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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInsulationBaarRossi Aregger AG Baar
Rossi Aregger AG Baar Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rossi Aregger AG Baar carries out plastering and drywall work for new-build and renovation projects. Its services include interior plastering, fire protection, façade and ceiling construction, as well as consulting, tender documentation and cost estimates.

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Service area

Offering

Products & services

Industry:InsulationPlasterer
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4.3/5

Rossi Aregger AG Baar

✓ Offered7
Plastering work
Interior plastering work, drywall construction, fire protection claddings, facades, ceiling construction, as well as estimating and tendering for new-build and renovation projects.
Drywall construction
Drywall partitions, ceilings and special solutions for residential, commercial and public building projects; planning, installation, documentation and compliance with technical requirements.
Interior plastering work
Preparation, application and finishing of plaster and special renders for new-builds and renovations; including standard systems, natural plastering and seamless wet-room coatings.
Facades
Facade solutions and renovations with external insulation, internal insulation and multi-layer panels; planning, implementation and monitoring of building-physical and energy-related requirements.
Ceiling construction
Ceiling linings, acoustic ceilings and fire protection ceilings for various building types; planning, installation, documentation and compliance with all standards.
Fire protection claddings
Fire protection solutions with fire-resistant fire stops, planning and documentation for new and existing buildings, and compliance with legal regulations.
Estimating and tendering
Tendering for plastering work, detailed scopes of work, analysis of bids and support for transparent, cost-effective construction planning.
Trust & reputation

ranQ Trust Score of Rossi Aregger AG Baar: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Rossi Aregger AG Baar scores 70.8 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.72.524%
  • 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.61.010%
  • 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.78.08%
Rossi Aregger AG Baar 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%
Rossi Aregger AG Baar scores 86.7 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).86.722%
Rossi Aregger AG Baar scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rossi Aregger AG Baar reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 10 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Oberneuhofstrasse 6
6340 Baar
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 12:30 - 17:30
Wed
07:30 - 12:00, 12:30 - 17:30
Thu
07:30 - 12:00, 12:30 - 17:30
Fri
07:30 - 12:00, 12:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.950.358
Founded
1966 · 60 years
Last commercial register change
September 10, 2026
Employees
21 to 50

Active in 1 of 26 cantons

  • ZGZug
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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