DEAN & Reddyhoff and Quay Marinas have signed contracts to merge their businesses. As part of the deal, which was signed on 29 May 2019 for an undisclosed sum, there is a planned £10 million investment programme over the next five years. The combined business will operate the second largest number of coastal marinas with the widest network around the coast of the UK, with 11 marinas in England, Northern Ireland, Scotland and Wales.

Quay Marinas are well known in the north, at Bangor (NI) and Rhu.