Many projects were announced when talk of unlimited gambling and unlimited jackpots was at its peak, he said. But last month the British government took a more conservative stand on gambling expansion by passing on some recommendations made by Parliament.

Over the past several months many deals, some involving US companies including MGM Mirage and Venetian resort owner Las Vegas Sands Inc., have been announced in Britain even as several factors such as the role of local governments and casino tax rates remain undecided.

To date, US casino companies have not been very successful running casinos overseas, this is due in part, because the US brand names that are so popular here don't necessarily translate into the other types of cultures. It is also noted that the new casinos might take additional time than already expected for US companies to get accustomed to the UK regulatory system and structure.