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Your compliance calendar

5 deadlines in the next 12 months — set your business profile for personalised dates

2 This month
5 Total
12 Days to next

April 2026 2 deadlines

ICO data protection fee renewal

Check your ICO data protection registration is current. Most organisations processing personal data must pay the annual fee (£40–£2,900).

Due this month ICO Up to £4,350 (Tier 1)
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End of the tax year

It's the end of the 2025/2026 tax year. Review your tax position and optimise personal tax efficiency.

Due this month
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July 2026 1 deadline

Second Payment on Account deadline

Check your Self Assessment for 'Payment on Account' due. Remember to allow three working days for payment processing.

HMRC
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October 2026 1 deadline

Self Assessment registration deadline

The cut-off date for new Self Assessment registrations. Not registered yet? Get in touch with HMRC.

HMRC
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January 2027 1 deadline

Self Assessment filing and payment deadline

Deadline to file your Self Assessment tax return and pay tax to HMRC. Remember to allow three working days for payment processing.

HMRC £100 initial penalty, then £10/day after 3 months
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