For the first years after the passage of Sarbanes-Oxley, many companies chose to go public in London (the AIM = Alternative Investment Market sponsored by the London Stock Exchange). I have one client who is doing so and another who would like to move from NASDAQ to AIM. Both claim that Sarbanes-Oxley is to blame.
Do you agree, or is there more to the story? Has the collapse of world financial markets over the past two years changed the pattern (though there haven't been all that many IPOs)