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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateReal Estate Project DevelopmentGiswilSlanzi Immobilien AG
Slanzi Immobilien AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Slanzi Immobilien AG provides painting and plastering services and related building-trade work. Services include interior and exterior painting, wood protection, decorative finishes, seamless wall and floor coatings, lacquering, scaffolding, insulation and conservation/restoration work, with advice on color concepts and interior design.

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Offering

Products & services

Industry:Real Estate Project Development
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4.4/5

Slanzi Immobilien AG

✓ Offered7
Painting work
Painting work, wood protection, room design, colour concepts, façade finishes, support with mould, algae and moss infestations, and work in listed building protection.
Plastering work
Plastering work, acoustic and sound insulation, dry construction, fire protection and clay plaster for indoor and outdoor areas, including façade plaster and renovations.
Decorative work
Wallpapers for indoor and outdoor use, gilding, mineral coatings, stucco work, concrete cosmetics and decorative painting and plastering techniques.
Seamless coatings
Naturofloor, AI DO wet-room coatings and wall coverings for bathrooms and toilets for seamless wall and floor surfaces in residential and wet areas.
Lacquering work
Spray lacquering for metal, wood and plastic as well as furniture, doors, windows, shutters, staircases and kitchens, and, if requested, also on site.
Scaffolding
Facade scaffolds, stairwell scaffolds and mobile scaffolds for indoor and outdoor use, SUVA-compliant and designed for efficient, safe work.
Insulation
Analysis, refurbishment, external insulation, insulation systems, façade cladding and internal insulation with suitable insulation materials for the building envelope and interior spaces.
Trust & reputation

ranQ Trust Score of Slanzi Immobilien AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Slanzi Immobilien AG scores 80.3 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.78.524%
  • 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.78.610%
  • 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.88.08%
Slanzi Immobilien AG scores 85.5 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.55.07%
Slanzi Immobilien AG 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%
Slanzi Immobilien AG scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Slanzi Immobilien AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 21 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
4.7
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.721
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Mühlemattli 10
6074 Giswil
Opening hours
Mon
07:00 - 11:50, 13:00 - 17:00
Tue
07:00 - 11:50, 13:00 - 17:00
Wed
07:00 - 11:50, 13:00 - 17:00
Thu
07:00 - 11:50, 13:00 - 17:00
Fri
07:00 - 11:50, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-427.316.917
Founded
2011 · 15 years
Last commercial register change
January 15, 2021
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.
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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