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See our tax calendar for the rest of 2025/26
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JANUARY
- 31 January – Major deadline
- Online Self-Assessment return due
- Tax payment due
- First payment on account for next tax year (if applicable)
- Late filing penalties start immediately after this date
FEBRUARY
- Review cashflow after January tax payment
- Adjust payments on account if income has fallen
MARCH
- Final chance to:
- Use ISA allowance
- Make pension contributions for the tax year
- Offset capital gains and losses
- VAT returns due if quarter ended 28 February
Ongoing / Recurring Deadlines
Monthly
- 22nd of each month – PAYE and NIC payments (electronic)
- Payroll submissions (RTI)
Quarterly
- VAT returns – 1 month + 7 days after period end
Annual (Companies)
- Corporation tax payment – 9 months and 1 day after accounting period end
- CT600 filing – 12 months after accounting period end
- Confirmation Statement – every 12 months
- Company accounts – usually 9 months after year end
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