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
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationThalwilSOLPROOF GmbH
SOLPROOF GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Solproof GmbH is the planning, installation, maintenance and servicing of turnkey solar energy systems for private and business customers.

AI-generated
Offering

Products & services

Industry:Electrical Planning & InstallationSolar & Photovoltaics
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
4.4/5

SOLPROOF GmbH

✓ Offered7
Turnkey Solar / Photovoltaic Systems
Turnkey solar / photovoltaic systems for single-family homes, multi-family buildings and industrial buildings; consultation, design, paperwork, installation, commissioning and individual mounting types.
Cleaning & Maintenance of Solar Systems
Cleaning and maintenance of solar systems including basic cleaning, algae and dirt removal, regular inspections and a health check of the entire system.
Consulting for Solar Energy Systems
Consulting to select the appropriate solar energy system; analysis of energy demand, assessment of site conditions, recommendations for modules and system components.
Planning of Solar Energy Systems
Planning of solar energy systems with individual needs assessment, precise site analysis and detailed installation plans for efficient implementation.
Administrative Handling for Solar Systems
Handling appointments with authorities, permits, documentation, applications and communication with the competent authorities for solar projects.
Installation of Solar Systems
Installation of solar systems including mounting, cabling, system testing and commissioning; for different building types and mounting methods such as on-roof, in-roof (flush-mounted) and façade installation.
Maintenance and Servicing of Solar Energy Systems
Maintenance and servicing with regular inspections, cleaning of the solar modules, checking electrical components and troubleshooting.
Trust & reputation

ranQ Trust Score of SOLPROOF GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

SOLPROOF GmbH scores 94.7 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.90.724%
  • 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.100.010%
  • 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.100.08%
SOLPROOF GmbH scores 72.3 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.75.012%
  • 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%
SOLPROOF 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%
SOLPROOF GmbH scores 10.6 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 35.10.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SOLPROOF GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 59 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
4.9
of 5

Aggregated from 59 reviews across all connected sources

Sources
GGoogle4.959
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

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

Get started
Comparisons

SOLPROOF GmbH in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Seestrasse 63
8800 Thalwil
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-135.647.869
Founded
2019 · 7 years
Last commercial register change
October 9, 2023
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

    GE
    Götz Elektro AG
    Embrach
    GE
    Götz Elektro AG
    Zurich
    GE
    Götz Elektro (Zürich) AG
    Zurich
    RE
    Ruckstuhl Elektrotech AG
    Adliswil
    3E
    3E Elektro AG
    Dübendorf
    KA
    Krebs AG, Uhren/Elektro
    Pfäffikon Zh
    EN
    Elektro Neuhaus AG
    Bassersdorf
    ZE
    Züri Elektro AG
    Zurich