Adam Smith Institute
Much favoured by Margaret Thatcher, the ASI's main focus is the introduction of free market policies.
Bow Group
A conservative thinktank founded in 1951 to counter socialism.
Centre for European Reform
A pro-European but not uncritical organisation, the CER aims to stimulate debate on the future of the EU.
Centre for Policy Studies
Thatcher's favourite. Generated a wealth of policy ideas in the 1970s and is looking to do the same again.
Centre for Social Justice
The Centre for Social Justice is an independent thinktank established, by Rt Hon Iain Duncan Smith MP in 2004, to seek effective solutions to the poverty that blights parts of Britain.
CentreForum
Independent, progressive public-policy thinktank providing an alternative entry-point into the political process through ideas and debates.
Chatham House
Chatham House is a centre for policy research on international affairs.
Demos
Launched in 1993, Demos has promoted a radical agenda of eye-catching, media-friendly policies.
Fabian Society
Founded in 1884 and affiliated to the Labour party, the Fabian Society is a major left-of-centre thinktank.
Foreign Policy Centre
The Foreign Policy Centre's aim is to explore the impact of globalisation on foreign and domestic policy.
Institute for Public Policy Research
The IPPR rose out of the ashes of Labour's 1987 election defeat, aiming to invigorate leftwing thinking.
The Legatum Institute
The Legatum Institute is an independent policy, advocacy and advisory organisation.
New Economics Foundation
A 'think and do' tank seeking to improve quality of life by challenging mainstream thinking on economic, environmental and social issues.
New Local Government Network
Independent thinktank seeking to revitalise local political leadership and empower local communities.
Policy Exchange
Small-government thinktank influential with Cameronite Tories.
Reform
An independent, non-party, liberal thinktank which seeks to set out a better way to deliver public services and economic prosperity.
ResPublica
ResPublica is an independent, non-partisan public policy thinktank established in 2009 by Phillip Blond.
Social Market Foundation
Dry, clever, post-Thatcherite thinktank that attempts to combine market economics with social justice.