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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryRetail & CommerceFloristZurichGrünhaus AG
Grünhaus AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grünhaus AG operates a grow shop selling products for plant cultivation and gardening. Its range includes grow boxes, fertilisers, lighting, soil and substrates, irrigation and climate-control systems, measuring instruments and plant-protection products.

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Service area

Offering

Products & services

Industry:Florist
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Grünhaus AG

✓ Offered7
Grow shop assortment
Grow shop assortment for indoor cultivation with sets, grow boxes, fertilizers, lighting, soil & substrates, pots, irrigation, air extraction & supply, climate control and measuring devices.
Fertilizers
Fertilizers for plant cultivation, including Canusol, Hesi, Canna, Plagron, BioBizz, BioTabs, GuanoKalong, Alfa Boost, Atami and other brands.
Lighting
Lighting for the grow area, including LED, light bulbs, reflectors, ballasts, compact lamps, control boxes, fluorescent fixtures and lamp hangers.
Grow boxes
Grow boxes and propagation/cloning boxes from HomeBox, Garden High Pro and Mammoth, plus further accessories for closed cultivation systems.
Soil & substrates
Soil, coco, rock wool, slabs, mineral substrates, seedling plugs and additives for plant rearing and cultivation.
Air extraction & supply
Fans, silent fans, EC fans, activated carbon filters, flexible ducts, silencers, climate control, fittings as well as air filter and pollen filter boxes.
Irrigation
Irrigation solutions with PE and PVC irrigation, manual irrigation, pumps, hoses, tanks, sprayers, heating rods and couplings.
Trust & reputation

ranQ Trust Score of Grünhaus AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Grünhaus AG scores 76.1 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.60.924%
  • 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.97.410%
  • 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%
Grünhaus 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%
Grünhaus AG scores 86.7 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).86.722%
Grünhaus AG scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grünhaus AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 45 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
4.2
of 5

Aggregated from 45 reviews across all connected sources

Sources
GGoogle4.245
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Herostrasse 7
8048 Zurich
Opening hours
Mon
Closed
Tue
12:00 - 19:30
Wed
12:00 - 19:30
Thu
12:00 - 19:30
Fri
12:00 - 19:30
Sat
10:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.294.104
Founded
2008 · 18 years
Last commercial register change
May 25, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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