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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryReal EstateReal Estate Project DevelopmentZurichG1 Development AG
G1 Development AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of G1 Development AG is real estate development, particularly in the area of small to medium-sized development projects in the residential and commercial construction sectors. This includes the planning, realization and marketing of real estate projects, as well as construction management and collaboration with partners such as architects, construction companies and investors.

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Offering

Products & services

Industry:Real Estate Project Development
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G1 Development AG

✓ Offered6
Real estate project development
Real estate project development for small to medium-sized residential and commercial property projects, from project planning to marketing.
Developer advisory
Developer advisory for real estate projects, including support during project planning and project-specific coordination with architects, construction companies and investors.
Construction management
Construction management for real estate projects, with efficient processing, coordination of stakeholders and support in implementation.
Construction site supervision
Construction site supervision for real estate projects, including coordination of execution and support for small to medium-sized development projects.
Real estate development
Development of residential and commercial properties, especially small to medium-sized development projects in German-speaking Switzerland with development or repurposing potential.
Real estate acquisition
Acquisition of residential properties, commercial properties, mixed-use forms and building land with development or repurposing potential in German-speaking Switzerland.
Trust & reputation

ranQ Trust Score of G1 Development AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

G1 Development AG 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%
G1 Development AG scores 64.1 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.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%
G1 Development AG 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%
G1 Development AG 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

G1 Development AG reaches a ranQ Trust Score of 3.9 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

Grossmünsterplatz 1
8001 Zurich

At a glance

Legal form
Corporation
UID
CHE-326.747.183
Founded
2023 · 3 years
Last commercial register change
April 10, 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.
100.0
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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