UK Company Filing Calculator

Easily estimate your UK company filing deadlines and requirements with our UK Company Filing Calculator. Quickly check Companies House and HMRC due dates for accounts and tax returns — perfect for accountants and business owners.

Company Filing Deadline Calculator

📊 UK Company Filing Calculator

Calculate your Companies House and HMRC deadlines

Companies House Accounts Due Date
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HMRC Corporation Tax Return Due Date
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Corporation Tax Payment Due Date
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Important Notes:
• Companies House: Accounts must be filed within 9 months of the year-end for private limited companies.
• HMRC: Corporation Tax return must be filed within 12 months of the year-end.
• Corporation Tax payment is due 9 months and 1 day after the year-end.
• These are standard deadlines - always verify with official sources.