Charities Japan Social Services Oseji, a specific non-profit, is a …
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Oseji, a specific non-profit, is a Seiko Club.

特定非営利活動法人上瀬谷はまっ子クラブ

Yokohama (横浜市) Reg JP-NPO-5020005012224 · Cabinet Office NPO Portal Sign up to see website
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53
Integrity Assessment
Partial transparency
53/100 · methodology

About Oseji, a specific non-profit, is a Seiko Club.

This lawyer aims to do a project on postschool support activities for children and to contribute to their location and health.

この法人は、子どもたちに対し­て、放課後の支援活動に関する­事業を行い、子どもの居場所及­び健全育成に寄与することを目­的とする。

Translated from Japanese by GiveRadar.

Founded
Headquarters
Yokohama
Foundation type
NPO Corporation (NPO法人)

Focus areas & reach

· What they work on and where
Social Services

How it stacks up against peers

· vs. 8 similar social services in Japan
Integrity Assessment This charity: 53
Peer average: 57

Red flags

· All clear
NPO Portal status change
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Oseji, a specific non-profit, is a Seiko Club. is a registered social services nonprofit based in Yokohama, Japan. It is registered with the Cabinet Office NPO Portal. It was founded in 2015 and has been operating for 11 years. Its registration number is JP-NPO-5020005012224. It has a GiveRadar Integrity Assessment of 53/100 (Partial transparency), indicating some public data is available but key signals are missing.

Oseji, a specific non-profit, is a Seiko Club. has a GiveRadar Integrity Assessment of 53/100. 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 53 ('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 social services charities in Japan is 57/100.

Oseji, a specific non-profit, is a Seiko Club. is located in Yokohama, Japan. The organization was established in 2015 and has been active for 11 years. Its registered address is 横浜市瀬谷区五貫目町22番地の12, Japan.

Oseji, a specific non-profit, is a Seiko Club. is classified as a Social Services organization, registered in Japan. It operates as a NPO法人.

Oseji, a specific non-profit, is a Seiko Club. has a GiveRadar Integrity Assessment of 53/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the Cabinet Office. Visit the Oseji, a specific non-profit, is a Seiko Club. 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.

This lawyer aims to do a project on postschool support activities for children and to contribute to their location and health. Oseji, a specific non-profit, is a Seiko Club. is classified as a social services organization registered in Japan. The organization was founded in 2015.

Among social services charities registered in Japan: Oseji, a specific non-profit, is a Seiko Club.'s GiveRadar Integrity Assessment of 53/100 is in line with the peer average of 57/100.

Oseji, a specific non-profit, is a Seiko Club. is registered in Japan. Donations to certified NPOs and specified public interest corporations are eligible for a tax credit of approximately 40% of the donation (minus 2,000 yen), or an income deduction. The organization must hold certified NPO status from the National Tax Agency.

Verified against 2 official sources, last refreshed .

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Taxes

Tax-deductibility for donors

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

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

Leadership

高橋
高橋 輝久

Latest news

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No recent news coverage found

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Peer charities

Other social services in Japan, by integrity assessment

Charity Score Revenue Program %
Oseji, a specific non-profit, is a Seiko Club. This page 53 - -
The NPO guy's room, the Bloc. 57 - -
A specific non-profit. 57 - -
A specific non-profit law. 57 - -
Dyeti 57 - -
The Institute for Stars Education. 57 - -
I'm a specific non-profit. Noel. 57 - -
The NPO's School of Child-sitting Center. 57 - -
NPO Ginny. 57 - -

Sources and verification

Refreshed

Registration and legal identity
Cabinet Office NPO Portal
News and media coverage
GDELT Project + Google News

Data freshness

Last updated
Apr 21, 2026
Profile completeness
35%

What we don't know

Honest gaps - our score reflects transparency, not impact

Financial filings
No 公益法人 annual return 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 Oseji, a specific non-profit, is a Seiko Club.

What is Oseji, a specific non-profit, is a Seiko Club.?
Oseji, a specific non-profit, is a Seiko Club. is a social services npo corporation based in Yokohama, Japan. This lawyer aims to do a project on postschool support activities for children and to contribute to their location and health.
When was Oseji, a specific non-profit, is a Seiko Club. founded?
Oseji, a specific non-profit, is a Seiko Club. was founded in 2015.
Who leads Oseji, a specific non-profit, is a Seiko Club.?
高橋 輝久.
Where is Oseji, a specific non-profit, is a Seiko Club. located?
Headquartered in Yokohama (横浜市 in the local language), Japan.
Is Oseji, a specific non-profit, is a Seiko Club. trustworthy?
Oseji, a specific non-profit, is a Seiko Club. has a GiveRadar Integrity Assessment of 53 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 Oseji, a specific non-profit, is a Seiko Club.'s registration number?
Registration: JP-NPO-5020005012224 (Japan).
What is Oseji, a specific non-profit, is a Seiko Club.'s website?
https://at.wakwak.com
Are donations to Oseji, a specific non-profit, is a Seiko Club. tax-deductible?
Donations may be tax-deductible for residents of Japan 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.