International relations of the Greater London Authority
The international relations of the Greater London Authority are carried out by the Mayor of London as part of the mayor's responsibility to promote Greater London's global links on behalf of the British capital. In addition to work done as part of the 2012 London Olympics, the Greater London Authority (GLA) estimates that 700,000 jobs in London depend on foreign companies and the tourist industry.
Source: Wikipedia — International relations of the Greater London Authority (CC BY-SA 4.0)