An offshore firm helped create companies used by members of Vladimir Putin's inner circle, including one hiding the late mercenary boss Yevgeny Prigozhin's yacht, the BBC has revealed.<br /> <br />Seychelles-based Alpha Consulting also helped to form more than 900 English, Welsh and Northern Irish partnerships which used a secrecy loophole to conceal their true owners.<br /> <br />Alpha said it is not responsible for how the companies it helped set up are used by its clients and it always followed the law.<br /> <br />Reporter: Andy Verity<br />Producers: James Melley, James Oliver, Will Dahlgreen<br />Editors: Joe Jubeh, Ehsan Imani, Fredric Sabella <br />Graphics: Carmela Joannou<br />Camera: Jack Garland<br /> <br />This investigation was carried out by BBC Newsnight, Finance Uncovered, and the Seychelles Broadcasting Corporation.