Ferrim Pecunia was a bank throughout Drunkeros. It's headquarters was thought to be located in Pelor's Hope, but it was later revealed to in fact be located within The Nine Hells, the whole operation was run by the Dragon Army. During the construction of The Tower of Grey, Rowan Grey and Toby Treacletart borrowed a large sum of money to pay for it, and struggled to pay it back. Members included Oseary Drakoolus and Frank.
It was later revealed that the headquarters of the Ferrim Pecunia was located in the first layer of The Nine Hells, the lair of Tiamat. Upon learning this, Frank reacted with shock and horror, believing the true headquarters to be in Pelor's Hope.