UK-EU regulatory dialogue key to post-Brexit financial trade - banking official

LONDON (Reuters) - Intense dialogue between British and European Union financial regulators must start now or London risks being cut off from the bloc after Brexit, a top banking lobbyist said on Wednesday.Banks, insurers and asset managers in Britain currently have unfettered access to customers across the EU but this will end after Britain leaves the bloc.Future EU access for UK financial firms will almost certainly be based on "equivalence", whereby Brussels deems that a foreign firm's home..