Italian companies face two main taxes on their business income: IRES (Imposta sul Reddito delle Societa) and IRAP (Imposta Regionale sulle Attivita Produttive). Together, they create a combined effective corporate tax rate that business owners must understand for proper financial planning.
IRES: The Corporate Income Tax
IRES is Italy's national corporate income tax, applied at a flat rate of 24% on taxable profit. It applies to:
- SRL (Societa a Responsabilita Limitata — limited liability companies)
- SpA (Societa per Azioni — joint-stock companies)
- SapA (Societa in Accomandita per Azioni)
- Cooperatives and other corporate entities
The IRES taxable base starts from the civil law profit (utile civilistico) shown in the bilancio, adjusted for tax-specific rules on deductible and non-deductible items.
IRAP: The Regional Business Tax
IRAP is a regional tax levied on the "net production value" (valore della produzione netta) of businesses. Key characteristics:
- Standard rate: 3.9%, though regions can adjust this by up to ±0.92 percentage points
- Tax base: Calculated as the difference between production value (item A of the conto economico) and production costs (item B), with significant adjustments
- Critical difference: Personnel costs (item B.9 of the conto economico) are generally NOT deductible for IRAP purposes
The non-deductibility of personnel costs makes IRAP particularly burdensome for labor-intensive businesses. A company with €1 million in revenue and €800,000 in staff costs would have an IRAP base of approximately €1 million (not €200,000), resulting in €39,000 in IRAP rather than €7,800.
Combined Effective Tax Rate
The combined IRES and IRAP burden on corporate profits is:
- IRES: 24%
- IRAP: 3.9% (on a different, often larger base)
- Dividend withholding: 26% on distributions to individual shareholders
For a company distributing all profits as dividends, the total tax on corporate earnings can reach approximately 48-50% by the time income reaches the shareholder, though this varies based on the relationship between IRES and IRAP tax bases.
Key Deductions and Adjustments
Several important rules affect the calculation of IRES and IRAP:
- ACE (Aiuto alla Crescita Economica): A notional deduction on equity increases, encouraging businesses to use equity rather than debt financing
- Ammortamento: Depreciation of fixed assets follows specific tax rates that may differ from accounting depreciation
- Perdite fiscali: Tax losses can be carried forward indefinitely but can only offset up to 80% of taxable income in future years
- IRAP deductibility: 10% of IRAP paid is deductible from IRES taxable income, plus the portion attributable to personnel costs
Advance Tax Payments (Acconti)
Both IRES and IRAP require advance payments:
- First installment: 40% by June 30th (or July 30th with 0.40% surcharge)
- Second installment: 60% by November 30th
- The base for calculation is 100% of the prior year's tax (historical method) or the estimated current year's tax (forecast method)
Tax Planning Strategies
- Optimize salary vs dividend mix: Finding the right balance between administrator compensation (deductible for IRES) and dividend distribution can reduce the overall tax burden
- Patent box regime: Reduced taxation on income from intellectual property and patents
- R&D tax credit: Tax credits for research and development activities, innovation, and design
- Super/Iper ammortamento: Enhanced depreciation allowances for investments in Industry 4.0 technologies
Use our IRAP calculator to estimate your regional business tax obligation.