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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementWinterthurkonstruo ag
konstruo ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of konstruo ag is the provision of construction services, in particular construction management, for private and public clients.

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Offering

Products & services

Industry:Construction & Project Management
✓ Offered5
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konstruo ag

Construction management
Construction management for private and public building projects, from residential buildings to schools and care facilities, to commercial properties, including conversions and changes of use.
Conversions
Conversions of private houses, attic storeys, attic apartments and EFH, as well as conversions of office buildings and teaching staff areas.
New residential construction
New construction of residential houses and apartment buildings, including EFH and MFH in Winterthur, Zürich, Thalwil, Brütten, Thayngen and other locations.
New construction and renovation of school and care buildings
New construction and renovation of school buildings, institutes, kindergartens, provisional school facilities, and homes for people with disabilities.
Construction management for commercial buildings
Construction management for commercial buildings, work depots, hotel buildings, conversions of industrial buildings, and upward extensions.
Trust & reputation

ranQ Trust Score of konstruo ag: 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.

konstruo ag 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.
x
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%
konstruo ag scores 82.3 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.92.512%
  • 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%
konstruo ag scores 83.3 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).83.322%
konstruo ag scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

konstruo ag 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.

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Location

Ackeretstrasse 6
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-289.869.213
Founded
2014 · 12 years
Last commercial register change
February 8, 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.
100.0
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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