Optimal Greening Foundation (Optimal Greening)
Restore dignity to Africans in disadvantaged and marginalized communities
About
Optimal Greening Foundation provides underserved Nigerian communities with clean water, sanitation, hygiene, renewable energy, clean cooking and waste-management solutions. Its programs combine environmental sustainability with community development and economic empowerment. It works with public agencies, private-sector partners and donors to implement these solutions.
To drive sustainable transformation in rural and marginalized African communities by mobilizing resources, building partnerships and implementing collaborative solutions that improve quality of life.
Osen Iyahen founded Optimal Greening in 2020. After returning to Nigeria, she observed widespread shortages of electricity, clean water and sanitation, particularly affecting women and children. Her environmental-engineering background and concern about climate change and sustainable development motivated her to …
Focus & reach
Nigeria
Integrity assessment
A score from 0 to 100 for how openly a charity shares public information across five areas: registration, financial disclosure, governance, contact details, and data recency. It does not measure programme impact. See exactly what we do and do not have →
Leadership at a glance
From the charitySimilar charities
GiveRadar Intelligence
GiveRadar Analysis
GiveRadar's verified records show Optimal Greening Foundation (Optimal Greening) with a partial profile.
- GiveRadar has verified more about this organization than about 99% of the 302 environment charities in Nigeria it tracks, because GiveRadar has verified its governance and its contact details. Most of those have little verified data on record yet. View this cohort
- GiveRadar has not yet verified financial records for this organization, nor for any environment charities in Nigeria - a gap in GiveRadar's dataset for the region, not a feature of this charity. Explore Nigeria data
- disclosed leadership
- a website
- a contact email
- a donation page
Analysis based on GiveRadar's benchmark dataset of 2026-09-07. It describes what GiveRadar has verified, not a judgment of the organization itself.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTax deductibility
Whether a gift to Optimal Greening Foundation (Optimal Greening) lowers your own taxes depends on where you pay them. Choose your country to see the rule that applies.
Donations may be tax-deductible for residents of Nigeria under local rules. Confirm with the charity directly.
Optimal Greening Foundation (Optimal Greening) is registered in Nigeria. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Optimal Greening Foundation (Optimal Greening) is registered in Nigeria. US donors generally cannot deduct gifts to non-US charities directly. To claim a deduction, route the gift through a US 'Friends of' fiscal sponsor or a donor-advised fund that performs equivalency determination (IRS Rev. Proc. 92-94).
This is general guidance, not tax advice. Confirm treatment with the charity or your tax advisor before donating.
Leadership & board
From the charityBoard members and senior officers on record, with disclosed pay where available.
6 officers and trustees on file, free with a GiveRadar account.
No red flags detected
In the news
No recent news coverage found
News coverage will appear here when articles mention this organization.
#2 of 302 environment charities in Nigeria on integrity score
The highest integrity score in this cohort (42/100). Positions are competition ranks: ties share a position. Cohorts are the tightest local peer set with at least 30 comparable organizations; a metric is left out where the cohort is too small or nearly uniform.
Bars show the share of the cohort this charity outranks. Ranks describe how much is publicly disclosed, not how good the charity is.
How it stacks up against peers
Compared with 8 similar environment charities in Nigeria.
Cause areas in Nigeria
Charities working in each area, this charity's highlighted.
Sources and verification
- Officers and trustees
- Corporate Affairs Commission (CAC) Nigeria · 6 disclosed in the public registry.
What we know and don't know
Every data point we track for this charity, and whether we have found it. Disclosure only, never a judgment of the charity's work.
Data freshness
How current this profile is, and when we last checked it against the official source.
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
Read full methodologyIf you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email info@giveradar.com with the correct information. We review every request and respond within 30 days.
Frequently asked questions about Optimal Greening Foundation (Optimal Greening)
Optimal Greening Foundation (Optimal Greening) is a registered environment nonprofit based in Lekki, Lagos, Nigeria. It is registered with the Corporate Affairs Commission (CAC). It was founded in 2020 and has been operating for 6 years. GiveRadar's Integrity Assessment for the organization is 42/100, which reflects how much public information is available, not whether the charity is legitimate. 6 officers and directors are publicly disclosed.
Optimal Greening Foundation provides underserved Nigerian communities with clean water, sanitation, hygiene, renewable energy, clean cooking and waste-management solutions. Its programs combine environmental sustainability with community development and economic empowerment. It works with public agencies, private-sector partners and donors to implement these solutions. Optimal Greening Foundation (Optimal Greening) is classified as an environment organization registered in Nigeria. The organization was founded in 2020.
Optimal Greening Foundation (Optimal Greening) is classified as an Environment organization, registered in Nigeria. The organization has 6 disclosed officers and directors.
Optimal Greening Foundation (Optimal Greening) is located in Lekki, Lagos, Nigeria. The organization was established in 2020 and has been active for 6 years.
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Quick facts about Optimal Greening Foundation (Optimal Greening)
- What is Optimal Greening Foundation (Optimal Greening)?
- Optimal Greening Foundation (Optimal Greening) is a environment nonprofit organization based in Lekki, Nigeria. Optimal Greening Foundation provides underserved Nigerian communities with clean water, sanitation, hygiene, renewable energy, clean cooking and waste-management solutions. Its programs combine environmental sustainability with community development and economic empowerment. It works with public agencies, private-sector partners and donors to implement these solutions.
- When was Optimal Greening Foundation (Optimal Greening) founded?
- Optimal Greening Foundation (Optimal Greening) was founded in 2020.
- Where is Optimal Greening Foundation (Optimal Greening) located?
- Headquartered in Lekki, Lagos, Nigeria.
- Is Optimal Greening Foundation (Optimal Greening) trustworthy?
- Optimal Greening Foundation (Optimal Greening) has a GiveRadar Integrity Assessment of 42 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 Optimal Greening Foundation (Optimal Greening)'s website?
- https://optimalgreening.org
- Are donations to Optimal Greening Foundation (Optimal Greening) tax-deductible?
- Donations may be tax-deductible for residents of Nigeria 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.