Compare Italy and United States corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Published — Italy: 2/14/2024 · United States: 2/14/2024 · Time of Update — Italy: 9/26/2026 · United States: 9/21/2026
Published — Italy: 2/14/2024 · United States: 2/14/2024 · Time of Update — Italy: 9/26/2026 · United States: 9/21/2026
Corporate Income Tax (CIT)
Italy
United States
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General CIT Rate:
24
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General CIT Rate:
Federal corporate income tax: 21%. State corporate income tax varies by state, and some states do not impose one.
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CIT Return Due Date:
By the end of the 10th month after the end of the tax year.
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CIT Return Due Date:
April 15 for calendar-year corporations (15th day of the 4th month after the tax year-end); a 6-month filing extension to October 15 is available. State income tax returns usually follow the federal due date, with a few exceptions.
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CIT Payment Due Date:
The last day of the sixth month after the end of the tax year.
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CIT Payment Due Date:
Tax must be fully paid by the original due date of the return (April 15 for calendar-year corporations); the final estimated instalment is due on the 15th day of the 12th month of the tax year.
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CIT Estimated Payment Due Date:
Advance payment: 1) Pay 40% on the last day of the sixth month after the end of the tax year, 2) Pay 60% at the end of the eleventh month after the end of the tax year. Taxpayers subject to the ISA reliability indices pay 50% in each instalment.
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CIT Estimated Payment Due Date:
Four equal instalments of estimated tax, due by the 15th day of the 4th, 6th, 9th and 12th months of the tax year (April 15, June 15, September 15 and December 15 for calendar-year corporations).
Capital gains are subject to the normal corporate income tax rate. A gain on a shareholding realised by a company is exempt as to 95% of its amount where four cumulative conditions are met: uninterrupted possession from the first day of the twelfth month before the disposal; classification among financial fixed assets in the first balance sheet closed during the holding period; the participated company not being resident or located in a preferential tax regime, that condition holding uninterruptedly for the period the statute requires; and the participated company carrying on a commercial enterprise, which is conclusively presumed absent where its assets consist mainly of property not used in its own business, and which must have been satisfied from the beginning of the third tax period before the disposal. The remaining 5% of the gain is taxed as business income.
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General Capital Gain Tax Rate:
21% (aligned with the federal CIT rate for corporations)
Effective Tax Rate (ETR)
Italy
United States
percent
Composite Effective Average Tax Rate:
21.18%
percent
Composite Effective Average Tax Rate:
22.69
percent
Composite Effective Marginal Tax Rate:
-22.74%
percent
Composite Effective Marginal Tax Rate:
7.03
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