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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsStäfaPG Solar GmbH
PG Solar GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

PG Solar GmbH provides consultancy and project management for residential photovoltaic installations, battery storage and EV charging. The company supports customers in adopting solar energy.

AI-generated
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Service area

Offering

Products & services

Industry:Photovoltaics
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3.7/5

PG Solar GmbH

✓ Offered7
Photovoltaic solutions
Photovoltaic solutions for residential and commercial properties, including solar roof systems, solar carports, pergola, terrace and fencing installations, as well as grants and financing consulting.
Solar roof systems
Solar roof systems for various roof types, as on-roof, integrated and flat-roof systems for single-family homes and other buildings.
Battery storage
Battery storage for storing solar power for later use, with lithium-ion systems, modular storage units, wall and floor-mounted devices, and monitoring.
Wallboxes and EV charging stations
Charging stations for electric vehicles for residential and commercial use, as part of solar solutions and for using locally generated power.
Project planning and project management for photovoltaic systems
Site analysis, roof analysis, solution proposals, cost estimates, approvals, coordination of grants and implementation through to completion of the project.
Grants and financing consulting
Consulting on grants, subsidies and financing for solar systems and storage solutions, including support with cantonal and federal contributions.
Solar calculator
Solar calculator with individual calculations, economic and environmental assessment, and a transparent ROI analysis of the solar potential.
Trust & reputation

ranQ Trust Score of PG Solar GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of November 2026

PG Solar GmbH scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
PG Solar GmbH scores 67.8 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.64.612%
  • 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%
PG Solar GmbH 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%
PG Solar GmbH scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PG Solar 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 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Binzstrasse 40
8712 Stäfa
Opening hours
Mon
08:30 - 18:30
Tue
08:30 - 18:30
Wed
08:30 - 18:30
Thu
08:30 - 18:30
Fri
08:30 - 18:30
Sat
08:30 - 18:30
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-421.163.816
Founded
2021 · 5 years
Last commercial register change
October 27, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHStäfa
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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