With the exception of US citizens, YES. Pelican is a global product. For all non-UK presidents, we advise that you trade on a CFD account. Spread bet accounts are typically for UK nationals only.
The US does not permit trading on CFD or Spread Bet accounts.
To learn more about CFDs, click here: https://www.investopedia.com/articles/stocks/09/trade-a-cfd.asp
To learn more about Spreadbets, click here: https://www.investopedia.com/articles/active-trading/082113/what-spread-betting.asp