All charge 0% personal income tax and 0% capital gains tax. Corporate tax rates vary — a 0% personal rate doesn't always mean 0% for companies.
Cayman Islands and Bahamas charge 0% on both personal and corporate income. UAE applies 0% personal tax but a 9% corporate rate on profits above AED 375,000. Monaco taxes companies at up to 25% if more than a quarter of revenue comes from outside Monaco; French nationals resident in Monaco remain taxed by France under a 1963 treaty.