United States vs United Kingdom

Federal corporate income tax: 21%. State CIT generally ranges from 1% to 10% (although some states do not impose CIT) and is deductible for federal CIT purposes.

1. Companies with profits exceeding £250,000 are subject to a main rate of 25% (effective from 1 April 2023).
2. Companies with profits not exceeding £50,000 are subject to a small profits rate of 19% (effective from 1 April 2023).
3. A tapered tax rate applies to profits falling between £50,000 and £250,000.

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.

Tax returns need to be submitted within one year after the end of the accounting period.

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.

According to the scale of the payment company, there may be differences. For more information, please refer to the UK company summary.

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).

According to the scale of the payment company, there may be differences. For more information, please refer to the UK company summary.

0/0/0

0/20/20

30/30/30

0/20/20

NA

20

21% (aligned with the federal CIT rate for corporations)

Capital gains are subject to the regular corporate tax rate.

22.69

22.55

7.03

11.51