Senior lawyers from most of Britain's 100 biggest companies will this week tell the Home Office of concerns that an extradition agreement with the US aimed at terrorist suspects is increasingly being used to target alleged white-collar criminals.

Representatives of the GC100, created last year as a powerful group of general counsel from FTSE 100 companies, are to meet government officials amid growing awareness of the threat of extradition faced by directors for alleged offences such as fraud or cartel activity.