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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMeyrinCY Engineering Sàrl
CY Engineering Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of CY Engineering Sàrl is the provision of engineering services in the field of building technology and energy, particularly in the areas of heating, ventilation, air conditioning (CVC) and control technology. The company offers innovative solutions for the construction and renovation of buildings in various sectors, including the tertiary sector, healthcare and industry.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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3.8/5

CY Engineering Sàrl

✓ Offered9
HVAC-R project studies
Design of the technical installations in all SIA phases, from initial advice to commissioning; preliminary studies, design, approvals, tendering, execution and completion.
Heating
Design and sizing of heating systems, air-to-water and geothermal heat pumps, underfloor heating, radiators, pellet and wood boilers.
Ventilation
Ventilation solutions for comfort and process use, tailored to the specific needs of each project.
Air conditioning
Cooling and air-conditioning systems for comfort or for process applications, adapted to each type of building.
MCR control
Measurement, control and regulation for the management of the building’s technical installations.
Building physics
Thermal and energy studies for regulatory compliance and building performance.
Energy audit
Comprehensive diagnosis of the energy performance of existing buildings.
Technical drawing and coordination
Project and execution drawings in 2D/3D, schematic diagrams, interdisciplinary technical coordination and BIM services.
Client-side project management support
Technical direction of the works, advice and guidance for clients, financial monitoring, adherence to deadlines and costs.
Trust & reputation

ranQ Trust Score of CY Engineering Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

CY Engineering Sàrl scores 65.0 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.73.124%
  • 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.35.310%
  • 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.78.08%
CY Engineering Sàrl scores 61.5 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.50.012%
  • 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%
CY Engineering Sàrl 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%
CY Engineering Sàrl scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CY Engineering Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin de Riantbosson 19
1217 Meyrin
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-141.458.822
Founded
2023 · 3 years
Last commercial register change
November 13, 2025
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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