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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringDomat/EmsRosamilia Bau GmbH
Rosamilia Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Rosamilia Bau GmbH is gardening, including the design and restructuring of gardens, as well as the execution of masonry work, core drilling and other environmental and garden-related work.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered9
Landscaping
Landscaping, garden design and restructuring of existing gardens; planning and sketches, implementation of private gardens and natural and composite stone paving.
Road construction
Road construction for property driveways and road entrances; execution with base course, wearing course, asphalt or paving, as well as safe drainage.
Surfacing works
Surfacing works for paths and driveways, including asphalt and paving solutions as part of external works and road works.
External works
External works around the house and garden, from design to completion, including maintenance work and adjustments to existing systems.
Excavation work
Excavation work in connection with garden, external works and civil engineering projects.
Core drilling
Core drilling as a supplementary construction service for house, garden and external works.
Customer masonry work
Customer masonry work for smaller masonry jobs as part of house, garden and external works.
Maintenance work
Maintenance work for house and garden, carried out cleanly and on schedule.
Machine rental
Rental of machines for garden and external works; further details are provided by telephone.
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4.0/5

Rosamilia Bau GmbH

Trust & reputation

ranQ Trust Score of Rosamilia Bau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Rosamilia Bau GmbH scores 60.5 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.72.124%
  • 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.40.910%
  • 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.50.08%
Rosamilia Bau GmbH scores 82.0 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.97.712%
  • 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%
Rosamilia Bau GmbH 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%
Rosamilia Bau GmbH scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rosamilia Bau GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hofstättli 16
7013 Domat/Ems
Opening hours
Mon
07:00 - 12:00, 13:00 - 18:00
Tue
07:00 - 12:00, 13:00 - 18:00
Wed
07:00 - 12:00, 13:00 - 18:00
Thu
07:00 - 12:00, 13:00 - 18:00
Fri
07:00 - 12:00, 13:00 - 18:00
Sat
07:00 - 12:00, 13:00 - 18:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-446.188.264
Founded
2012 · 14 years
Last commercial register change
February 12, 2020
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.
88.0
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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