Private Banker International. The transaction strengthens FAB’s MENASSA securities services offering. · Private Banker International · kingma photos/ Shutterstock.com. The move fills a private markets gap for the bank, which has previously outsourced fund administration for its own. Arabian Post Staff -Dubai First Abu Dhabi Bank has acquired 100 per cent of Bahrain-based Yasira Financial Services, extending its fund administration and trust services business to serve.