Tax Class Optimizer

Find the class + collective-taxation combo that minimises household tax.

Your incomePartner incomeCountry of residenceIncome sourced in Luxembourg (%)

Frontalier optimizers: best tax class, quasi-résident eligibility and property capital-gains, tuned to your data.

Estimate only — a simplified model, not tax advice.

Lower is better

Quick insights

2 newComputed from your inputs · no account data

Opportunity

Being taxed together (class 2 splitting) lowers your household tax.

Opportunity

With ≥90% of income from Luxembourg you can claim LU deductions as a non-resident.

We compare being taxed separately (each at class 1) against collective taxation on the household total (class 2 splitting).

For non-residents, the 90% rule can unlock LU deductions — the quasi-résident election.

Class-2 splitting90% ruleEstimate, not tax advice

Find the class + collective-taxation combo that minimises household tax.

Your incomePartner incomeCountry of residenceIncome sourced in Luxembourg (%)

Frontalier optimizers: best tax class, quasi-résident eligibility and property capital-gains, tuned to your data.

Estimate only — a simplified model, not tax advice.

Lower is better

2 newComputed from your inputs · no account data

Opportunity

Being taxed together (class 2 splitting) lowers your household tax.

Opportunity

With ≥90% of income from Luxembourg you can claim LU deductions as a non-resident.

We compare being taxed separately (each at class 1) against collective taxation on the household total (class 2 splitting).

For non-residents, the 90% rule can unlock LU deductions — the quasi-résident election.

Class-2 splitting90% ruleEstimate, not tax advice