UK’s Super-Rich Are Facing a Charm Offensive to Quit Britain

The Jumeirah hotel in London’s Knightsbridge has rooms at more than £6,000 ($7,600) a night, with marble bathrooms, private dining rooms and panoramic views. It showcases some of the best of what London has to offer the world’s super-rich, but another city was the focus for well-heeled investors at a recent invite-only event: Abu Dhabi.

That was just one recent example of a global wealth hub pitching to the UK’s rich foreign residents amid plans by Keir Starmer’s Labour government to curb their preferential tax treatment. Known as non-doms, they range from multi-billionaires to London bankers — and are seen ...