Tax deadlines for 2025 – key dates for your calendar

Minimise stress – Stay ahead with your 2025 tax planning

Ask any business owner, and they’ll often say that one of the biggest causes of stress is managing their tax deadlines. Getting taxes paid on time is often tied up with cash flow. The obligations can feel overwhelming—especially when there are multiple deadlines to remember throughout the year.

Missing an important tax date could lead to penalties and unnecessary stress. In truth, the only real answer is to stay organised and informed. That’s how we can all avoid costly mistakes. In this guide, we’ll walk you through the key tax deadlines for 2025, ensuring you have everything you need to plan ahead and stay compliant.

Why early preparation matters

Early tax preparation can make a significant difference to your financial peace of mind. When you plan ahead, you can

– Avoid last minute filing stress

– Reduce the risk of errors and costly mistakes

– Maximise your use of allowances and reliefs

• By preparing early, you’ll also have more time to address any unexpected issues that might arise.

Key tax deadlines for 2025

To help you stay on track, here are the critical tax dates for 2025, broken down by taxpayer type.

Self-assessment taxpayers

– 31 July 2025 – Second payment on account for the 2024/25 tax year (if applicable).

– 31 January 2025 – Deadline for online self-assessment filing and payment for the 2023/24 tax year

– 5 April 2025 – End of the 2024/25 tax year.

– 6 April 2025 – Start of the 2025/26 tax year.

Avoid missing deadlines – helpful reminders

Avoiding missed deadlines is easier when you have the right tools and support in place. Here are some tips to help you stay on top of your tax obligations:

Digital tools – Use accounting software, tax apps, or digital calendars to set automatic reminders for upcoming deadlines.

Professional support – Consider working with a tax advisor to ensure you’re not missing key dates and to help with accurate filings.

Managing your tax obligations doesn’t have to be stressful. At Dux Advisory, we help you stay compliant and organised with tailored financial advice, tax filing support, and proactive reminders.

What’s your situation?

Are you self-employed? Do you need help with self-assessment?

Are you a limited company that has to pay corporation tax and deal with VAT returns?

Maybe you have capital gains reporting to sort out?

Either way, here at Dux Advisory, we’re here to provide expert guidance with every element of your tax affairs.

We’re committed to making your financial journey as smooth as possible. Our expert team supports personal and business clients with timely tax planning, filing assistance, and compliance advice tailored to your unique circumstances. From submitting self-assessments to handling corporation tax and VAT, we’re here to help you focus on your goals while we handle the numbers.

Tax deadlines may feel like an unavoidable part of life, but with the right support, they don’t have to be a burden. Mark these key 2025 dates in your calendar and make tax planning a priority. If you’d like personalised support and advice, contact Dux Advisory today and let us help you stay ahead.

Get in touch – we’re here to help.