January

January

1 Corporation tax due for year end  31st March of previous year.

31 Deadline for online filing of your self assessment tax return

February

February

28 Unpaid balance of tax for previous year

March

March

31 Deadline for submission of corporation tax return for the previous year ended 31st March.

Companies House filing deadline for the year ended 30th June for the previous year.

April

April

4 ISA contribution deadline

5 Tax year-end calculate IR35 pay

6 New tax year starts

19 Deadline for payment of PAYE for previous tax year and IR35 tax.

Submission of end of tax year PAYE declarations to HM Revenue and Customs under RTI

May

May

31 Issue P60’s to employees

June

June

30 Calculate VAT partial exemption adjustment for year end 31st March.

July

July

5 PAYE settlement to be agreed.

6 Forms P11d to be submitted to H M Revenue and Customs for previous tax year.

19 Pay class 1a national insurance

31 Payment of second instalment of tax for the previous tax year.

August

August

September

September

30 Companies House filing deadline for the year ended 31st December of the previous year.

October

October

1 Due date for payment of corporation tax for year ended 31st December of the previous year.

31 Filing deadline for submission of paper based self assessment tax returns for year end 5th April.

November

November

December

December

30 Deadline for filing self assessment tax returns if you want your tax liability to be coded out (if less than £3,000).

31 Due date for submission of corporation tax return for the year ended 31st December of the previous year.