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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureHorticulture & LandscapingWinterthurHartmann Gartenbau GmbH
Hartmann Gartenbau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Hartmann Gartenbau GmbH is the planning, design, construction and maintenance of gardens in and around Winterthur. This includes specific services such as: garden planning and design, laying of surfaces, plantings, rock gardens, walls, lawns and turf, construction of privacy screens, steel structures in the garden, water features and fences, garden maintenance and upkeep, construction of playgrounds and lighting systems, winter services, and the sale of Christmas trees. The company thus offers comprehensive services for the design and maintenance of gardens.

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Offering

Products & services

Industry:Horticulture & Landscaping
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4.1/5

Hartmann Gartenbau GmbH

✓ Offered12
Garden construction
Planning, design and construction of gardens and complete grounds as well as individual design elements; tailored execution for small and large projects around Winterthur.
Garden maintenance
Maintenance of gardens and green areas, including ongoing care and upkeep of existing facilities.
Plantings
Planting of gardens and facilities with suitable plants and planting concepts for new or existing areas.
Surfacing
Creation of surfacings for garden and outdoor areas, such as paths, squares and other paved surfaces.
Lawn / turf rolls
Laying of lawn areas and turf rolls for private and commercial garden facilities.
Rock gardens
Design and construction of rock gardens as structured garden areas with stone and plant elements.
Walls
Erection of walls as support, boundary or design element in the garden.
Privacy screens
Planning and installation of privacy screen elements for gardens and outdoor areas.
Water features in the garden
Design of water features in the garden, such as decorative or functional water areas.
Fences
Supply and installation of fences for boundary demarcation, protection and design of garden facilities.
Lighting
Planning and installation of garden and outdoor lighting to enhance the appearance and usability of outdoor spaces.
Winter service
Winter service for outdoor areas and paths, in particular clearing and securing during the cold season.
Trust & reputation

ranQ Trust Score of Hartmann Gartenbau GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Hartmann Gartenbau GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Hartmann Gartenbau GmbH scores 83.0 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.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%
Hartmann Gartenbau GmbH scores 83.3 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).83.322%
Hartmann Gartenbau GmbH scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hartmann Gartenbau GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Lettenstrasse 24
8408 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-115.255.963
Founded
2009 · 17 years
Last commercial register change
December 9, 2009
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.
88.0
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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