Stay on Top of UK Tax Deadlines with YRF Accountants
Missing a tax deadline can mean costly penalties, late fees, and stress all of which you can avoid with the right guidance. At YRF Accountants, we help businesses and individuals across the UK stay compliant and financially efficient.
This guide breaks down the most important HMRC deadlines in the UK 2025/26 tax year, clearly divided by Individuals and Companies, with payment information included.
🧾 Tax Deadlines for Individuals (2025/26)
Date |
Deadline |
Payment Info |
5 April 2025 |
End of 2024/25 tax year |
- |
6 April 2025 |
Start of 2025/26 tax year |
- |
31 July 2025 |
Second payment on account due for 2024/25 |
Self-Assessment tax |
5 October 2025 |
Deadline to register for Self-Assessment |
If newly self-employed |
31 October 2025 |
Deadline for paper Self-Assessment tax return |
- |
30 December 2025 |
Online return deadline to pay via PAYE |
If eligible through PAYE |
31 January 2026 |
Final Self-Assessment deadline & payment |
Also, first 2025/26 payment on account |
👉 Use our Online Tax Calculators to estimate what you owe for Self-Assessment, National Insurance, or income tax.
🏢 Tax Deadlines for Companies (2025/26)
Date |
Deadline |
Payment Info |
Monthly (by 22nd) |
PAYE/NIC electronic payment deadline |
Avoid late payment interest |
Monthly (by 19th) |
PAYE/NIC cheque payment deadline |
Cheques must clear on time |
Quarterly |
VAT Return submissions |
Due 1 month + 7 days after period end |
Annual |
Corporation Tax payment |
9 months + 1 day after year-end |
Annual |
File Company Tax Return |
12 months after period end |
Rolling |
Confirmation Statement (CS01) |
Due annually on incorporation anniversary |
👉 View all deadlines via our Tax Calendar for monthly reminders.
👉 See the latest Tax Rates and Allowances to plan efficiently.
Why Meeting These Deadlines Matters
Missing HMRC deadlines can result in:
- Late filing penalties
- Interest on underpaid tax
- Lost tax reliefs or eligibility
- More HMRC scrutiny
Let YRF Accountants help you avoid these costly mistakes with expert, proactive support.
💼 Our Services Cover Every Deadline
We provide tailored tax and accounting support for:
- Self-employed professionals
- Limited companies
- CIS contractors
- Landlords and property owners
- Startups and growing businesses
Our tools, reminders, and advisory services ensure nothing slips through the cracks.
Act Now: Stay Compliant and Save Money
YRF Accountants is trusted by business owners across Bolton, Manchester, and the UK.
Let us help you avoid penalties and optimise your tax strategy for 2025/26.
Book a free consultation now to review your deadlines and get a personalised compliance checklist.
❓ FAQs
Q: What happens if I miss the Self-Assessment deadline?
A £100 fine is applied immediately, with further interest or penalties depending on the delay.
Q: How soon should I register for Self-Assessment if I’m newly self-employed?
You must register by 5 October 2025 for the 2024/25 tax year.
Q: Can I handle PAYE and VAT deadlines on my own?
You can but a trusted accountant ensures accuracy and saves you time.