World Professional Association for Transgender Health (WPATH)

Professional organisation devoted to ‘the understanding and treatment of gender identity disorders’. Originally named after pioneering physician Harry Benjamin, WPATH produces the ethical guidelines and standards of care for professionals working with patients with gender identity issues.

Transsexual Road Map

An excellent free guide to process of transitioning, and the social issues around it.

Transgender Zone

Comprehensive website including medical information, a guide to venues and opinion about transgender representation in the media for both MtFs and FtMs.

Mermaids

Family and individual support for teenagers and children with gender identity issues.

Gender trust

Organisation which supports adults whose lives are affected by gender identity issues, as well as families and employers of transsexual or transgender people.

Depend

Support group for families and friends of transsexual people in the UK.