Equality & Human Rights Commission

UK government commission which promote and upholds equality and human rights ideals and laws across England, Scotland and Wales.
Website: www.equalityhumanrights.com/en

Liberty

Liberty is an independent membership organisation. They challenge injustice, defend freedom and campaign to make sure everyone in the UK is treated fairly. They are campaigners, lawyers and policy experts who work together to protect rights and hold the powerful to account.
Website: www.libertyhumanrights.org.uk

the Peter Tatchell foundation

The Peter Tatchell Foundation (PTF) seeks to promote and protect the human rights of individuals, communities and nations, in the UK and internationally, in accordance with established national and international human rights law.
Website: www.petertatchellfoundation.org

amnesty international

Standing up for human rights across the world, wherever justice, freedom, fairness and truth are denied.
Website: https://www.amnesty.org.uk/ 

human rights house foundation (hrhf)

Establishes, supports, and connects Human Rights Houses – coalitions of civil society organisations working together to advance human rights at home and abroad.  There is one in London.
Website: https://humanrightshouse.org/