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

About the company

co-struct AG is a structural engineering office that develops structural systems and solutions for complex architectural projects, with an emphasis on early-phase design, close collaboration with project partners, and material- and sustainability-conscious decision making.

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Products & services

Industry:Civil Engineering Firms
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3.9/5

co-struct AG

Structural engineering design
Structural engineering design for complex projects with high architectural requirements, from the initial phases; development of innovative structural solutions in close collaboration with clients and partners.
Building construction
Structural engineering design for building construction projects, focusing on structural solutions, static concepts and collaboration on architecturally demanding buildings.
Bridge construction
Structural engineering design for bridges, including cable-stayed bridges, pedestrian bridges and other bridge structures with complex structural requirements.
Special structures
Structural engineering design for special structures, including slender, curved or particularly demanding load-bearing structures and constructions with specific material and shape requirements.
Renovation and building on existing structures
Structural engineering design for conversions and interventions in existing building fabric, with solutions for continued construction, strengthening and adapting existing structures.
Digital innovation
Digital methods in structural engineering design, with a focus on parametric design, digital tools and digital manufacturing in construction.
Sustainable construction
Structural engineering design with a focus on sustainability, material-appropriate constructions, resource efficiency and cost-effective solutions in line with environmental objectives.
Trust & reputation

ranQ Trust Score of co-struct AG: 3.9 out of 5.0

Trust Score3.9/ 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 65.7 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.50.012%
  • 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%
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 3.9 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.

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Secure profile

Location

Weberstrasse 12
8004 Zurich

At a glance

Legal form
Corporation
UID
CHE-340.667.436
Founded
2023 · 3 years
Last commercial register change
November 25, 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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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