Anti-Slavery International
About
Anti-Slavery International works to eliminate all forms of slavery throughout the world by investigating and exposing current cases of slavery, campaigning for its eradication, supporting the initiatives of local organisations to secure the freedom of those in slavery or vulnerable to it, and pressing for more effective implementation of national and international laws against slavery.
Focus & reach
Verification & registration
Every mark links to the official registry entry and opens in a new tab.
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 →
Financials
Charity Commission (UK)Leadership at a glance
Official filingsSimilar charities
GiveRadar Intelligence
GiveRadar Analysis
GiveRadar's verified records show Anti-Slavery International with a substantially complete profile, cross-referenced across 5 independent sources including the Charity Commission.
- GiveRadar has cross-referenced this organization across 5 independent sources, led by the Charity Commission - more than 98% of similar organizations. See the sources
- By reported annual revenue, it is larger than 91% of the 2,126 international charities in the United Kingdom with financial records on GiveRadar. See the filings
- Its integrity score of 86 places it in the top 1% of the 2,545 international charities in the United Kingdom GiveRadar tracks, because GiveRadar has verified its financial disclosures and its registration. View this cohort
- government registration
- financial records (5 filed years)
- disclosed leadership
- a website
- a contact email
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Filing history
5 years on file from Charity Commission (UK): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTax deductibility
Whether a gift to Anti-Slavery International lowers your own taxes depends on where you pay them. Choose your country to see the rule that applies.
UK donations qualify for Gift Aid. ANTI-SLAVERY INTERNATIONAL is registered with the Charity Commission. Eligible UK taxpayers can boost their gift by 25% at no extra cost.
ANTI-SLAVERY INTERNATIONAL is in United Kingdom, a TGE (Transnational Giving Europe) member country. Dutch donors can route gifts via Stichting Transnational Giving Europe to receive Dutch ANBI-equivalent deductibility, subject to TGE's 5% pass-through fee.
ANTI-SLAVERY INTERNATIONAL is registered in United Kingdom. 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
Official filingsBoard members and senior officers on record, with disclosed pay where available.
7 officers and trustees on file, free with a GiveRadar account.
No red flags detected
Timeline
From official filingsKey dates from this charity's official filings, newest first.
In the news
No recent news coverage found
News coverage will appear here when articles mention this organization.
Trustpilot
their website states:"Founded in 1839, we are the oldest international human rights organisation in the world.Today, we draw on our experience to work to eliminate all forms of slavery and slavery like practices throughout the world.We are not interested in easy solutions. Instead, we deal with the root causes of slavery and its consequences to achieve sustainable change."A great charity doing great work.
Trustpilot
Thumbs up for at præve at ændre verdenen til et bedre sted!
Trustpilot
AMBATAKUM !!!!!!!!
Trustpilot
i thought you said slaves were gonna be FREE not free 😭😭😭😭😭😭😭😭
How it stacks up against peers
Compared with 8 similar international charities in United Kingdom.
Cause areas in United Kingdom
Charities working in each area, this charity's highlighted.
Sources and verification
- Officers and trustees
- Charity Commission for England and Wales - Register of Charities · 7 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 Anti-Slavery International
Anti-Slavery International is a registered international nonprofit based in London, England, United Kingdom. It is registered with the Charity Commission for England and Wales. It was founded in 1995 and has been operating for 31 years. According to GiveRadar's records, it holds registration with the UK Fundraising Regulator, which means it has committed to the Code of Fundraising Practice and accountable fundraising standards. GiveRadar's Integrity Assessment for the organization is 86/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports £4M in annual revenue. 7 officers and directors are publicly disclosed. No red flags have been detected. The charity has 4 community reviews with an average rating of 3.0/5. On Trustpilot, it has a rating of 2.5/5 based on 5 reviews.
Based on official filings, Anti-Slavery International has £4M in annual revenue. It allocates 90% of expenses to programs and services. This is below the average of 95% for international charities in United Kingdom. Its revenue is significantly above the peer average of £1M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Anti-Slavery International works to eliminate all forms of slavery throughout the world by investigating and exposing current cases of slavery, campaigning for its eradication, supporting the initiatives of local organisations to secure the freedom of those in slavery or vulnerable to it, and pressing for more effective implementation of national and international laws against slavery. Anti-Slavery International is classified as an international organization registered in United Kingdom. The organization was founded in 1995.
Anti-Slavery International is a charitable company limited by guarantee, the most common incorporated form for UK charities. It is registered with both Companies House and the Charity Commission, and must file annual accounts with both regulators. Directors (who are also charity trustees) have limited liability.
Anti-Slavery International's registered charity number is 1049160. You can use it to look up the organization on the Charity Commission register.
Anti-Slavery International is located in London, England, United Kingdom. The organization was established in 1995 and has been active for 31 years.
Anti-Slavery International is based in London in England. The Charity Commission for England and Wales (CCEW) is the primary regulator. Scotland has its own regulator (OSCR), and Northern Ireland has the Charity Commission for Northern Ireland (CCNI). A charity registered with the CCEW may operate across the whole of the UK or internationally.
Check any charity before you give
Search 7.9M+ nonprofits across 100+ countries. Free, and no account needed.
Report an issue
Tell us what's wrong with this charity's page. We review every report and typically reply within 2 business days.
Report sent
Thanks for flagging this. Our team will review it.
Press Esc to close
Save Anti-Slavery International?Download this profile as a PDFVisit Anti-Slavery International's websiteLog a donation to Anti-Slavery International
Create a free GiveRadar account to save charities and track them in your dashboard.Create a free GiveRadar account to download charity profiles as a clean PDF.Create a free GiveRadar account to open charity websites and keep your research in one place.Create a free GiveRadar account to record donations and track your giving over time.
Quick facts about Anti-Slavery International
- What is Anti-Slavery International?
- Anti-Slavery International is a international charitable company based in London, United Kingdom. Anti-Slavery International works to eliminate all forms of slavery throughout the world by investigating and exposing current cases of slavery, campaigning for its eradication, supporting the initiatives of local organisations to secure the freedom of those in slavery or vulnerable to it, and pressing for more effective implementation of national and international laws against slavery.
- When was Anti-Slavery International founded?
- Anti-Slavery International was founded in 1995.
- Where is Anti-Slavery International located?
- Headquartered in London, England, United Kingdom.
- What is Anti-Slavery International's annual budget?
- Annual revenue for fiscal year 2025 is £3.7 million. 90% of expenses go to program services.
- Is Anti-Slavery International trustworthy?
- Anti-Slavery International has a GiveRadar Integrity Assessment of 86 out of 100 (Strong 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 Anti-Slavery International's website?
- https://www.antislavery.org
- Are donations to Anti-Slavery International tax-deductible?
- Donations may be tax-deductible for residents of United Kingdom 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.