Langbar International is a limited company that was listed on the Alternative Investment Market of the London Stock Exchange as Crown Corporation Limited in 2003 and was subsequently the biggest share fraud on the AIM to date. It was investigated by the Serious Fraud Office,[1][2][3][4][5][6] the City of London Police, the Accountancy Investigation and Disciplinary Board[7] and the subject of many civil legal actions in the High Court.[8][9][10][11][12][13]
Crown Corporation, which changed its name to Langbar International Limited in 2005, was a pump and dump fraud, in that the company did not possess the assets that it declared at listing.[14][15][16]