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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentNature conservation organizationUsterGreifensee-Stiftung
Greifensee-Stiftung Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Greifensee-Stiftung works to protect and enhance the natural areas and protected habitats around Lake Greifensee. It carries out projects in nature conservation, environmental education, public outreach and recreation, and runs the Silberweide Nature Centre and the ranger service at the lake.

AI-generated
Offering

Products & services

Industry:Nature conservation organization
✓ Offered9
Environmental education
Guided tours, workshops and courses on animal and plant life around Lake Greifensee; offers for groups, companies, kindergarten and school classes at the Naturstation Silberweide and by the lake.
Naturstation Silberweide
Nature centre with experience trail, observation hut, exhibition «Naturlabor» and nature-based adventure playground; a place for nature experiences on the upper Greifensee.
Ranger service
Ranger service in the Greifensee nature reserve with information on rules and special features, guided walks, excursions, information events and support for the Junior-Ranger programme.
Guided tours
Guided tours bookable year-round with insights into animal and plant life around Lake Greifensee; also at the Naturstation Silberweide and with the ranger.
Work assignments
Work assignments in the nature reserve and the surroundings of Lake Greifensee for the care, upgrading and preservation of protected areas.
Naturstation rental
Rental of the Naturstation for events and groups, supplemented by bookings for Geniessen & Feiern and other reservation options.
Apéro and BBQ offers
Apéro packages, BBQ get-together and reservation of picnic tables for events at the Naturstation and on Lake Greifensee.
Field binoculars rental
Hire of field binoculars for nature observations at Lake Greifensee and at the Naturstation.
Project work at Lake Greifensee
Projects in environmental education, nature conservation, public outreach and recreation to maintain and enhance Lake Greifensee and its protected areas.
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4.2/5

Greifensee-Stiftung

Trust & reputation

ranQ Trust Score of Greifensee-Stiftung: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of November 2026

Greifensee-Stiftung scores 68.5 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.65.024%
  • 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.55.910%
  • 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%
Greifensee-Stiftung scores 91.6 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%
Greifensee-Stiftung 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%
Greifensee-Stiftung scores 58.4 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.16.74%
Qualifications+0.00

Greifensee-Stiftung reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 8 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.38
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 26, 2024Media
Die Leitung der Greifensee-Stiftung ist in neuen Händen
zo-online.ch
February 28, 2024Media
Urs Wegmann verlässt Greifensee-Stiftung
zo-online.ch
April 11, 2023Media
Beiträge für den Naturschutz in Schwerzenbach werden erhöht
nau.ch
March 23, 2021Media
Flughafen will die Jugend für die Natur gewinnen
tagesanzeiger.ch

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Location

Bankstrasse 8
8610 Uster
Opening hours
Mon
09:00 - 16:00
Tue
09:00 - 16:00
Wed
09:00 - 16:00
Thu
09:00 - 16:00
Fri
09:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Foundation
UID
CHE-110.196.483
Founded
1997 · 29 years
Last commercial register change
June 26, 2025
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.
97.0
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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