Livingstone's advisers have developed a strategy, under the proposed title of "London Unlimited", pushing the same features that helped London win the 2012 Olympic Games: cultural diversity, education and business investment.
The Mayor wants to increase investment in targeting tourists from China and Russia and encourage more students from abroad to come to London to study.
Freud Communications will work with Hill & Knowlton to target the Chinese market, Edelman in America and Finsbury Communications on LSE listings.
Livingstone will be heading out to Beijing early next year with hopes to cement links between the two cities, with Beijing also being an Olympic host city, in 2008.
The impact of the London bombings on July 7 has reportedly cost the economy £300m already.
At the beginning of August, the London Mayor launched a poster and print campaign, which was run free by the advertising industry and featured the words "1 London" highlighted in red within the phrase "7 million Londoners", written in black. The ad was created by Nitro.
The London Assembly Conservative Party has unveiled its own rival campaign to attract people back into London after saying that the Mayor's message "lacked imagination and clout".
The party believes the "I Love London" campaign, which is based on the successful New York project, would have a much better chance of restoring visitor numbers following the attacks.
The London Conservatives also believe the Mayor could finance its ideas by scrapping congestion charges.
"Everyone's London", developed by M&C Saatchi and Chemistry Communications, has also been recently launched with a series of specially staged public events and one-off promotions backed by The Mayor, Transport for London and Visit London.
The campaign includes street festivals in Regent Street and Oxford Street as well as events, festivals and special days out across the capital.
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