Comparing Tax Regimes: UK Resident Non-Domiciled, Italian Flat Tax, and Swiss Lump Sum Tax
- Knotted.it
- Jun 3, 2024
- 2 min read
When considering relocation for tax benefits, understanding different tax regimes can be crucial. Here, we compare three attractive options: the UK Resident Non-Domiciled (Non-Dom) regime, the Italian Flat Tax regime, and the Swiss Lump Sum Tax.

UK Resident Non-Domiciled Regime
The UK Resident Non-Domiciled (Non-Dom) regime is tailored for individuals who reside in the UK but are not domiciled there. This regime allows non-doms to choose the remittance basis of taxation, meaning they are only taxed on UK income and gains, and on foreign income and gains that are brought into the UK. This system is particularly advantageous for those with significant offshore income, as it can significantly reduce the overall tax burden.
Benefits:
Only taxed on UK income and gains.
Foreign income is taxed only when remitted to the UK.
Attractive for high-net-worth individuals with substantial offshore income.
Italian Flat Tax Regime
Italy's Flat Tax regime, introduced in 2017, aims to attract wealthy individuals to become Italian tax residents. Under this regime, eligible individuals can opt to pay a fixed annual tax of €100,000 on their foreign income, regardless of the amount. Additionally, family members can benefit from a reduced rate of €25,000 per person. The regime is available for up to 15 years, offering long-term stability and predictability in tax planning.
Benefits:
Flat tax of €100,000 on foreign income.
Reduced rate for family members.
Long-term validity up to 15 years.
Predictable tax liability.
Swiss Lump Sum Tax
Switzerland’s Lump Sum Tax regime is designed for foreign nationals who do not engage in gainful employment within Switzerland. The tax is based on the cost of living rather than actual income or wealth, which often results in a lower overall tax burden. This regime is particularly appealing for retirees or wealthy individuals who wish to reside in Switzerland without active business interests in the country.
Benefits:
Tax based on cost of living.
Often results in a lower tax burden.
Ideal for retirees or those not engaged in Swiss business activities.
Conclusion
Choosing the right tax regime depends on individual circumstances and financial goals. The UK Non-Dom regime is ideal for those with substantial offshore income. Italy's Flat Tax offers predictability and long-term benefits for wealthy individuals. Switzerland’s Lump Sum Tax provides a cost-effective option for those looking to retire or live in Switzerland without engaging in local business activities. Consulting with a tax professional is crucial to navigate these options effectively and make an informed decision.
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