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

About the company

Rampini & Cie SA is a construction company specialising in building, civil engineering and renovation projects. Its services include structural work, demolition, earthworks and special foundations, watercourse and lakeshore works, sewer and buried-utility networks, roads and infrastructure, and external landscaping. The company operates an integrated management system (Ramp'QSE) certified to ISO 9001, ISO 45001 and ISO 14001.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered9
Buildings
Construction of industrial buildings, residential apartment buildings, craft and commercial buildings, municipal and medical buildings, schools and water reservoirs.
Renovation and conversion
Renovation of façades, extensions, major transformations and attic conversions of buildings, with interventions on administrative, school and residential buildings.
Demolition, earthworks and special works
Demolition, full-mass excavation and underpinning, special works, piles, diaphragm walls, sheet piling and Berliner walls.
Transport infrastructure
Road and rail projects, anti-noise systems, bridges and footbridges, covered trenches, underground galleries and retaining walls.
Underground pipe networks
EU/EC collectors, installation of industrial pipelines, PE welding and rehabilitation of collectors for underground networks.
Exterior landscaping
Landscaping, redevelopment of public spaces, school courtyards, parks, planting, landscape swales and green roofs.
Lakes and rivers
Dredging, riprap, protective dikes, jetties, river walls, raft platforms for terns and revitalisation of the riverbanks.
Floor coverings
Bituminous and resin coatings, paving and paving slabs for outdoor developments and construction works.
Emergency breakdown service 24/24
Breakdown response and emergency interventions 24 hours a day for situations requiring a rapid response on construction sites or structures.
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4.6/5

Rampini & Cie SA

Trust & reputation

ranQ Trust Score of Rampini & Cie SA: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Rampini & Cie SA scores 88.0 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.86.324%
  • 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.100.010%
  • 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%
Rampini & Cie SA scores 92.5 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.70.07%
Rampini & Cie 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%
Rampini & Cie SA scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rampini & Cie SA reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 58 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
4.8
of 5

Aggregated from 58 reviews across all connected sources

Sources
GGoogle4.858
★TrustpilotSoon
PProvenExpertSoon

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

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Location

route du Nant d'Avril 59
1214 Vernier
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.818.043
Founded
1985 · 41 years
Last commercial register change
September 28, 2026
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.100.03%
    • Full methodology

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