Charities Germany Environment Umweltstiftung Michael Otto
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Umweltstiftung Michael Otto

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51
Integrity Assessment
Partial transparency
51/100 · methodology

About Umweltstiftung Michael Otto

Tax-favorable organisation. Non-profit purposes: environmental protection and climate protection; nature conservation and landscape management.

Steuerbegünstigte Organisation. Gemeinnützige Zwecke: Umweltschutz und Klimaschutz; Naturschutz und Landschaftspflege.

Translated from German by GiveRadar.

Founded
Headquarters
Hamburg
Foundation type
Foundation (Stiftung)
Size
medium

Focus areas & reach

· What they work on and where
🌿 Environment
Cause tags

How it stacks up against peers

· vs. 8 similar environment in Germany
Integrity Assessment This charity: 51
Peer average: 57

Red flags

· All clear
Tax-authority revocation
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Umweltstiftung Michael Otto is a registered environment nonprofit based in Hamburg, Germany. It is registered with the German Vereinsregister (Association Register). It was founded in 2004 and has been operating for 22 years. It has a GiveRadar Integrity Assessment of 51/100 (Partial transparency), indicating some public data is available but key signals are missing. The organization reports €1M in annual revenue.

Umweltstiftung Michael Otto has a GiveRadar Integrity Assessment of 51/100. 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 51 ('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 environment charities in Germany is 57/100.

Umweltstiftung Michael Otto is located in Hamburg, Germany. The organization was established in 2004 and has been active for 22 years.

Based on official tax filings, Umweltstiftung Michael Otto has €1M in annual revenue. Its revenue is significantly above the peer average of €489K. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Umweltstiftung Michael Otto is classified as a Environment organization, registered in Germany. It operates as a Stiftung. By size, it is categorized as a medium organization. It has €1M in annual revenue.

Umweltstiftung Michael Otto has a GiveRadar Integrity Assessment of 51/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the local Amtsgericht (district court). Visit the Umweltstiftung Michael Otto 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-favorable organisation. Non-profit purposes: environmental protection and climate protection; nature conservation and landscape management. Umweltstiftung Michael Otto is classified as a environment organization registered in Germany. The organization was founded in 2004.

Among environment charities registered in Germany: Umweltstiftung Michael Otto's GiveRadar Integrity Assessment of 51/100 is in line with the peer average of 57/100. Its annual revenue of €1M is well above the peer average of €489K.

Umweltstiftung Michael Otto 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.

Umweltstiftung Michael Otto 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 Umweltstiftung Michael Otto'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 Umweltstiftung Michael Otto 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 3 official sources, last refreshed .

Annual revenue
€1M-€10M
Source: Bundestag Lobbyregister why this matters
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Taxes

Tax-deductibility for donors

German donations are deductible if Umweltstiftung Michael Otto 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.

Leadership

CL
Claudia Bühler
Board Member

Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Umweltstiftung Michael Otto: Von der Forschung und Praxis in die Verwaltung: F.R.A.N.Z.-Fachforum entwickelt Lösungsansä
May 2026
www.saarbruecker-zeitung.de
Michael Otto: Vordenker für Nachhaltigkeit und Kopf hinter der Hamburg Sustainability Conference - Table.Briefings
May 2025
table.media
Vorstandswechsel bei der Umweltstiftung Michael Otto (UMO) - Presseportal
Jan 2025
www.presseportal.de
Umweltstiftung Michael Otto: Claudia Bühler wird Vorstandsvorsitzende - DIE STIFTUNG – Magazin für Stiftungswesen und Ph
Dec 2024
www.die-stiftung.de
Umweltstiftung Michael Otto veröffentlicht Praxisleitfaden für Unternehmen zur ... - Presseportal
Oct 2024
www.presseportal.de
Führungswechsel - Michael Otto übergibt an Sohn - Lebensmittelpraxis.de
Mar 2024
lebensmittelpraxis.de
Generationswechsel bei Otto: Das ist „der Neue“ - MOPO
Mar 2024
www.mopo.de
Otto Group bekommt erstmals Chefin: Petra Scharner-Wolff wird CEO, Michael Otto tritt ab - Spiegel
Mar 2024
www.spiegel.de
Handel: Neue Ära: Michael Otto gibt 2026 Führung an seinen Sohn ab - DIE ZEIT
Mar 2024
www.zeit.de
Aqua-Agenten - NABU Hamburg
Jul 2019
hamburg.nabu.de

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Peer charities

Other environment in Germany, by integrity assessment

Charity Score Revenue Program %
Umweltstiftung Michael Otto This page 51 €1.5 million -
Bundesvereinigung gegen Schienenlärm e.V. 59 €5,000 -
Pro Wildlife e.V. 59 €813,113 -
Deutsche NaturfilmStiftung gGmbH 57 - -
AgrarBündnis e.V. 56 €55,000 -
Gesamtverband der Deutschen Versicherungswirtschaft e.V. 56 €15.3 million -
Bund Naturschutz in Bayern e.V. 56 €55,000 -
ECOVIN Bundesverband ökologischer Weinbau e.V. 56 €5,000 -
Fair and Green e.V. 56 €55,000 -

Sources and verification

Refreshed

Registration and legal identity
Bundesanzeiger (German Federal Gazette)
Financial filings
Bundesanzeiger annual disclosures
News and media coverage
GDELT Project + Google News

Data freshness

Last updated
Apr 21, 2026
Profile completeness
60%

What we don't know

Honest gaps - our score reflects transparency, not impact

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

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 Umweltstiftung Michael Otto

What is Umweltstiftung Michael Otto?
Umweltstiftung Michael Otto is a environment foundation based in Hamburg, Germany. Tax-favorable organisation. Non-profit purposes: environmental protection and climate protection; nature conservation and landscape management.
When was Umweltstiftung Michael Otto founded?
Umweltstiftung Michael Otto was founded in 2004.
Who leads Umweltstiftung Michael Otto?
Claudia Bühler serves as Board Member.
Where is Umweltstiftung Michael Otto located?
Headquartered in Hamburg, Germany.
What is Umweltstiftung Michael Otto's annual budget?
Annual revenue is approximately €1M-€10M.
Is Umweltstiftung Michael Otto trustworthy?
Umweltstiftung Michael Otto has a GiveRadar Integrity Assessment of 51 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 Umweltstiftung Michael Otto's website?
https://www.umweltstiftungmichaelotto.de
Are donations to Umweltstiftung Michael Otto 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.