Charities Germany Science & Technology Peter Tamm Sen. Stiftung
PE

Peter Tamm Sen. Stiftung

Science & Technology Hamburg
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33
Integrity Assessment
Limited data available
33/100 · methodology
This score reflects limited public data, not concerns about the organization.

About Peter Tamm Sen. Stiftung

Tax-favoured organisation. Non-profit-making purposes: science and research; art and culture.

Steuerbegünstigte Organisation. Gemeinnützige Zwecke: Wissenschaft und Forschung; Kunst und Kultur.

Translated from German by GiveRadar.

Headquarters
Hamburg
Foundation type
Foundation (Stiftung)
Size
medium

Focus areas & reach

· What they work on and where
Science & Technology
Cause tags

How it stacks up against peers

· vs. 8 similar science & technology in Germany
Integrity Assessment This charity: 33
Peer average: 59

Red flags

· All clear
Tax-authority revocation
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Peter Tamm Sen. Stiftung is a registered science & technology nonprofit based in Hamburg, Germany. It is registered with the German Vereinsregister (Association Register). It has a GiveRadar Integrity Assessment of 33/100 (Limited data available). This reflects limited public data, not concerns about the organization. This is below the average of 59/100 for science & technology charities in Germany. The organization reports €1M in annual revenue.

Peter Tamm Sen. Stiftung has a GiveRadar Integrity Assessment of 33/100. 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 33 ('Limited data available') reflects limited public data, not concerns about the organization. This is common for smaller, newer, or non-US charities that file fewer public records. For comparison, the average integrity assessment for science & technology charities in Germany is 59/100.

Peter Tamm Sen. Stiftung is located in Hamburg, Germany.

Based on official tax filings, Peter Tamm Sen. Stiftung has €1M in annual revenue. Its revenue is below the peer average of €24M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Peter Tamm Sen. Stiftung is classified as a Science & Technology organization, registered in Germany. It operates as a Stiftung. By size, it is categorized as a medium organization. It has €1M in annual revenue.

Peter Tamm Sen. Stiftung has a GiveRadar Integrity Assessment of 33/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the local Amtsgericht (district court). Visit the Peter Tamm Sen. Stiftung 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.

Tax-favoured organisation. Non-profit-making purposes: science and research; art and culture. Peter Tamm Sen. Stiftung is classified as a science & technology organization registered in Germany.

Among science & technology charities registered in Germany: Peter Tamm Sen. Stiftung's GiveRadar Integrity Assessment of 33/100 is below the peer average of 59/100. Its annual revenue of €1M is below the peer average of €24M.

Peter Tamm Sen. Stiftung is a registered nonprofit in Germany. Donations to recognized charitable organizations (gemeinnuetzige Organisationen) are tax-deductible up to 20% of your total income. You will need a donation receipt (Zuwendungsbestaetigung) from the organization for your tax return.

Peter Tamm Sen. Stiftung is a Stiftung (foundation) - a German legal entity with dedicated assets serving a specific charitable purpose. Unlike an e.V., a Stiftung has no members; it is governed by a board (Vorstand) and supervised by the state foundation authority (Stiftungsaufsicht) of the relevant Bundesland. Germany has roughly 25,000 foundations. Each Bundesland has its own Stiftungsaufsicht that oversees compliance with the foundation's charter. German nonprofits are listed in the Zuwendungsempfaengerregister (ZER), the federal register of tax-exempt donation recipients maintained by the Bundeszentralamt fuer Steuern (BZSt).

You can verify Peter Tamm Sen. Stiftung's charitable status in several ways. First, check the Zuwendungsempfaengerregister (ZER) at https://www.bzst.de/DE/Unternehmen/Zuwendungsempfaengerregister_organisation/zuwendungsempfaengerregister_organisation_node.html - the BZSt maintains this federal register of all organisations eligible to receive tax-deductible donations in Germany. Second, you can look up the association in the Vereinsregister (association register) at the local Amtsgericht (district court) via https://www.handelsregister.de/ - this confirms the legal form, registered address, and board members. Third, check whether the organisation holds the Freistellungsbescheid (tax-exemption notice) from its local Finanzamt - the notice is re-issued every three years and confirms the 'gemeinnuetzig' status under the Abgabenordnung. Legitimate charities publish this on their website or provide it on request.

Contact Peter Tamm Sen. Stiftung directly for current donation methods. German charities typically accept SEPA bank transfer (Ueberweisung) to the organisation's IBAN, SEPA direct debit (Lastschrift/Einzugsermaechtigung) for recurring donations, PayPal, credit card payments, and online payment processors like Stripe or Mollie. Many German charities use platforms like betterplace.org, GoFundMe, or their own Spendenseite (donation page). International donors can give via SEPA transfer (Germany is in the eurozone) or PayPal. For your donation to be tax-deductible, you need a Zuwendungsbestaetigung (donation receipt) from the organisation - for amounts up to 300 euros, a bank statement showing the transfer is sufficient.

Verified against 2 official sources, last refreshed .

Annual revenue
€1M-€10M
Source: BZSt (Germany) why this matters
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Taxes

Tax-deductibility for donors

German donations are deductible if Peter Tamm Sen. Stiftung holds a Freistellungsbescheid (recognition as a charitable purpose) and issues a Zuwendungsbestätigung receipt.

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

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Latest news

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Peer charities

Other science & technology in Germany, by integrity assessment

Sources and verification

Refreshed

Registration and legal identity
Bundesanzeiger (German Federal Gazette)
Financial filings
Bundesanzeiger annual disclosures

Data freshness

Last updated
Apr 21, 2026
Profile completeness
50%

What we don't know

Honest gaps - our score reflects transparency, not impact

Executive compensation
Top-officer pay not disclosed
Named leadership
Board and officer list not yet indexed
Mission statement
No self-published statement of purpose
Official website
No verified website on record
Programs & projects
No named programs listed by the charity
Direct contact
No email or phone published

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 Peter Tamm Sen. Stiftung

What is Peter Tamm Sen. Stiftung?
Peter Tamm Sen. Stiftung is a science & technology foundation based in Hamburg, Germany. Tax-favoured organisation. Non-profit-making purposes: science and research; art and culture.
Where is Peter Tamm Sen. Stiftung located?
Headquartered in Hamburg, Germany.
What is Peter Tamm Sen. Stiftung's annual budget?
Annual revenue is approximately €1M-€10M.
Is Peter Tamm Sen. Stiftung trustworthy?
Peter Tamm Sen. Stiftung has a GiveRadar Integrity Assessment of 33 out of 100 (Limited data available). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
Are donations to Peter Tamm Sen. Stiftung tax-deductible?
Donations may be tax-deductible for residents of Germany 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.