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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureHorticulture & LandscapingOltenHagmann Gartenbau AG Olten
Hagmann Gartenbau AG Olten Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hagmann Gartenbau AG Olten provides garden construction, garden maintenance and retail of garden products. Services include annual maintenance, lawn and tree care, hedge trimming, and a garden centre offering plants, tools, plant containers and garden sculptures.

AI-generated
Offering

Products & services

Industry:Horticulture & Landscaping
✓ Offered4
Landscape gardening
Landscape gardening for new builds, conversions and redesigns of gardens and balconies; installation of landscaped facilities around the Olten branch.
Garden maintenance
Year-round maintenance, holiday service, maintenance of lawns and water areas, summer flower planting, care of roses and perennials, hedge trimming and cutting work.
Garden centre
Garden centre with tropical plants, indoor and seasonal plants, plant care products, lawnmowers, machinery, seeds, fertiliser, tools and accessories.
Plant containers and garden ornaments
Plant containers from Swisspearl Eternit and the jaco brand, as well as garden ornaments by Rottenecker.
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3.8/5

Hagmann Gartenbau AG Olten

Trust & reputation

ranQ Trust Score of Hagmann Gartenbau AG Olten: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Hagmann Gartenbau AG Olten scores 49.0 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.50.024%
  • 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.45.610%
  • 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.50.08%
Hagmann Gartenbau AG Olten 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%
Hagmann Gartenbau AG Olten 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%
Hagmann Gartenbau AG Olten scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hagmann Gartenbau AG Olten reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.4 out of 5 stars from 5 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
3.4
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle3.45
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Aarauerstrasse 235
4600 Olten
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.278.926
Founded
1998 · 28 years
Last commercial register change
January 3, 2013
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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