If it's an emergency..

If you are concerned about your, or someone else’s, immediate safety, then call 999. 

For mental health emergencies, call your GP.  Outside GP hours, contact Samaritans (24 hours daily) on Freephone 116 123, or email [email protected]

National organisations:

Alcoholics Anonymous - Great Britain (alcoholics-anonymous.org.uk)
Anxiety UK - National charity helping people with Anxiety
Beat | The UK's Eating Disorder Charity (beateatingdisorders.org.uk)
Cruse Bereavement Care
Every Mind Matters | One You (www.nhs.uk)
Home - Women's Aid
Mind | Mind, the mental health charity - help for mental health problems
NHS talking therapies - NHS (www.nhs.uk)
Samaritans | Every life lost to suicide is a tragedy | Here to listen

Information about counselling and therapy:

British Association for Counselling and Psychotherapy (bacp.co.uk)
What's worrying you? - Counselling Directory (counselling-directory.org.uk)