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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLausanneco-struct AG
co-struct AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

co-struct AG is a structural engineering practice that develops structural systems for complex building projects. The firm designs and proactively optimises structural concepts in close collaboration with clients and project partners, with attention to aesthetic quality, material selection and sustainability.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered5
Structural engineering
Structural engineering for building projects, infrastructure and complex structures, with the development of solutions for projects with high architectural ambitions.
Intervention on the existing
Intervention on the existing for transformations, adaptations and structural projects related to buildings or works already built.
Sustainable construction
Sustainable construction for structural solutions that take into account circularity, reuse and resource efficiency.
Digital innovation
Digital innovation applied to structural engineering, with digital methods and tools for the design and development of projects.
Structural design
Structural design for buildings, infrastructure and complex load-bearing structures, with solutions for architecturally demanding projects.
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3.8/5

co-struct AG

Trust & reputation

ranQ Trust Score of co-struct AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

co-struct AG scores 58.0 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.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.78.08%
co-struct AG scores 54.5 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.39.612%
  • 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%
co-struct AG 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%
co-struct AG scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

co-struct AG 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. 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
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.

Knowledge

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Location

Hier entsteht die Karte
Rue du Petit-Chêne 38
1003 Lausanne

At a glance

Legal form
Branch
UID
CHE-397.603.652
Founded
2024 · 2 years
Last commercial register change
November 17, 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.
76.0
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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