Equal Opportunities Commission
Checklists for line managers: http://www.eoc.org.uk/Default.aspx?page=15374

a:gender
http://www.csag.org.uk/
a:gender is the support network for staff in government departments / agencies who have changed or need to change permanently their perceived gender, or who identify as intersex.

Beaumont Society
http://www.beaumontsociety.org.uk/
As well as being a support network, the society keenly promotes the better understanding of the conditions of transgender, transvestitism and gender dysphoria.

Beaumont Trust
http://www.beaumont-trust.org.uk
This organisation is a charitable educational resource for medical, voluntary and lay people who wish to increase their knowledge on the subjects of Transsexualism and Transvestitism.

FTM Network
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.

GIRES
http://www.gires.org.uk/
The aim of this website is to inform the wider 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.

Gender Trust
http://www.gendertrust.org.uk/
The mission of the Gender Trust is to improve the quality of life of trans people and their families by supporting them and working with anyone who is affected by gender identity issues, and their vision is that everyone will accept and support the right of trans people to be valued members of society.

Harry Benjamin International Gender Dysphoria Association
http://www.hbigda.org/
The Harry Benjamin International Gender Dysphoria Association, Inc. (HBIGDA) is a professional organization devoted to the understanding and treatment of gender identity disorders.

The International Journal of Transgenderism (IJT)
http://www.symposion.com/ijt/index.htm

Looking Glass Society
http://www.looking-glass.greenend.org.uk/
The Looking Glass Society is a non-profit organisation dedicated to promoting understanding and acceptance of Transsexual/Gender Dysphoric people. It publishes a range of booklets concerning the condition and engages in education work, particularly aimed at people involved in caring for or working with those with Gender Dysphoria.

Press For Change
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.

Trade Union Congress
http://www.tuc.org.uk/equality/tuc-11663-f0.pdf
The TUC has developed a comprehensive guide to addressing LGBT issues in a trade union context.