Charities Austria Community Development Chaos Computer Club Wien (C3W)
CH

Chaos Computer Club Wien (C3W)

Wien Reg ZVR-656204875 · BMI Vereinsregister Sign up to see website
Claim this charity
Ready to give?
100% goes to Chaos Computer Club Wien (C3W)

GiveRadar doesn't take a cut. We couldn't find a direct donate page, so visit their site.

Visit c3w.at
60
Integrity Assessment
Partial transparency
60/100 · methodology

About Chaos Computer Club Wien (C3W)

Personenvereinigung

Founded
Headquarters
Wien
Foundation type
Verein

Focus areas & reach

· What they work on and where
Community Development

How it stacks up against peers

· vs. 8 similar community development in Austria
Integrity Assessment This charity: 60
Peer average: 62

Red flags

· All clear
Austrian register status change
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Chaos Computer Club Wien (C3W) is a registered community development nonprofit based in Wien, Austria. It is registered with the Vereinsregister of the Austrian Federal Ministry. It was founded in 2002 and has been operating for 24 years. Its registration number is ZVR-656204875. It has a GiveRadar Integrity Assessment of 60/100 (Partial transparency), indicating some public data is available but key signals are missing. No red flags have been detected.

Chaos Computer Club Wien (C3W) has a GiveRadar Integrity Assessment of 60/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 60 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for community development charities in Austria is 62/100.

Chaos Computer Club Wien (C3W) is located in Wien, Austria. The organization was established in 2002 and has been active for 24 years.

Chaos Computer Club Wien (C3W) is classified as a Community Development organization, registered in Austria. It operates as a Verein. The organization has 3 disclosed officers and directors.

No red flags have been detected for Chaos Computer Club Wien (C3W). GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Chaos Computer Club Wien (C3W) has a GiveRadar Integrity Assessment of 60/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the BMI. Visit the Chaos Computer Club Wien (C3W) profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Among community development charities registered in Austria: Chaos Computer Club Wien (C3W)'s GiveRadar Integrity Assessment of 60/100 is in line with the peer average of 62/100.

Chaos Computer Club Wien (C3W) is registered in Austria. Donations to qualifying Austrian nonprofits are tax-deductible up to 10% of your income from the previous year. The organization must be listed in the official BMF list of eligible organizations.

Verified against 4 official sources, last refreshed .

No financial data available yet

Data will be fetched automatically when available from public sources.

Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

Sign up to view
Already have an account? Log in
No credit card · Takes 20 seconds

Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of Austria under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

DA
Daniel Seidinger
Obperson

Officers & trustees (3)

Source: Public filings

DA
Daniel S••••••••
Obperson
DI
Dipl.-Inf.(FH) J•• F••••
Kassier
IN
Ing. I••••••• D••••••
Secretary
Full names, contact details & compensation

Free with an account.

Unlock

Latest news

From global news sources

3 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Wien: Datenschützer gegen neuen Entwurf für Messenger-Überwachung - Kleine Zeitung
Sep 2024
www.kleinezeitung.at
Wie sagt man das in Gebärdensprache? - DiePresse.com
Apr 2023
www.diepresse.com
Statt Bürgerkarte: Kritik an geplanter E-Identitätskarte - Kleine Zeitung
May 2017
www.kleinezeitung.at

No reviews yet. Be the first to share your experience.

Have you donated or volunteered here?

Share your experience - it takes 30 seconds. Verified reviews help other donors decide.

Sign up to write a review

Sources and verification

Refreshed

Registration and legal identity
Austrian Federal Ministry of the Interior (BMI)
Officers and trustees
Austrian Federal Ministry of the Interior (BMI) - 3 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Wikidata structured data

Data freshness

Last updated
Apr 21, 2026
Profile completeness
45%

What we don't know

Honest gaps - our score reflects transparency, not impact

Financial filings
No annual financial filings on file
Mission statement
No self-published statement of purpose
Programs & projects
No named programs listed by the charity
Tax-deductibility status
Whether donations are tax-deductible has not been verified
Operating reach
Countries where programs run not specified
Programmatic detail
Specific cause areas not yet tagged

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Chaos Computer Club Wien (C3W)

What is Chaos Computer Club Wien (C3W)?
Chaos Computer Club Wien (C3W) is a community development verein based in Wien, Austria. Personenvereinigung
When was Chaos Computer Club Wien (C3W) founded?
Chaos Computer Club Wien (C3W) was founded in 2002.
Who leads Chaos Computer Club Wien (C3W)?
Daniel Seidinger serves as Obperson.
Where is Chaos Computer Club Wien (C3W) located?
Headquartered in Wien, Austria.
Is Chaos Computer Club Wien (C3W) trustworthy?
Chaos Computer Club Wien (C3W) has a GiveRadar Integrity Assessment of 60 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Chaos Computer Club Wien (C3W)'s registration number?
Registration: ZVR-656204875 (Austria).
What is Chaos Computer Club Wien (C3W)'s website?
https://c3w.at/
Are donations to Chaos Computer Club Wien (C3W) tax-deductible?
Donations may be tax-deductible for residents of Austria under local rules. US donors should check whether the charity has an equivalency-determination letter or a US-based fiscal sponsor before claiming a deduction.