CT61
End of CT61 quarterly period.
End of CT61 quarterly period.
Research and development expenditure credit changes from 12% to 13%.
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2019 to be submitted to HMRC.
Corporation tax payment due for year end 30 April 2019, for those companies not liable to pay their liability by instalments.