Samaritans - About Self Harm - Includes information sheet as well as directory of related organisations. - http://www.samaritans.org/know/information/selfharm/aboutselfharm.shtm
Understanding Self-Mutilation - Provides information on helping one's self and others, in addition to motivations and who does it. - http://harm.me.uk/
SIARI - Self-Injury and Related Issues - Information about SI interspersed with commentary from sufferers, as well as related issues. Includes creative works, message boards, and lists of resources with links. - http://www.siari.co.uk/
Self Injury UK - Support and advice group. Requires registration. - http://health.groups.yahoo.com/group/siuk/
Self Harm Alliance - Support and advocacy for persons who suffer from DSH. - http://beehive.thisisessex.co.uk/default.asp?WCI=SiteHome&ID=5423
LifeSIGNS - Guidance and support network. Voluntary organisation providing information, support, message board, training, seminars, and newsletter. - http://www.selfharm.org/
Equilibrium - Awareness organisation. Includes general information and event schedule. Provides directory and forum. - http://www.selfharmony.co.uk/
Understanding Self-harm - Booklet providing information on the condition. Includes list of references, organisations, and additional reading. - http://www.mind.org.uk/Information/Booklets/Understanding/Understanding+self-harm.htm
BBC - h2g2 - Self Injury - Article discussing what it is and is not, as well as ways to help one's self and others. - http://www.bbc.co.uk/dna/h2g2/A603901
National Self Harm Network - Survivor-led charitable support group. Includes forum and list of additional resources, with links. - http://nshn.co.uk/
Project Spear - Charity whose goal is to relieve the illness of self-injurers and those suffering from stress related illnesses. - http://www.projectspear.com/