In April 2000 it gained further functions as strategic local government in London was reorganised.

London Councils is a think tank and lobbying organisation, and also provides some services directly through legislation that allows multiple local authorities to pool responsibility and funding, such as Freedom Pass.

[1] The GLA was a member of the ALG for a period, before Mayor Ken Livingstone fell out with leading councillors and withdrew.

A Cross-party organisation, London Councils shared ambitions are agreed by the Leaders' Committee, comprising the leaders and directly elected mayors of the boroughs, and the Chair of the Policy and Resources Committee at the City of London Corporation.

The committee is supported by a cross-party executive of twelve senior members which acts as a forum for detailed policy development.

Politically, the Executive comprises councillors in proportion to the party representation on London councils.

Its purpose is to help ensure local government staff are good, informed and demanding customers of the best innovation the market can provide.