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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringLucerneRossi Aregger AG
Rossi Aregger AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rossi Aregger AG is a company providing plastering and drywall services. Its offerings include internal plastering, drywall, fire-protection systems, façade and ceiling construction, plus estimates and tendering; the firm provides advisory, costing and execution services for new-build and renovation projects in residential and commercial sectors.

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Products & services

Industry:Painting & Plastering
✓ Offered6
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Rossi Aregger AG

Interior plastering
Interior plastering for new builds and renovations, including preparation, application and finishing of plaster and special renders, as well as special surface finishing.
Drywall construction
Drywall construction including planning and installation of drywall walls, ceilings and special solutions for private, commercial and public construction projects.
Facades
Facade solutions with planning, execution and renovation of external insulation, internal insulation and multi-layer boards while meeting building-physics and energy requirements.
Fire-protection linings
Fire-protection linings with planning of fire protection solutions, installation of fire-resistant firestops and documentation for new and existing buildings.
Ceiling construction
Ceiling construction with planning and installation of ceiling linings, acoustic ceilings and fire-protection ceilings, as well as other ceiling systems such as cooling ceilings and metal ceilings.
Cost estimates and tenders
Cost estimates and tender documents for plastering work, with detailed specifications, analysis of bids and support for construction planning.
Trust & reputation

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

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Rossi Aregger AG 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 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 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%
Rossi Aregger AG scores 28.6 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 35.28.64%
  • 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 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 October 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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Comparisons

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Location

Cécile-Lauber-Gasse 1
6005 Lucerne
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-107.240.936
Founded
1962 · 64 years
Last commercial register change
August 25, 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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