The deal was billed as transformational. In a move that gave it a nationwide footprint and bolstered its top line with an additional €11 million revenue stream, the Cara Pharmacy Group closed the deal to snap up Abbey Healthcare in September 2017.   The acquisition of Abbey, which had two retail stores as well as a substantial business supplying outsourced pharmacy services, was part of a wider strategy for Cara’s founders, husband-and-wife team Ramona and Canice Nicholas.   From a single store in Donegal in 2002, the couple had expanded the business to 14 outlets before the Abbey deal, with a growing…