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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringChurHamza Sun Solution GmbH
Hamza Sun Solution GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Hamza Sun Solution GmbH provides services for solar installations and photovoltaic systems. The company covers planning, consulting, installation, maintenance, monitoring, remote supervision, PV cleaning, and fault repair.

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Products & services

Industry:Technical Consulting & Engineering
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Hamza Sun Solution GmbH

Building Maintenance
Solar & Photovoltaics
✓ Offered6
Photovoltaic and Solar Solutions
Photovoltaic systems, solar installations and tailored energy solutions for homes and commercial properties, including planning, installation, commissioning and optimisation of existing systems.
Maintenance, Service and Troubleshooting
Regular maintenance, technical inspection and troubleshooting for existing solar systems to maintain performance, operational safety and reliability.
Monitoring and Remote Monitoring
Monitoring and remote supervision of solar systems for early fault detection, performance control and prevention of outages.
Technical Planning and Client Representation
Technical planning for solar systems and energy solutions, plus project support and client representation from concept through implementation.
PV Cleaning
Gentle cleaning of solar modules to remove dirt and deposits, improve output and support operational reliability.
Consulting and Implementation
Consulting on optimisation of existing solar systems and selection of new photovoltaic systems, plus professional implementation and installation.
Trust & reputation

ranQ Trust Score of Hamza Sun Solution GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of October 2026

Hamza Sun Solution GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Hamza Sun Solution GmbH scores 50.8 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.25.012%
  • 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%
Hamza Sun Solution GmbH scores 83.3 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).83.322%
Hamza Sun Solution GmbH has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Hier entsteht die Karte
Felsenaustrasse 25
7000 Chur

At a glance

Legal form
Limited Liability Company
UID
CHE-170.239.386
Founded
2025 · 1 year
Last commercial register change
October 7, 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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