Resources

UK Tax Calendar

Key dates and deadlines for the tax year — so you never miss a filing.

Tax Year 2026/27

Fixed Deadlines

6 April

Annual Filing

The UK tax year begins. Review your records from the previous year and plan ahead for the new one.

31 May

Payroll

Employers must issue P60 forms to all employees who were on the payroll on 5 April.

6 July

Payroll

Deadline for submitting P11D forms to HMRC, reporting expenses and benefits provided to employees.

31 July

Self Assessment Critical

Second payment on account for Self Assessment is due. This is an advance payment towards next year's tax bill.

5 October

Self Assessment

Deadline to register for Self Assessment with HMRC if you have a new source of untaxed income.

31 October

Self Assessment

Last day to submit a paper Self Assessment tax return. Most people file online, but if you prefer paper, this is your cutoff.

31 January

Self Assessment Critical

Deadline for online Self Assessment tax return filing and payment of any tax owed. Late filing incurs an automatic £100 penalty.

Payroll 19th Monthly

Monthly deadline for PAYE and CIS deductions to reach HMRC (19th by post, 22nd electronically).

VAT 1 Month + 7 Days After Quarter End

VAT-registered businesses must submit their quarterly return and payment one month and seven days after the end of the VAT quarter.

Corporation Tax 9 Months + 1 Day After Year End

Corporation tax is due nine months and one day after the end of the company's accounting period.

Annual Filing 9 Months After Year End

Private limited companies must file annual accounts with Companies House within nine months of the end of their financial year.

We'll keep you on track with proactive reminders and filing support.