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Corporation Tax Calculator

Corporation tax is payable on your taxable profits if you are a limited company, or an unincorporated association such as a club or co-operative.

Foreign companies with an office or branch in the UK are liable for Corporation Tax on the profits from activities in the UK.

The current rate of Corporation Tax is 20%, from 1st April 2015.

(in the July 2015 budget the Chancellor annouced rates of 19% for 2017 and 18% by 2020, these are included below for comparison)

Previous years had different tax bands based on the amount of profit (see table below), this will be taken into account for the relevant calculation. The earliest date this calculator goes back to is 1st April 2012

Tax Year: the governments tax year is from 1st April to 31st March the following year. If your financial year is different to this then the tax will be calculated in proportion against the governments period.

Calculations can be saved to a table by clicking the "Add to Table" button.

(The table appears the first time the button is clicked)

There is also the option to create a PDF document

Corporation Tax
Corporaton Tax Calculator
Financial Period
Financial Year start date (dd/mm/yyyy format) The start date of your financial year.
Financial Period Date range based on start date
List of Profits
Trading Profit Trading profit for the period
Investments Profit Profit from investments over the period
Profit from Assets sold Profits from any asset sold over the period
Taxable Profits total Total of the profits entered
Tax Payable
Period Taxable Amount Tax Rate (%) Tax Due Balance
2017 and 2020 comparison
2017 Tax Rate
2020 Tax Rate
This calculator incorporates the following rates:
Financial Period Details Rate
01/04/2015 to 31/03/2016 Current Rate 20 %
01/04/2014 to 31/03/2015 Small Profits Rate (£300,000 or lower) 20 %
Main Rate (over £300,000) 21 %
01/04/2013 to 31/03/2014 Small Profits Rate (£300,000 or lower) 20 %
Main Rate (over £300,000) 23 %
01/04/2012 to 31/03/2013 Small Profits Rate (£300,000 or lower) 20 %
Main Rate (over £300,000) 24 %

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