ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorSchlierenOpenversum GmbH
Openversum GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Openversum is to make clean drinking water accessible to people in developing countries by equipping and supporting local entrepreneurs with Swiss water treatment technology, enabling them to disseminate and maintain this technology on site. To this end, the company develops and distributes innovative water treatment systems and offers a micro-franchising model that allows local entrepreneurs to sell, install and maintain the systems.

AI-generated
Offering

Products & services

Industry:Sustainability Sector
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
3.8/5

Openversum GmbH

✓ Offered7
All-in-one drinking water filter
All-in-one drinking water filter with gravity filtration, pathogen, pesticide, heavy-metal and micropollutant removal, no electricity needed, available for family use and home installation.
Water entrepreneurship program
Water entrepreneurship program with training, product supply, app support and guidance to start and run a local water-distribution business.
Impact partner solutions
Impact partner solutions for NGOs, governments and corporations, including co-designed drinking-water projects, filter subsidies, filter donations, franchise models and real-time impact tracking.
Filter subsidies
Filter subsidies to reduce the initial investment for household filters in selected areas and expand access to clean water.
Filter donations
Filter donations for community centres, schools and disaster relief efforts, with filters subsidized or provided through donor support.
Franchise model for water entrepreneurs
Franchise model to start a local entrepreneurial network for water access, using Openversum’s filter, training and operational support.
Pitch deck and investment outreach
Pitch deck and investor outreach for impact investors and business angels interested in scaling clean-water access and entrepreneurial impact.
Trust & reputation

ranQ Trust Score of Openversum GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

Openversum GmbH scores 56.6 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.70.824%
  • 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.27.910%
  • 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.50.08%
Openversum GmbH scores 61.5 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.50.012%
  • 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%
Openversum GmbH 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%
Openversum GmbH scores 57.9 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Openversum GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 3, 2026Media
Openversum, Ha Hu und WATALUX erhalten IC Award
punkt4.info
March 3, 2026Media
2026 IC Awards recognize three Swiss Startups
startupticker.ch
March 25, 2024Media
Openversum and Tether triumph at the START Summit
startupticker.ch

Knowledge

No knowledge articles yet

Once Openversum GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Openversum GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Openversum GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Openversum GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Wagistrasse 18
8952 Schlieren

At a glance

Legal form
Limited Liability Company
UID
CHE-381.871.402
Founded
2023 · 3 years
Last commercial register change
March 12, 2024
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

    Similar companies

    TC
    ThomasLloyd Climate Solutions AG
    Zurich
    VA
    VortexPower AG
    Mönchaltorf
    PG
    Pavati GmbH
    Dielsdorf
    VD
    Verein DRINK & DONATE
    Zurich
    KI
    Klimagie Ingenieure AG
    Zurich
    IA
    IN-FINITUDE AG
    Herrliberg
    NG
    nutrinnova GmbH
    Zurich
    FE
    FairTrade Energy
    Fehraltorf