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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeRieden AgRoger Zeier Bauökonomie AG
Roger Zeier Bauökonomie AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Roger Zeier Bauökonomie AG is the provision of construction economics services, in particular cost planning, control and management for construction projects, as well as owner consulting.

AI-generated
Offering

Products & services

Industry:Owner's Representative
✓ Offered2
Construction economics
Strategic planning, preliminary studies, project development, life-cycle costs, tendering and implementation; cost planning, cost estimation, cost optimisation, BIM-based cost estimation, submission procedures and final accounting.
Client advisory
Client representation, expert work in the competition procedure, comparative cost estimation, second opinion, project handbook, reporting, project accounting, change management and controlling of costs, schedules and quality.
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4.0/5

Roger Zeier Bauökonomie AG

Trust & reputation

ranQ Trust Score of Roger Zeier Bauökonomie AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Roger Zeier Bauökonomie 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%
Roger Zeier Bauökonomie AG scores 72.8 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.70.212%
  • 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%
Roger Zeier Bauökonomie 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%
Roger Zeier Bauökonomie AG scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roger Zeier Bauökonomie AG reaches a ranQ Trust Score of 4.0 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

Landstrasse 1
5415 Rieden Ag

At a glance

Legal form
Corporation
UID
CHE-480.153.345
Founded
2020 · 6 years
Last commercial register change
September 17, 2026
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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