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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureHorticulture & LandscapingZurichTanner Gartenbau AG
Tanner Gartenbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Tanner Gartenbau AG includes the planning, construction and maintenance of gardens, green spaces and outdoor areas, including: garden new installations and modifications, natural stone work, seamless coatings, playground construction, roof garden construction and maintenance, garden maintenance and tree care, water revitalization, winter service, and crane truck services. The company also offers consulting and planning for these services and is committed to occupational safety and quality.

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Offering

Products & services

Industry:Horticulture & Landscaping
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4.3/5

Tanner Gartenbau AG

✓ Offered10
Garden planning, construction and maintenance
Design, create, modify and maintain gardens in and around Zurich; from planning and construction through to care and maintenance of gardens and green areas.
Garden maintenance
Professional garden maintenance as a one-off assignment or ongoing contract; regular care of plants and flowers, plus year-round support by the customer-gardener team.
Tree maintenance
Care and maintenance of trees as part of garden maintenance; specialized work to preserve healthy trees and green areas.
New garden installations
Planning and creation of new gardens and green areas; new installations for small and large projects in and around Zurich.
Garden alterations
Conversion and adaptation of existing gardens; modifications to facilities and green areas according to individual wishes and needs.
Jointless floor coverings
Jointless floor coverings for outdoor areas; offered in conjunction with Gemfloor and as part of the service portfolio.
Waterway revitalization
Maintenance of waterways, renaturalization and revitalization of water bodies and riverbanks, as well as advice in the field of ecology and waterways.
Playgrounds
Planning and construction of playgrounds as part of garden and outdoor facilities.
Rooftop gardens
Design and maintenance of rooftop gardens as part of construction and maintenance services for private and commercial outdoor areas.
Winter service
Winter service for outdoor areas and paths; snow clearing and seasonal care during the winter half-year.
Trust & reputation

ranQ Trust Score of Tanner Gartenbau AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Tanner Gartenbau AG scores 69.3 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.53.924%
  • 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.85.610%
  • 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.95.08%
Tanner Gartenbau 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%
Tanner Gartenbau 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%
Tanner Gartenbau AG scores 65.7 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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tanner Gartenbau AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 28 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
of 5

Aggregated from 28 reviews across all connected sources

Sources
GGoogle428
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Brunaustrasse 6
8002 Zurich

At a glance

Legal form
Corporation
UID
CHE-112.176.132
Founded
2005 · 21 years
Last commercial register change
May 27, 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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