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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate Project DevelopmentBremgarten AgRumi Generalbau AG
Rumi Generalbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Rumi Generalbau AG is the development, construction and sale of real estate, particularly in the Bremgarten, Wohlen and Mutschellen regions. This includes the planning and execution of new and renovation projects of all kinds, as well as the management of rental properties and condominiums through its sister company Steiner-Rumi Immobilien Management AG.

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Offering

Products & services

Industry:Real Estate Project Development
✓ Offered4
Real estate project development
Acquires, builds and sells properties; planning and execution of new-build and conversion projects of all kinds, especially in the Bremgarten, Wohlen and Mutschellen area.
Housing developments and multi-family houses
Planning and implementation of multi-family houses, residential developments and rental apartments with underground parking, penthouse flats, garden apartments and various apartment sizes.
Residential and commercial buildings
Construction of residential and commercial properties with retail, office and residential spaces, partly with rental apartments, loggias, terraces and parking spaces.
Renovation and conversion of existing properties
Complete renovations and conversions of existing buildings, for example converting factory and industrial buildings into modernly fitted apartments.
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4.1/5

Rumi Generalbau AG

Trust & reputation

ranQ Trust Score of Rumi Generalbau 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.

Rumi Generalbau 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%
Rumi Generalbau AG scores 85.5 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.55.07%
Rumi Generalbau AG scores 86.7 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).86.722%
Rumi Generalbau AG scores 32.2 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Rumi Generalbau 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

April 20, 2017Media
Die Zürcherstrasse verändert sich weiter
aargauerzeitung.ch

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Location

Zürcherstrasse 6
5620 Bremgarten Ag

At a glance

Legal form
Corporation
UID
CHE-103.926.992
Founded
1977 · 49 years
Last commercial register change
September 24, 2024
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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