Transgender
http://www.gendertrust.org
UK Charity helping people with Gender Identity Issues
http://www.gires.org.uk
The aim of this website is to inform a wide public of the issues surrounding gender identity and transsexualism. It is also a resource for gender dysphoric people and their families; the medical and other professionals that provide their care; Health Authorities; Members of Parliament and other policy makers.
http://www.pfc.org.uk
Press for Change is a political lobbying and educational organisation, which campaigns to achieve equal civil rights and liberties for all trans people in the United Kingdom, through legislation and social change.
http://www.ftm.org.uk
The FTM network is an informal and Ad hoc self help group, open to all female to male transgender and transsexual people, or those exploring this aspect of their gender. Currently it has over 750 members in Britain and Europe, and contact with F to M groups in America, Belgium, France, Russia, China, Japan and Australia.
http://www.mermaids.freeuk.com
Mermaids is a London based family Support Group for Children and Teenagers up to the age of 19, with Gender Identity Issues, offering a helpline, information, support and friendship.
http://www.transgenderzone.com
United Kingdom transgender resources website

http://www.spectrumlondon.org.uk
Spectrum London is a peer support forum for all Trans people and those questioning their gender, along with partners, family, friends and allies in a safe and comfortable space. Although based in Camden (London), they have members that travel from outside the capital and beyond.
An organisation offering free, confidential and non-judgemental advice, information and support to all family members, spouses, partners and friends of transsexual people in the UK.
Older Tees came about from the inclusion of transsexuals in the common acronym GLTB - we are the T's. Older Tees is a support network for trans women worldwide, who identify as being older. There are no lower age limits or upper. Older Tees isn't an association or formal group, it's a network of people facing similar life issues. The only person involved in it's operations is a facilitator. Older Tees has no affiliations or connections with any other organisation.
http://www.oldertees.net/
Some very useful articles and resources on this site.
http://www.genderessence.co.uk/
provides counselling for people who are gender diverse/gender variant in Northern Ireland. They have a "passion for helping Transgendered, Transexual or Intersexed persons of any age and Lesbian, Gay or Bisexual young people under 18 years and their families live authentic lives in the midst of whatever life might throw their way."
Scottish Trans Alliance http://www.scottishtrans.org/
http://www.ftmlondon.org.uk/Homex.html
FtM London is a support group run by FtMs for FtMs, meeting to share experiences and information with others who understand how it feels to have gender identity issues.
http://www.grp.gov.uk
Assesses applications from transsexual people for legal recognition of the gender in which they live and issues Gender Recognition Certificates
http://www.nuttycats.com
NuttycaTS is an online Mutual Support Group for transsexual people of all ages and at all stages of treatment, from questioning of gender through to post operative care, as well as for partners and families. NuttycaTS offers mutual advice and support via their online support forums.
http://www.lgbtyouth.org.uk/Transgender.htm
An organization working with transgender youth in Scotland. Supporting transgender young people to challenge barriers like transphobia and to have their voices heard.
http://www.crissywild.com/main.html
An online transgender library providing 1000's of links to everything transgendered both in the UK and internationally
Some information on Hormone Therapy for Transsexuals can be found here