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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionChiassoFABB SA
FABB SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

FABB SA is a general contractor providing design, coordination and execution of building projects through to turnkey delivery. The company specialises in ecological prefabricated timber houses (bioedilizia) and offers services such as feasibility studies, architectural design, site management, installation of prefabricated elements, masonry and concrete works, and interior and exterior finishes, and acts as the official Swiss partner of KAMPA.

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Products & services

Industry:Building ConstructionGeneral Contractors
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FABB SA

✓ Offered8
Turnkey general contracting
Design, coordination, execution, and construction management up to completion and final handover; comprehensive management of construction phases with monitoring of schedules and costs.
Eco-construction buildings
Design and construction of ecological buildings with prefabricated timber frame, natural materials and eco-friendly solutions, thermally insulated walls, and renewable energy installations.
Prefabricated wooden houses
Construction of prefabricated houses with custom timber structures, produced in the factory and assembled on site in a few weeks.
Renovations and rehabilitation
Renovation, maintenance, and upgrading of existing structures and buildings, with interventions to improve living comfort and energy efficiency.
Architectural design
Feasibility study, technical office, and architectural design to develop tailor-made solutions for residential, office, and industrial spaces.
Construction management
Construction management and site supervision across the different execution phases, from design through to completion of the project.
Structural and site construction works
Excavation, backfilling, and transport; demolition; traditional reinforced concrete formwork for exposed concrete; laying and assembly of prefabricated elements; masonry works.
Interior and exterior finishes
Exterior painting, plastering and interior painting, screeds and flooring to complete buildings and real-estate units.
Trust & reputation

ranQ Trust Score of FABB SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

FABB SA scores 61.9 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.63.324%
  • 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.45.610%
  • 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.78.08%
FABB 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%
FABB 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%
FABB SA scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

FABB SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 5 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
4.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Corso San Gottardo 54
6830 Chiasso
Opening hours
Mon
09:00 - 12:30, 14:00 - 17:30
Tue
09:00 - 12:30, 14:00 - 17:30
Wed
09:00 - 12:30, 14:00 - 17:30
Thu
09:00 - 12:30, 14:00 - 17:30
Fri
09:00 - 12:30, 14:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.726.254
Founded
2004 · 22 years
Last commercial register change
June 20, 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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