Tax calendar

The red text indicates an entry relevant to companies and employers, black refers to personal tax, and bold indicates an important item.

Click on an item to find out more detail of how it may affect you.

If you would like to receive email reminders before these key tax dates from our taxREMINDER system, then click here to register on our website. If you have already registered and would like to change your taxREMINDER options then click to log on.

July 2018

This deadline is relevant to small employers and contractors only. As a small employer with income tax, national insurance and student loan deductions of less than £1,500 a month you are required to make payment to HMRC of the income tax, national insurance and student loan deductions on a quarterly basis.

Where the payment is made electronically the deadline for receipt of cleared payment is Friday 20th July 2018 unless you are able to arrange a 'Faster Payment' to clear on or by Sunday 22nd July. In year interest will be charged if payment is made late. Penalties also apply.

This deadline is relevant to individuals who need to complete a self assessment tax return and make direct payments to HMRC in respect of their income tax, Class 4 NI, capital gains tax and High Income Child Benefit Charge liabilities.

The second payment on account in respect of income tax and any Class 4 NI is due for payment by 31st July 2018. Interest is charged on any late payments.

If we have already dealt with this matter on your behalf you need take no action.

October 2018

This deadline is relevant to small employers only. As a small employer with income tax, national insurance and student loan deductions of less than £1,500 a month you are required to make payment to HMRC of the income tax, national insurance and student loan deductions on a quarterly basis.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd October 2018. In year interest will be charged if payment is made late. Penalties also apply.

This deadline is relevant to individuals who need to complete a self assessment tax return for 2017/18 and wish to file the return in a 'paper' form. Self assessment returns submitted after this date must be submitted electronically.

Please note that this deadline is not relevant if we are going to submit an online return for you or you are going to deal with the completion of an online return yourself. The deadline for submission of online returns is 31 January 2019.

If we are already dealing with this matter on your behalf you need take no action.

This deadline is only relevant for those individuals who complete a 'paper' self assessment tax return and who are employees. Where you have an underpayment you may request that HMRC collect the tax outstanding by making an adjustment to your tax code for the year 2019/20.

Please note that where your return is submitted online then the filing deadline for 'coding out' is 30 December 2018.

If we are already dealing with this matter on your behalf you need take no action.