Sir James, who owns 100% of the company, big supporter of Brexit but the company says the move to Singapore has nothing to do with that e UK leaving the E.U.
Last October, Singapore signed a free trade agreement with the E.U.
The corporate tax is about the same in both countries – 19% in UK, 17% in Singapore.
However, Singapore has no capital gains tax or inheritance tax.
In the UK death duties are 40% on estates over £450,000.
Last year Dyson made a profit of £1.1 billion.