwater retention integrated into technical installation projects.
Heating, ventilation, air conditioning and electrical project studies
Heating, ventilation, air conditioning and electrical project studies, offered in collaboration with partners for complete mandates.
Construction site management and site supervision
Construction site management, site supervision up to handover of the completed work, client advice and technical support during mandate execution.
Private and judicial expert appraisals
Private and judicial expert appraisals in the field of sanitary and technical installations, linked to membership in the experts’ group FMB.
Trust & reputation

ranQ Trust Score of Ryser Eco Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Ryser Eco Sàrl 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%
Ryser Eco Sàrl 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%
Ryser Eco Sàrl scores 86.7 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).86.722%
Ryser Eco Sàrl scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ryser Eco Sàrl 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Route du Grand-Lancy 2
1227 Les Acacias
Opening hours
Mon
07:30 - 18:00
Tue
07:30 - 18:00
Wed
07:30 - 18:00
Thu
07:30 - 18:00
Fri
07:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.659.105
Founded
2002 · 24 years
Last commercial register change
December 15, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GECarouge (GE)
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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