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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesNiederhasliG7 GEGA BAU GmbH
G7 GEGA BAU GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Gegabau encompasses a wide range of services in the field of construction and building management, particularly: drilling, dry drilling, milling, joint milling, cutting, demolition work, and building cleaning. The company offers these services as professional solutions for construction projects, renovation work, and specialized cleaning services.

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Products & services

Industry:Specialized Construction Activities
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G7 GEGA BAU GmbH

✓ Offered7
Milling
Milling work on construction sites, in particular milling asphalt surfaces, milling concrete, milling floors, as well as restoration of pavement surfaces and dry milling for pavement surface restoration.
Drilling
Drilling service for construction and craft projects with precise drilling in various application areas and tailor-made solutions for specific requirements.
Dry drilling
Dry drilling service for precise holes in concrete and masonry, using a water-free method to minimise dust generation and for clean drilling work.
Joint milling
Joint milling work for creating movement joints, restoration of existing flooring, cutting expansion joints, as well as individual patterns and designs in concrete or stone floors.
Demolition
Demolition work for buildings and structures, from small strip-out projects to complex demolition projects, including safe and professional dismantling.
Building cleaning
Office cleaning, regular maintenance cleaning, stairwell cleaning and special cleanings, for example after construction work, events or in special situations.
Tips
Precision tips, custom-made parts, tool tips, as well as consultation and training for applications in metal, wood and other machining processes.
Trust & reputation

ranQ Trust Score of G7 GEGA BAU GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

G7 GEGA BAU 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.
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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%
G7 GEGA BAU GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • 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%
G7 GEGA BAU GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
G7 GEGA BAU GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

G7 GEGA BAU GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Möslistrasse 42
8155 Niederhasli

At a glance

Legal form
Limited Liability Company
UID
CHE-110.279.560
Founded
2003 · 23 years
Last commercial register change
December 7, 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%
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