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We're C4: the Capital's Cat Care Campaign

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Cat Owners
- Neutering myths
- All about microchipping
Using the C4 scheme
Scheme History & Info for Vet Clinics
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Update for cat owners and carers: March 2025

History & performance stats

Update for participating vets October 2025

C4 is Greater London's citywide cat neutering scheme. It is funded by a number of England & Wales Registered Charities:
RSPCA (219099) and a number of its separately Registered Charity local branches; Cats Protection (203644), SNIP (299258).
The financial contractual entity for C4 is Cats Protection, Registered Charity 203644, Company Limited By Guarantee 06772997 in England and Wales.

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