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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeSirnachRBM Ruppanner Baumanagement GmbH
RBM Ruppanner Baumanagement GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of rbm Ruppanner Baumanagement GmbH is construction management, particularly the planning, monitoring and coordination of construction projects, including construction management, fire protection and the execution of projects in the field of high-rise construction.

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Products & services

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3.9/5

RBM Ruppanner Baumanagement GmbH

8
Client advisory / representation
Client advisory and representation for small and large construction projects, with support during implementation and dedicated points of contact.
Construction management / overall management / site management
Construction management, overall management and site management for construction projects, including coordination and professional project leadership.
Buyer support
Buyer support as part of construction projects, providing accompaniment and assistance for purchasers during project execution.
Cost estimation
Cost estimation for construction projects, for assessing and monitoring project costs.
Tenders / quantities
Tenders and quantities for construction projects, as a basis for awarding contracts and quantity take-off.
Handover and defect rectification
Handover inspections and support for defect rectification during the construction process, including review and follow-up of workmanship defects.
Building assessments
Building assessments for the technical evaluation of buildings and their condition.
Fire protection QSS1 + QSS2
Fire protection services for QSS1 and QSS2, including expert support for fire safety topics in construction projects.
Trust & reputation

ranQ Trust Score of RBM Ruppanner Baumanagement GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 100% · As of October 2026

RBM Ruppanner Baumanagement GmbH scores 59.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.73.124%
  • 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.35.310%
  • 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.50.08%
RBM Ruppanner Baumanagement GmbH scores 86.7 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.70.07%
RBM Ruppanner Baumanagement GmbH 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%
RBM Ruppanner Baumanagement GmbH scores 12.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

RBM Ruppanner Baumanagement GmbH 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 3 customer reviews. 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

March 5, 2026Media
Thomas Ruppanner im Chef-Interview
wiler-nachrichten.ch

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Location

Schwalbenweg 28a
8370 Sirnach

At a glance

Legal form
Limited Liability Company
UID
CHE-113.980.266
Founded
2007 · 19 years
Last commercial register change
January 30, 2020
Employees
11 to 20
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.88.06%
  • 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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