In a speech in northeast England, he also said he would discuss with the EU how regulators could provide clarity to companies during this period.

"We must discuss how regulators and agencies can best provide continuity and clarity during this period in a way that benefits everyone," he said.

"We should approach the implementation period as the bridge to this new relationship. That means each side committing to not taking any action that undermines the other."

(Reporting by Elizabeth Piper and William James; writing by Kate Holton; editing by Michael Holden)