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

About the company

Portmann Garten AG plans, designs and builds gardens and landscaped outdoor areas for private and public clients. Its services include garden construction and maintenance, terraces, swimming ponds, living pools and other water features.

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Presence

Service area

Offering

Products & services

Industry:Landscaping
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4.2/5

Portmann Garten AG

✓ Offered6
Garden planning
Garden concepts, garden planning and visualisations for garden and terrace projects; development of ideas, sketches and concepts tailored to individual needs.
Garden landscaping
New construction, conversions and extensions of gardens and (roof)terraces as desired; implementation of new elements for private outdoor spaces.
Garden maintenance
Care and maintenance of gardens; mowing the lawn, trimming hedges and replanting for the seasonal use of the garden.
Water features
Water in the garden with water features, natural ponds and biotopes; design of lively garden elements with biodiversity.
Swimming Pond
Natural pool, bathing pond and biotope as a bathing oasis in your own garden; linking pool and nature with water outdoors.
Living Pool
Biological swimming pool with clear water without chlorine or other toxic chemicals; combination of design and ecology.
Trust & reputation

ranQ Trust Score of Portmann Garten AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of November 2026

Portmann Garten AG scores 74.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.72.924%
  • 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.63.210%
  • 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.95.08%
Portmann Garten AG scores 72.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • 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%
Portmann Garten AG scores 86.7 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).86.722%
Portmann Garten AG scores 45.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Portmann Garten AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 11 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 11 reviews across all connected sources

Sources
GGoogle4.611
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Mittelgasse 5
6056 Kägiswil
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-156.746.158
Founded
2023 · 3 years
Last commercial register change
March 7, 2023
Employees
21 to 50

Active in 6 of 26 cantons

  • Central Switzerland
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.85.03%
    • Full methodology

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