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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsLandquartRalbau AG Generalunternehmung
Ralbau AG Generalunternehmung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ralbau AG is the planning, execution and supervision of construction projects, particularly in the field of high-rise construction. This includes construction management, overall execution of construction projects, consulting and project management. The company offers its customers comprehensive support from planning to completion of construction projects, with a focus on quality, punctuality and cost optimization.

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Products & services

Industry:General ContractorsOwner's Representative
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4.1/5

Ralbau AG Generalunternehmung

✓ Offered4
Overall service
Overall service as a general contractor or total contractor model for demanding building projects; including planning, project development, detailed design, construction execution, coordination of all trades and project management up to handover of keys.
Site supervision
Site supervision for construction projects including schedule planning and monitoring, budget compliance, coordination of interfaces, quality assurance, risk minimisation and project documentation.
Consulting
Consulting for construction projects with technical, organisational and social competence; strategic support, assessment of opportunities and risks, development of solutions, consulting for renovations, planning of conversions and optimisation of use.
Ralbau alpha QM
Quality management for construction projects with early filtering of opportunities and risks, a transparent process database, ISO 9001 requirements and an SQS certificate.
Trust & reputation

ranQ Trust Score of Ralbau AG Generalunternehmung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Ralbau AG Generalunternehmung scores 53.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.70.824%
  • 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.27.910%
  • 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.35.08%
Ralbau AG Generalunternehmung scores 92.3 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.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%
Ralbau AG Generalunternehmung 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%
Ralbau AG Generalunternehmung scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ralbau AG Generalunternehmung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Freihofstrasse 7
7302 Landquart
Opening hours
Mon
07:30 - 12:00, 13:30 - 18:00
Tue
07:30 - 12:00, 13:30 - 18:00
Wed
07:30 - 12:00, 13:30 - 18:00
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:30 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-496.556.878
Founded
2011 · 15 years
Last commercial register change
September 11, 2026
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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