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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceGrattavacheF. Bossel et Fils SA
F. Bossel et Fils SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of F. Bossel & Fils SA is the execution of construction and engineering services, particularly in the following areas: earthworks, reinforced concrete, civil engineering, demolition, renovation, revitalization of watercourses, asphalt paving, rock construction, and material recycling. The company thus offers a wide range of services in the fields of construction and engineering.

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Products & services

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F. Bossel et Fils SA

Masonry Work
✓ Offered9
Earthworks
Earthworks for villas, buildings and industrial projects; excavation of large volumes, supply and removal of materials, transport of machines on site.
Reinforced concrete
Reinforced concrete and masonry work for villas, buildings, public buildings, industrial or hydraulic structures; formwork, lifting equipment, mobile concrete batching plant.
Civil engineering
Construction and sanitation of collectors for clean water and wastewater; works for drinking water, electricity, gas, telephone and telecom networks in private or public contracts.
Demolition
Demolition of all types in civil engineering or building; fragmentation with specific attachments, crushing of demolition materials for recovery and reuse.
Renovation
Renovation and transformation works, from minor repairs to major conversions; underpinning, extensions, storey additions, remediation works.
Bituminous surfacing
Road works and bituminous surfacing for squares, lanes, pavements, roads and car parks; installation using a paver, rollers and compaction equipment.
Rockfill
Rockfill walls and retaining walls for outdoor developments or civil engineering structures; stone walls, rockfill blocks, gabions, reinforced earth walls.
Revitalisation of watercourses
Works on watercourses: flood-protection embankments, rockfill revetments, rebuilding of riverbanks, caissons, sills, retention combs, widening and daylighting.
Recycling of materials
Recovery, sorting, crushing and screening of mineral construction site materials; production of recycled base course for the company’s own sites and management of residues.
Trust & reputation

ranQ Trust Score of F. Bossel et Fils SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

F. Bossel et Fils SA 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%
F. Bossel et Fils SA scores 86.1 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.92.512%
  • 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.70.07%
F. Bossel et Fils 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%
F. Bossel et Fils SA scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

F. Bossel et Fils SA 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

Chemin de la Cretta 21
1624 Grattavache
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-493.436.918
Founded
2014 · 12 years
Last commercial register change
September 17, 2014
Employees
11 to 20
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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