Four companies controlled by property developer Greg Kavanagh are facing winding up petitions by the Revenue Commissioners. While the tax authority does not comment on individual cases, The Currency understands Revenue filed High Court proceedings last week over alleged outstanding Vat issues. The companies in question are New Generation Construction Ltd, Fofo Investments Ltd, For Much Needed Housing Ltd and Sequana Assets Ltd. The cases were lodged with the High Court on April 16 with a motion listed for hearing on May 11. It is not the first legal duel between Revenue and Kavanagh, the Arklow-born developer who once described…