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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRudolfstettensmart Y Energy Solutions GmbH
smart Y Energy Solutions GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of smart YES is consulting and optimizing energy consumption and management in companies, particularly through energy efficiency measures, energy management, project management and coordination. The company offers individual solutions for a sustainable energy future and supports customers in the implementation of energy optimization projects.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
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3.7/5

smart Y Energy Solutions GmbH

Construction & Project Management
Sustainability Sector
✓ Offered4
Energy optimisation
Energy and operations optimisation for building services systems and processes; energy analyses, condition analyses, operations optimisation and cost-benefit considerations for heating, ventilation, air-conditioning, refrigeration, sanitary, electrical and building automation.
Energy management
Energy management for companies; make energy flows visible, develop metering and measurement concepts, collect electricity, heat, water and process media, and lay the groundwork for operations optimisation.
Energy efficiency and sustainability consulting
Energy consulting and sustainability consulting for residential, office, commercial and industrial buildings; expertise on efficiency, renewable energies, decarbonisation, tendering, training and specialist lectures.
Project management for energy projects
Project leadership for energy projects; review and assess energy concepts, evaluate energy efficiency, lead projects, coordinate trades and support technical interfaces.
Trust & reputation

ranQ Trust Score of smart Y Energy Solutions GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

smart Y Energy Solutions GmbH scores 53.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.35.08%
smart Y Energy Solutions GmbH scores 70.2 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.70.212%
  • 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%
smart Y Energy Solutions GmbH scores 85.0 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).85.022%
smart Y Energy Solutions GmbH scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

smart Y Energy Solutions GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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.

Knowledge

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Location

Buechholzstrasse 30
8964 Rudolfstetten
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-247.331.391
Founded
2020 · 6 years
Last commercial register change
December 21, 2020
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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