The largest Irish retail banks tend to access the UK market via subsidiaries, which they can continue to do post Brexit, and the provision of banking services through passporting to the Irish economy and citizens is relatively small.
However, new businesses entering Ireland as a response to Brexit will mean a significant transformation of the Irish banking landscape, with a material growth in its size and complexity. Insurance The Irish insurance sector has significant international linkages. Most of this is written by UK and Gibraltar-based insurance firms.