ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWisen SoSmart Sanieren GmbH
Smart Sanieren GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Smart Sanieren GmbH provides independent energy consulting for homeowners, carrying out EnergieCheck assessments and GEAK Plus reports to evaluate heating systems and renovation options. Services include technical system planning, assistance with permits and funding applications, and project coordination during implementation.

AI-generated
Offering

Products & services

Industry:Technical Consulting & EngineeringSustainability Sector
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.0/5

Smart Sanieren GmbH

✓ Offered6
Energy Check
Initial energy site assessment of the building and building services, including an evaluation of the heating system, domestic hot water, electrical appliances, weak points and a rough estimate of the savings potential.
GEAK Plus
Detailed advisory report for energy renovation, including comparison of renovation options, building assessment, cost-benefit analysis, subsidies, payback periods and the official GEAK certificate.
Renovation support
Individual planning and professional support for renovation and heating replacement, including site assessment, comparison of options, permits, subsidies, quotation comparison, construction coordination, monitoring and acceptance.
Energy Hotline
Telephone first consultation for heating replacement and energy modernization, with callback on request, free of charge and without obligation.
Your renovation coach
Personal support for energy renovations with expert assistance from a specialized point of contact, from assessing the starting situation to implementation.
Energy and environmental education
Educational materials on sustainability, building services and ecological relationships, with modular learning resources, infographics, visualizations and hands-on exercises.
Trust & reputation

ranQ Trust Score of Smart Sanieren GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Smart Sanieren GmbH scores 71.3 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.79.424%
  • 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.52.910%
  • 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%
Smart Sanieren 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 Sanieren GmbH 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%
Smart Sanieren GmbH scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Smart Sanieren GmbH 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 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Smart Sanieren GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Smart Sanieren GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Smart Sanieren GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Smart Sanieren GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Risberg 60
4634 Wisen So
Opening hours
Mon
08:30 - 19:00
Tue
08:30 - 19:00
Wed
08:30 - 19:00
Thu
08:30 - 19:00
Fri
08:30 - 19:00
Sat
08:30 - 16:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-363.338.788
Founded
2020 · 6 years
Last commercial register change
January 27, 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

    Similar companies

    EL
    Energieservice Lanz
    Zuchwil
    BS
    Bauphysik Schweiz GmbH
    Olten
    SK
    SSP KÄLTEPLANER AG
    Oensingen
    EG
    EnergoBau GmbH
    Solothurn
    JG
    Jaeggi-Enertech GmbH
    Fulenbach
    EE
    EPS Energy Plus Solution GmbH
    Lüterkofen
    ES
    E. Schütz Umwelt- und Managementsysteme GmbH
    Solothurn
    RE
    RSK Environment Switzerland GmbH
    Olten