Key Deadlines
Reference dates for common UK filing obligations. Rules are confirmed against official sources before reliance.
Next fixed dates
- Unverified
Self Assessment Filing (Online)
Self-employed individuals, landlords, directors
Tax year: 2025-26
- Unverified
Self Assessment Tax Payment
Self-employed individuals
Tax year: 2025-26
- Unverified
Dates and rules can change. Each deadline below links to its official source so you can confirm the current position. This is a static reference page.
Page last built 16 October 2026
Corporation Tax
Tax on company profits.
Corporation Tax Filing
Limited companies
UnverifiedTax year: Current accounting period
Details
Rule
Corporation tax returns are generally due within 12 months after the end of the accounting period.
Payment deadline is usually 9 months and 1 day after the end of the accounting period.
Source: gov.uk(opens in a new tab)Corporation Tax Payment
Limited companies
UnverifiedTax year: Current accounting period
Details
Rule
Payment of corporation tax is generally due 9 months and 1 day after the end of the accounting period.
This applies where the company is not in a large company payment regime.
Source: gov.uk(opens in a new tab)
VAT
Value Added Tax filings and payments.
VAT Return Filing
VAT-registered businesses
UnverifiedTax year: Current VAT quarter
Details
Rule
VAT returns are generally due 1 month and 7 days after the end of the VAT accounting period.
Standard VAT accounting period is quarterly unless using a different scheme.
Source: gov.uk(opens in a new tab)VAT Payment
VAT-registered businesses
UnverifiedTax year: Current VAT quarter
Details
Rule
VAT payments follow the same deadline as VAT returns (1 month and 7 days after the accounting period).
Late payments may incur penalties and interest.
Source: gov.uk(opens in a new tab)
Self Assessment
Personal tax returns for individuals.
Self Assessment Filing (Online)
Self-employed individuals, landlords, directors
UnverifiedTax year: 2025-26
Details
Rule
Online Self Assessment returns are generally due by 31 January following the end of the tax year.
Paper returns have an earlier deadline (31 October).
Source: gov.uk(opens in a new tab)Self Assessment Tax Payment
Self-employed individuals
UnverifiedTax year: 2025-26
Details
Rule
First payment on account due by 31 January; second by 31 July; balancing payment by 31 January after the tax year.
Payments on account are based on previous year earnings.
Source: gov.uk(opens in a new tab)
PAYE & NI
Employer deductions for staff.
PAYE & NI Monthly Filing
Employers with staff
UnverifiedTax year: Current tax year
Details
Rule
Full Payment Submission (FPS) is due on or before the employee's payday.
Employer Payment Summary (EPS) is due by the 19th of the month following.
Source: gov.uk(opens in a new tab)PAYE & NI Payment
Employers with staff
UnverifiedTax year: Current tax year
Details
Rule
PAYE and National Insurance payments are generally due by the 22nd of the month (electronic) or 19th (by post).
Late payments may incur penalties.
Source: gov.uk(opens in a new tab)
Pensions
Auto-enrolment and pension contributions.
Auto-Enrolment Contributions
Employers with eligible staff
UnverifiedTax year: Current month
Details
Rule
Contributions must be paid to the pension provider by the 22nd of the month following deduction (or 19th by post).
This relates to the monthly contribution cycle, not a fixed annual date.
Source: thepensionsregulator.gov.uk(opens in a new tab)Re-Enrolment Assessment
Employers with staff
UnverifiedTax year: Every 3 years from staging date
Details
Rule
Every three years from the employer's staging date, staff must be reassessed for auto-enrolment.
Re-declaration must also be completed.
Source: thepensionsregulator.gov.uk(opens in a new tab)
Company Filings
Confirmation statements and company accounts.
Confirmation Statement
Limited companies
UnverifiedTax year: Annually
Details
Rule
Confirmation statements must be filed at least once every 12 months.
This confirms company information at Companies House.
Source: gov.uk(opens in a new tab)Company Accounts Filing
Limited companies
UnverifiedTax year: Annually
Details
Rule
First accounts are generally due 21 months after incorporation; subsequent accounts within 9 months after the accounting reference date.
Deadlines vary for first accounts versus subsequent filings.
Source: gov.uk(opens in a new tab)
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