Who play the role for London

• Mayor of London The Mayor's role as the executive of the strategic authority for London is to promote economic development and wealth creation, social development, and the improvement of the environment.
• The London Assembly comprises 25 members, all elected at the same time as the Mayor. The London Assembly examines the Mayor's activities, questioning him about his decisions. The Assembly is also able to investigate other issues of importance to Londoners, publish its findings and recommendations, and make proposals to the Mayor.
• Greater London Authority is a part of the GLA Group.
• The GLA Group. The Mayor sets the annual budget for five organisations. These organisations, which have become known as the 'GLA Group', comprise:

  1- the Greater London Authority; www.london.gov.uk
  2- Transport for London, which provides bus, river and some light rail services, maintains London's main roads, regulates London's licensed taxi service and runs the Tube; www.tfl.gov.uk
  3- the Metropolitan Police Authority, which is responsible for maintaining an effective and efficient police service for London; www.mpa.gov.uk
  4- the London Development Agency, which works with business to sustain and improve London's role as a business centre, while increasing economic opportunity for all Londoners; www.lda.gov.uk
  5- London Fire Brigade, which responds to fires and promotes fire prevention, under the oversight of London Fire and Emergency Planning Authority; www.london-fire.gov.uk 

london.gov.uk is the official website for the Mayor of London, the London Assembly and the Greater London Authority. Created by the Greater London Authority Act 1999, the Mayor and the London Assembly constitute a unique form of strategic citywide government for London.