By Mark Jefferies Former SAS: Who Dares Wins star Ant Middleton could be facing bankruptcy over a monster tax bill. The ex-special forces soldier, who was chief instructor on the Channel 4 reality show, is closing down his UK businesses after one went bust owing more than £1.2million – mostly to the tax office. His company Sway and Starting Ltd, originally called Middleton Global, was forced into liquidation by creditors despite it raking in £4.5m in 2021. The firm’s statement of affairs reveals it was abandoned owing £1,199,000 to HMRC and £3,000 to other creditors. Before wrapping it up, Ant…