We send out a a free quarterly email that includes a reminder of their liabilities and due dates for all taxes due.
The basic set of dates for all businesses owners is as follows:
Self Assessment
31 January. Due date for two self assessment payments: the final payment for the previous tax year and the first payment on account for the current tax year. This is also the filing deadline for self assessment returns relating to the previous tax year.
28 February. 5% surcharge applied to self assessment tax still unpaid from the previous tax year.
31 July. Due date for self assessment tax second payment on account for the previous tax year (ie year that ended on the 5th April just past). This is also the deadline for claims relating to tax credits.
5 October. Deadline for telling HMRC that a self assessment tax return is needed for the previous tax year.
Employers
19th of each month is the deadline for PAYE for the month ended on the 5th of that month.
19 January, April, July and October. Deadline for quarterly PAYE payments.
21 January, April, July and October. Deadline for quarterly CIS payments.
2 February, May, August and November are the deadlines for form P46(car) (change of company car details).
19 May. P35 for year ended on 5 April must be filed with HMRC by this date.
31 May. Current employees must be given form P60 by this date.
6 July. Forms P11D must be filed with HMRC. Employees must be given copies.
19 July. Employers Class 1A national insurance on benefits in kind must be paid.
1 October. Minimum wage increases.
Limited Companies
9 months and one day after the year end is the due date for corporation tax assuming that accounts were drawn up for one exact year.
9 months after the year end is the due date for filing accounts at Companies House assuming that accounts were drawn up for one exact year.
12 months after the year end is the deadline for filing company self assessment returns with HMRC.
Care must be taken regarding both of the above dates for a company’s first set of accounts as it is likely the accounts will not cover an exact year from the date of incorporation.
Annual returns must be filed with Companies House within 30 days of the date that the return is made up to (usually the anniversary of the previous return).
14 January, April, July and October are the filing dates for forms CT61 (tax on interest).
6 July. Deadline for form 42.