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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLuganoMarcionelli & Winkler + Partners SA
Marcionelli & Winkler + Partners SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Marcionelli & Winkler + Partners SA is an engineering firm specializing in the planning, execution, and supervision of projects in the field of engineering sciences. The company's core activities include: planning and execution of construction projects, including building construction, civil engineering, bridge construction, and road construction; environmental technology, including water management, noise protection, and nature conservation; infrastructure planning, including road, rail, and water construction; consulting and expert services for builders and investors; and monitoring and maintenance of buildings and infrastructure. The company thus offers a wide range of services in the field of engineering sciences and is able to accompany complex projects from planning to realization.

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Products & services

Industry:Civil Engineering Firms
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Marcionelli & Winkler + Partners SA

Construction & Project Management
✓ Offered6
Civil engineering
Civil engineering services for building and civil engineering, with design, construction management, support to the client, technical assessments, and execution of works and installations.
Load-bearing structures
Design and consulting for buildings, bridge construction, retaining and excavation support works, inspection of structures, and structural rehabilitation.
Infrastructure
Design of road and rail constructions, sewer networks and treatment facilities, water supply systems, and industrial and process pipelines.
Environment
River hydraulics, hydrogeological modelling, acoustic protection, traffic calming measures, and analysis of natural hazards.
Client advisory
Technical and legal assessments, support to the client, and the role of verification engineer for building and civil engineering projects.
Integrated BIM design
Three-dimensional modelling, IFC model exchange, clash detection, multidisciplinary coordination, document extraction and quantity take-off.
Trust & reputation

ranQ Trust Score of Marcionelli & Winkler + Partners 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.

Marcionelli & Winkler + Partners 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.
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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%
Marcionelli & Winkler + Partners SA scores 92.3 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.82.07%
Marcionelli & Winkler + Partners 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%
Marcionelli & Winkler + Partners SA scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Marcionelli & Winkler + Partners 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.

Knowledge

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Location

Via Emilio Bossi 9
6900 Lugano

At a glance

Legal form
Corporation
UID
CHE-105.702.989
Founded
2000 · 26 years
Last commercial register change
July 29, 2026
Employees
21 to 50
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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