Companion Animal Welfare Council - Conducts and publishes independent studies into the welfare, care and treatment of companion animals and their role within society.
CritterAid - Directory of animal shelters, welfare, conservation and animal rights organisations, mostly in the UK. Includes sponsor-a-critter and a message board.
Endangered Dogs Defence and Rescue Ltd - Campaign to oppose the Dangerous Dogs Act 1991 (UK). Information about their activities to support dog owners (including a telephone hotline) and to raise awareness of the issues.
Scottish Society for the Prevention of Cruelty to Animals - The Scottish SPCA is the oldest and largest animal welfare charity in Scotland, offering inspectorate and animal welfare centres covering the whole of Scotland. Not associated with the RSPCA animal rights charity.