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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsBaselG+T ImmoBau GmbH
G+T ImmoBau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of G+T ImmoBau GmbH is the implementation of energy-related renovations as well as the provision of services for companies and private clients in the field of real estate construction.

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Products & services

Industry:General Contractors
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G+T ImmoBau GmbH

✓ Offered12
General contractor
Construction projects from a single source, from consulting and planning through project management and building execution to turnkey handover.
Energy renovation
Energy consulting and condition assessment, renovation concepts, implementation, grants advisory, as well as quality control and follow-up support for buildings.
Conversion and renovation work
Conversions of office premises, modernization of rental properties, and comprehensive renovation work for companies and public administrations.
Masonry and civil works
Masonry and civil works for construction projects, using the required technologies and skilled craftsmanship.
Facade insulation
Facade insulation to improve thermal protection and the energy efficiency of buildings.
Masonry, tiling and stonework
Masonry work, tile setting and stone tiling for solid and aesthetically finished construction.
Parquet and flooring
Parquet and flooring for residential rooms and commercial areas.
Painting and plastering work
Painting and plastering work for walls, ceilings, façades, and clean surfaces.
Scaffolding
Scaffolding as the basis for construction and renovation projects, with tailor-made solutions.
Moving and logistics
Planning and carrying out moves, internal office relocations, and transporting goods to a new site.
Special waste disposal
Proper disposal of hazardous waste, electronic waste, and other special materials.
Painting and varnishing work
Painting walls, ceilings, and façades for public administrations and businesses.
Trust & reputation

ranQ Trust Score of G+T ImmoBau 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

G+T ImmoBau 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%
G+T ImmoBau GmbH scores 61.5 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.50.012%
  • 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%
G+T ImmoBau 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%
G+T ImmoBau 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.

Knowledge

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Comparisons

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Location

Steinenbachgässlein 25
4051 Basel
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-244.461.778
Founded
2023 · 3 years
Last commercial register change
August 10, 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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