"And if you started to protect existing industries against others, others will start to protect against your expertise in those industries of the future, that will undoubtedly make this great country even more prosperous in the future."

He also strongly urged Mr Trump to respect what he saw as the greatest of American values – “freedom and tolerance” – which he described as “incredibly precious”.

"I know that sometimes you can look around the world, and see these so-called strongmen leaders, in places like Russia or other countries, and think they get things done quicker. Actually they don’t.

"This is still the most successful country on earth. You are at the cutting edge of all the industries of the future. You have an educated and trained workforce, and I am sure you will do even more to do that in the future.

"And this is the country that people aspire to. People want to be like the United Kingdom, or the US People want to live in our countries. They believe in our values, they believe we have the keys to unlock the progress they want to see."