Mayor of London Boris Johnson MP is the current Mayor. He provides citywide leadership and creates policies to improve London for all. London Assembly The Assembly ensures the Mayor's policies, actions and strategies are in the public interest Greater London Authority The staff of the Greater London Authority (GLA) serve both the Mayor and the London Assembly. Our role Who we are, who we work with and how London government is run. Working at City Hall Find out about our vacancies and apprenticeship schemes, and what it's like to work at City Hall. Venue hire Hire City Hall, Trafalgar Square or Parliament Square Garden for events, exhibitions, rallies, filming and more. Our building and squares Find out about visiting and the history of City Hall, Trafalgar Square and Parliament Square Garden. Partner organisations We work with OPDC, Outer London Commission, TfL, London Prepared, LFEPA and the Wider South East group. More about us Mayoral webcasts Watch live and previous meetings at which the Mayor's priorities and programmes are debated. Assembly Committees Find out about our regular public meetings and what’s being discussed. How to find City Hall Plan your journey to City Hall by tube, train, bus, bike, river or foot. Trafalgar Square The history of Trafalgar Square, how to visit and what facilities are available.