This article, while not claiming to be exhaustive, identifies six areas that the authors believe have led to less than efficient merger regimes. In response, it identifies six potential solutions drawn from ICN guidance and current agency practice that the authors believe will directly improve merger control reviews across the globe if implemented consistently by all agencies. The recommendations made are intended to be pragmatic solutions that will allow competition authorities to more efficiently obtain the information they need to make quicker, better, and more informed decisions whether or not to challenge a transaction while at the same time reducing the burden on merging parties.