Mauritius does not have any exchange controls so assets can be held in any country and in almost any currency anywhere in the world.  Mauritius has a number of tax efficiencies as described in the table below:

Mauritius South Africa
Exchange control regulations in place No Yes
Personal income tax rate 15% (a solidarity tax is leviable on income above MUR 3 million) 18% to 45% depending on the level of income
Capital gains tax for companies Calculated as part of the company’s profits at a maximum rate of 15% 22.40%
Capital gains tax for individuals None Depending on the level of income and linked to the personal tax rate
Dividends withholding tax None (but can be subject to the solidarity tax under certain conditions) 20.00%
Effective corporate tax rate on investment business 3% 28%
Donations tax None 20% on donations between R100,000 and R35 million and 25% on donations above R35 million
Inheritance tax None 20% estate duty