Thames21 Limited

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Medium
CCEW

🇬🇧 United Kingdom · Charity No 1103997

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Thames21 is an environmental charity that restores rivers across London and the Thames Basin to tackle the climate and biodiversity crisis, inspiring communities to enjoy, speak up for and look after them over the long term.

Thames21 Limited is a nonprofit, United Kingdom, with a GiveRadar trust score of 100/100. View the full profile on GiveRadar for financial data, officer records, and transparency ratings.

UN SDGs: SDG 13 SDG 14 SDG 15
100 / 100

Highly Trusted

Based on financial health, governance, verification, public sentiment, and data completeness.

Financial Health
+25/30
Governance
+15/25
Verification
+10/20
Sentiment
0/15
Data Completeness
+5/10

Financials, News & Reviews

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Profile completeness: 75% Good

Data sourced from: Ccew

Last updated: Mar 24, 2026 01:40

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Frequently asked questions

Is Thames21 Limited a legitimate charity?
Thames21 Limited is a registered nonprofit, United Kingdom. It is registered with the Charity Commission for England and Wales. It was founded in 2004 and has been operating for 22 years. It has a GiveRadar trust score of 100/100, indicating excellent transparency and financial management. The organization reports $3M in annual revenue. 8 officers and directors are publicly disclosed. No red flags have been detected.
What is Thames21 Limited's trust score?
Thames21 Limited has a GiveRadar trust score of 100/100. This score is calculated from financial health (30%), governance (25%), verification status (20%), public sentiment (15%), and data completeness (10%). A score of 100 places this charity in the top tier, reflecting strong financial management, good governance, and high transparency. The charity allocates 94% of expenses to programs, which contributes positively to its score.
Where is Thames21 Limited located?
Thames21 Limited is registered in United Kingdom. The organization was established in 2004 and has been active for 22 years.
How does Thames21 Limited spend its money?
Based on official tax filings, Thames21 Limited has $3M in annual revenue. It allocates 94% of expenses to programs and services. This is an excellent program spending ratio, well above the industry benchmark. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Are there any red flags for Thames21 Limited?
No red flags have been detected for Thames21 Limited. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, missing financial filings, and declining revenue. Based on available official data, no issues have been identified.
Is it safe to donate to Thames21 Limited?
Thames21 Limited has a GiveRadar trust score of 100/100 and no red flags have been detected, which suggests it is a well-managed organization. It is regulated by the Charity Commission. 94% of expenses go to programs. Visit the Thames21 Limited 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.
Is my donation to Thames21 Limited tax-deductible?
Thames21 Limited is a registered charity in the United Kingdom. If you are a UK taxpayer, your donation may qualify for Gift Aid, which allows the charity to claim an extra 25p for every 1 pound you donate at no cost to you. Higher-rate and additional-rate taxpayers can also claim additional relief on their Self Assessment tax return.