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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionGenevaG.B. Groupement du Bâtiment SA
G.B. Groupement du Bâtiment SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Groupement du Bâtiment SA is the planning and execution of construction projects, including new buildings, renovations and conversions of residential and commercial properties, as well as the provision of related services such as project management, construction supervision and quality assurance.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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4.0/5

G.B. Groupement du Bâtiment SA

Interior Construction
Flooring & Tiling
Masonry Work
Painting & Plastering
Real Estate Project Development
✓ Offered7
Total contracting
Complete project management for construction and renovation projects, from study to delivery, with coordination of the trades and management of costs, timelines and quality.
Architecture
Architectural design and technical development of projects, feasibility studies, permit documentation, submission for public review, execution plans and architectural coordination.
Building expertise
Technical diagnostics and specific expert assessments, in particular asbestos and HAP depending on the case, fire protection, regulatory compliance and analysis of building constraints.
Construction management
Overall site management, planning and coordination of the trades, site monitoring, quality control, management of costs and timelines, and handover/acceptance of the works.
Structural works
General masonry works for new builds and renovations, including excavation, foundations, load-bearing structure, reinforced concrete, slabs and infrastructure.
Interior fit-out
Fit-out and finishing works with partition walls, plastering, false ceilings, interior joinery, bespoke fittings, floor, wall and paint finishes.
Transformation
Demolition, conversion and rearrangement works for spaces, with adaptation of existing structures and preparation of the areas to be modified.
Trust & reputation

ranQ Trust Score of G.B. Groupement du Bâtiment SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

G.B. Groupement du Bâtiment SA scores 59.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.73.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.35.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.50.08%
G.B. Groupement du Bâtiment SA scores 85.5 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.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%
G.B. Groupement du Bâtiment SA 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.B. Groupement du Bâtiment SA 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%
Qualifications+0.00

G.B. Groupement du Bâtiment SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Avenue d'Aïre 73 D
1203 Geneva
Opening hours
Mon
08:30 - 18:00
Tue
08:30 - 18:00
Wed
08:30 - 18:00
Thu
08:30 - 18:00
Fri
08:30 - 18:00
Sat
08:30 - 18:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-476.967.876
Founded
2011 · 15 years
Last commercial register change
June 21, 2021
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.100.06%
  • 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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