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The inventor of the vacuum cleaner by the same name was a vocal champion of leaving the European Union in the run-up to the historic vote. With an estimated fortune of £3.2bn, the businessman has been firm in his opinion Britain should leave the single market. When asked if the UK should have remain European single market, he said: “We should be absolutely out. “If Europe wants to have free trade with us that’s great if they don’t we won’t but I don’t think it’s a problem, Its a very minor issue.

BBC The businessman has been firm in his opinion Britain should leave the single market

“But I can’t believe they won’t want free trade with us.” As prime minister Theresa May and ministers flesh out the technicalities of Brexit, the issue of remaining in the single market is a contentious one.

Brexit: What happens next Fri, June 24, 2016 After yesterday's referendum, here is a look at what will happen immediately following the historic vote for Britain to leave the EU. Play slideshow AFP/Getty Images 1 of 14 Brexit: What to expect next

Hard-line Brexiteers want to extricate the UK from the European Union, including the single market, but Mrs May has repeatedly dodged questions on the issue. During PMQ’s she said she was not going to give a “running commentary” on negotiations, and refused to disclose her position as to jeopardise the UK’s bargaining power.

GETTY He added the UK should focus on boosting global trade

Previously speaking on the issue, Sir James said: “The EU would be committing commercial suicide to impose a tariff because we import £100bn [of goods] and we only send £10bn there.” And he pointed towards the fresh opportunities Brexit will bring, regardless of whether the UK remains in the single market.

The 69-year-old said: “It is a positive because we can now negotiate trade agreements with countries much more easily and flexibly on our own then we ever could with 29 countries in Europe. “We don’t have those problems, we are on our own, we can negotiated a very rapid trade agreement with other countries.”

GETTY Hard-line Brexiteers want to extricate the UK from the European Union, including the single market

If Europe wants to have free trade with us that’s great if they don’t we won’t Sir James Dyson

He added the UK should focus on boosting global trade, and the economy should flourish now that it has been liberated from the EU. Sir Dyson said: “The last thing I would ever want to do is to put myself in somebody else’s hands. Not just the other countries, but the Brussels bureaucrats.”

GETTY Sir James Dyson has rejected the idea of staying in the single market post-Brexit