The latest tranche of anti avoidance taskforces have been announced by HMRC, targeting so-called hidden wealth in London and East Anglia
The London crackdown on wealthy tax evaders follows a similar campaign run in the North of England last October.
The taskforce will focus its attention on individuals and businesses with offshore accounts and those living lifestyles beyond their obvious means through assets from undeclared income.
A similar taskforce will also focus on South Wales, while other taskforces will target restaurants in London and East Anglia, and the construction industry in the Midlands.
A further 30 taskforces are planned for 2014-15.
HMRC is also running the third stage of the tax evasion advertising campaign, using advertising, radio, train car panels, washroom posters and mirror stickers.