1st May 2017
Corporation tax for year to 31/07/16 (unless quarterly payments apply)
19th May 2017
PAYE & NIC deductions, and CIS return and tax, for month to 5/5/17 (due 22/05 if you pay electronically)
1st June 2017
Corporation tax for year to 31/8/16 (unless pay quarterly)
19th June 2017
PAYE & NIC deductions, and CIS return and tax, for month to 5/6/17 (due 22/06 if you pay electronically)