Helping Hounds Ltd.  
   Using animals to improve the quality of life at all levels by visiting health care facilities and participating in research, education and art.
   http://www.helpinghounds.org/

The Guide Dogs for the Blind Association  
   Provides guide dogs and other services.
   http://www.gdba.org.uk/

The Seeing Dogs Alliance  
   An alternative source of dogs to guide blind people. Information on activities, and ways in which people can help.
   http://www.seeingdogs.org.uk/

Dog AID  
   Charity which specialises in helping the physically disabled to train their own pet dogs to work as assistance dogs. Details of training available and fundraising activities.
   http://www.dogaid.org.uk/

Hearing Dogs for Deaf People  
   Located in Oxfordshire, trains dogs to alert deaf people to sounds such as the alarm clock, doorbell, telephone, smoke alarm, baby alarm, and cooker timer.
   http://www.hearing-dogs.co.uk/