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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryAssociations & Interest GroupsNGOs & NPOsBaselherznetz.ch, Dachverband Angeborene Herzfehler Schweiz
herznetz.ch, Dachverband Angeborene Herzfehler Schweiz Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Herznetz is to support and promote people with congenital heart defects and their families. This includes improving the situation of patients, promoting the network between self-help organizations and professionals, raising public awareness, and supporting research on congenital heart defects. Herznetz serves as the Swiss umbrella organization for congenital heart defects and provides support for children, adolescents, and adults with congenital heart defects.

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4.1/5

herznetz.ch, Dachverband Angeborene Herzfehler Schweiz

✓ Offered10
Advocacy and support for people with congenital heart defects
Advocacy for people affected and their relatives, improving the situation of patients, support in everyday life and with lifelong follow-up care.
Information, FAQs and counselling content on congenital heart defects
Questions and answers, basics on heart defects, symptoms, types of treatment, follow-up care and helpful websites for people affected and relatives.
Networking between people affected, professionals and member organisations
Promoting exchange between self-help organisations, professionals, physicians and nursing staff, and connecting with member organisations across the entire subject area.
Herznetztag (Heart Network Day)
Annual event on congenital heart defects with information, training, exchange among people affected and relatives, and a children’s programme.
Herzchor (Heart Choir)
Weekly breathing and singing training under expert guidance for people with breathing difficulties or heart weakness, with rehearsals and occasional performances.
Patient card for people with congenital heart defects
Patient card in credit-card format with important emergency information, available in several language versions and orderable via the secretariat or heart centres.
Membership, patron support and donations
Become a member or donor, make individual donations, participate in fundraising campaigns, contribute bequests and receive tax-deductible support for the association’s work.
Volunteering
Support the office as a volunteer helper in various disciplines.
Shop with cards from the art competition
Sale of postcards and fold cards featuring designs from the art competition; proceeds used to finance the Herznetztag.
Newsletter
Newsletter registration with last name, first name and email address for regular information from the organisation.
Trust & reputation

ranQ Trust Score of herznetz.ch, Dachverband Angeborene Herzfehler Schweiz: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

herznetz.ch, Dachverband Angeborene Herzfehler Schweiz 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.
x
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%
herznetz.ch, Dachverband Angeborene Herzfehler Schweiz scores 74.6 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.79.212%
  • 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.70.07%
herznetz.ch, Dachverband Angeborene Herzfehler Schweiz scores 85.0 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).85.022%
herznetz.ch, Dachverband Angeborene Herzfehler Schweiz scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

herznetz.ch, Dachverband Angeborene Herzfehler Schweiz 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

Lange Gasse 78
4052 Basel

At a glance

Legal form
Association
UID
CHE-336.318.317
Founded
2018 · 8 years
Last commercial register change
August 27, 2024
Employees
11 to 20
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.73.06%
  • 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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