On January 14, accountant Aidan Rourke at RGR Partners in Loughrea, Co Galway closed the books of Promontoria (Oak) Ltd for the last time. Since October 2023, Rourke had been tasked with winding up the company, a subsidiary of the US vulture fund firm Cerberus.  It was a minor liquidation, with just a few tens of thousands of euro to tidy up, its final wind-up documents show. Yet in the summer of 2016, Promontoria (Oak) had started its life with £181.3 million (€215.6 million) on its balance sheet. This was the value of British mortgages acquired by Cerberus from National…