Cancer Research UK vs WWF-UK
Cancer Research UK grades higher: A against B.
A
Cancer Research UK
Registered charity #1089464
Give with confidence
The world’s largest charitable funder of cancer research, running a healthy surplus and publishing exactly how much of your pound reaches the science.
Read the full receiptB
WWF-UK
Registered charity #1081247
Give with eyes open
A capable, well-known conservation charity carrying a serious human-rights reckoning and a deficit year, with impact that resists clean measurement.
Read the full receiptThe numbers
Side by side, from the accounts
Cancer Research UK
WWF-UK
Mar 2025
Year ended
Jun 2025
£735m
Income
£89m
£715m
Spending
£96m
5,169
Staff
463
26,000
Volunteers
3,496
14
Trustees
11
None
Flags raised
None
Each column shows the latest year that charity has filed, so the periods can differ. Spend ratios appear only where both charities disclose them at that level of detail. See methodology.