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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionStaufenDoninelli Bau AG
Doninelli Bau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Doninelli Bau AG was a construction company within the Doninelli group. According to the website, its operational activities were discontinued in 2015; the website now mainly presents the Doninelli GU AG and P. Doninelli AG with construction and real estate services.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered3
Residential properties
Residential properties for rent and purchase, with rental and purchase offers on the website.
Commercial properties
Commercial properties for rent and purchase, supplementing the property offering on the website.
Parking spaces / underground garage spaces
Parking spaces and underground garage spaces for rent and purchase, as part of the property offering.
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4.1/5

Doninelli Bau AG

Trust & reputation

ranQ Trust Score of Doninelli Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Doninelli Bau 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.
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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%
Doninelli Bau AG scores 92.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Doninelli Bau AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Doninelli Bau AG scores 13.3 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 35.6.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Doninelli Bau 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 58%, 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.

Press

Media

January 25, 2024Media
«Da müssen die Details sauber gelöst sein»: So steht es um die Wohnüberbauung am Rennweg
aargauerzeitung.ch
August 20, 2014Media
Das Familienunternehmen Doninelli gibt die Bautätigkeit auf
aargauerzeitung.ch

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Location

Rennweg 1
5603 Staufen

At a glance

Legal form
Corporation
UID
CHE-111.711.330
Founded
2004 · 22 years
Last commercial register change
October 6, 2025
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.
100.0
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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