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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceZurichA-1 Gebäudeservice GmbH
A-1 Gebäudeservice GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

A-1 Gebäudeservice GmbH provides electrical installations, property caretaking and cleaning services, and garden maintenance. Services include high- and low-voltage electrical work, LED lighting and IT/network installations, regular property inspections, maintenance and various cleaning assignments.

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Products & services

Industry:Building MaintenanceElectrical Planning & Installation
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A-1 Gebäudeservice GmbH

Facility Management & Cleaning
✓ Offered4
Electrical installations
Power and low-voltage installations for residential and commercial properties, including new builds and renovations, LED lighting, IT and network installations, as well as maintenance and repair.
Property caretaking
Regular inspections of properties, maintenance, minor repairs, as well as technical support and care of properties and outdoor areas.
Cleaning services
Basic and maintenance cleaning, end-of-construction cleaning, and special assignments for private clients, property managements, and commercial businesses.
Garden care
Seasonal care, lawn mowing, hedge service, and maintenance of outdoor areas as part of property caretaking.
Trust & reputation

ranQ Trust Score of A-1 Gebäudeservice 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, Media authority

Data basis 54% · As of October 2026

A-1 Gebäudeservice 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%
A-1 Gebäudeservice GmbH scores 57.1 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.39.612%
  • 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%
A-1 Gebäudeservice 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%
A-1 Gebäudeservice GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Frauentalweg 4
8045 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-252.910.991
Founded
2024 · 2 years
Last commercial register change
June 2, 2026
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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