The UK also signed a trade deal with Japan in October, which guarantees that 99% of UK exports are duty-free. “I must express my dismay at the foreign minister`s speech. when he opposed trade agreements and praised the virtues. Brexit: UK trade `difficult when Irish border is not resolved` Digital trade between Britain and Singapore is now more important than ever, as businesses are increasingly online in the economy after the pandemic. The agreement will also strengthen trust and collaboration between and between regulators in both countries.