Quaker Peace and Social Witness (QPSW), previously known as the British Friends Service Council, are an organisation of Quakers based in Britain that work to promote and put into practice the Quaker testimonies of equality, integrety, simplicity and peace. They work alongside both small local and large international Presure groups.

QPSW's Parliamentary Liaison Secretary keeps Quakers informed on issues of topical concern and represents the visions of Quakers to the British government.

The Quaker United Nations Office (QUNO), part of QPSW, work in Geneva and New York to consult with the United Nations Economic and Social Council on behalf of the Friends World Committee for Consultation.