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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLutryGiacomini & Jolliet Ingénieurs SA
Giacomini & Jolliet Ingénieurs SA Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Giacomini & Jolliet Ingénieurs SA is a structural and civil engineering firm providing static and dynamic analysis and design for reinforced concrete, prestressed concrete, timber and steel structures. Services cover feasibility studies, dimensioning and construction planning, asset management (BAMO), technical controls and expert reports for construction disputes.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered7
Structural engineering
Structural engineering for reinforced concrete, prestressed concrete, timber frames and metal framing; static and dynamic studies, new and existing construction.
Art structures
Art structures for retaining walls, footbridges, bridges, viaducts and river works; construction, rehabilitation, strengthening and reconstruction.
Buildings and halls
Refurbishment, vertical extensions and new-build construction of buildings and halls, with structural studies and construction planning.
Civil engineering
Rehabilitation of utility networks, road infrastructure, pavements, collectors, pipelines, sidewalks and public facilities.
Timber construction engineering
Engineering for timber structures, timber frames and associated components, integrated into the bureau’s structural studies.
BAMO
Assistance to the project owner, inventory and management of asset portfolios, organisation of public procurement procedures, competitions and calls for tenders.
Expertise and technical inspection
Findings for evidence to be used later, technical inspection of structures, judicial expert reports, construction disputes and arbitrations.
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3.8/5

Giacomini & Jolliet Ingénieurs SA

Trust & reputation

ranQ Trust Score of Giacomini & Jolliet Ingénieurs SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

Giacomini & Jolliet Ingénieurs SA scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
Giacomini & Jolliet Ingénieurs 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%
Giacomini & Jolliet Ingénieurs SA scores 86.7 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).86.722%
Giacomini & Jolliet Ingénieurs SA scores 17.0 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 35.14.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Giacomini & Jolliet Ingénieurs SA reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 9, 2017Media
Les partisans d’une A9 enterrée font campagne
24heures.ch
December 14, 2015Media
Et si on détournait l'autoroute pour éviter le chantier de l'A9?
24heures.ch

Knowledge

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Comparisons

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Location

Chemin de Burquenet 23
1095 Lutry
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.140.334
Founded
1986 · 40 years
Last commercial register change
November 1, 2023
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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