you need to pay Corporation Tax before you file your company tax return. the deadline to pay is nine months and one day after the end of your accounting period for your previous financial year – so if your accounting period ends on 31 March, your Corporation Tax deadline is 1 January.

Can I shorten my accounting period?

You can shorten your company’s financial year as many times as you like – the minimum period you can shorten it by is 1 day. You can lengthen your company’s financial year: to a maximum of 18 months, or longer if your company’s in administration. once every 5 years.

Can a company file a CT600 tax return online?

If your Company cannot use the HMRC website to file its annual Corporation Tax CT600 return, and let’s face it there are only a small number of Companies now that can, what do you do?

Is there an English version of the CT600?

English and Welsh versions of Corporation Tax: Company Tax Return (CT600 (2019) Version 3) have been added. Corporation Tax: Company Tax Return (CT600 (2018) Version 3) has been added. English version of the October 2017 Company Tax Return (CT600 version 3) has been added.

When to use form CT600 for Northern Ireland?

Use form CT600 (2020) Version 3 for accounting periods starting on or after 1 April 2015. This form has been updated in readiness for when a Northern Ireland ( NI) Executive together with the UK Government decide to introduce a devolved rate. See Northern Ireland Corporation Tax regime: draft guidance for more information.

How to claim capital allowances on a corporation tax CT600?

To claim annual investment allowance at easydigitalfiling.com open up the capital allowance page either by clicking the calculator button from the tax calculation page, or by selecting in the supplementary section. Go to the Capital Allowance additions section and click add: