Register for Corporation Tax when you start doing business or restart a dormant business. Unincorporated associations must write to HMRC.
Keep accounting records and prepare a Company Tax Return to work out how much Corporation Tax to pay.
Pay Corporation Tax or report if you have nothing to pay by your deadline - this is usually 9 months and 1 day after the end of your ‘accounting period’.
File your Company Tax Return by your deadline - this is usually 12 months after the end of your accounting period.