AbstractIn the light of the substantial changes to the corporation tax policy implemented gradually by the United Kingdom government over the course of past 6-7 years this paper looks to consider the impact this change had on the mergers and acquisitions activity of foreign companies in the United Kingdom and vice versa. The tax rate has changes from 28% in 2009 to 21% in 2014 and further, having been flat 30% for a decade prior to that.We investigate possible statistical relations between this trend and activity from both host and home countries in mergers and acquisitions deals in the context of the financial crises and subsequent recovery. We also try to exploit few other key features from the hypothesis of tax competition such as: produ...