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File Your 2025/26 HMRC Self Assessment Tax Return Online

File early to know your tax bill sooner. Our expert UK accountants handle the paperwork so you can focus on your business all year long.

  • Dedicated Account Manager

  • No Hidden Fee's & Stress Free

  • Real accountants handle everything, not softwares

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Start My Tax Return

File Your Tax Return in 3 Simple Steps

Start Online

Fill out a quick online form with your basic details in just a few minutes. No complicated paperwork, our system is designed for self-employed individuals, landlords, and freelancers.

We Do the Work

Our HMRC-registered accountants review your information, prepare your tax return, and make sure everything is accurate and compliant.​ We’ll highlight possible allowances or rebates so you don’t miss out on savings.

Relax & Stay Compliant

We submit your tax return securely to HMRC on your behalf.​ You’ll receive confirmation once it’s filed, and you can rest easy knowing you’ve avoided penalties and fines.

Start your self employed tax return now

Filing your tax return has never been easier start online now and we’ll do the rest for you

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What You’ll Need to File ?

To complete your Self Assessment Tax Return online, you may need:

  • P45, P60, or P11D forms from employment
  • Records of untaxed income (freelance, property, dividends, etc.)
  • Details of expenses and allowances you want to claim
  • Capital gains or overseas income records
  • If you're claiming a tax rebate for expenses of over £2,514

Why Choose Tax2u for Your Self Assessment Tax Return Online?

  • Expert Self Assessment Tax Return service UK
  • File your HMRC tax return online quickly & securely
  • Maximise your refunds by claiming all reliefs and expenses
  • 100% HMRC compliant, handled by experienced tax professionals
  • Professional fees, insurances, or marketing costs.

Over 10,000 Self Assessment tax returns filed successfully across the UK.

Who Needs to File a Self Assessment Tax Return?

You’ll need to file a Self Assessment if you:

  • Are self-employed or in a partnership
  • Are a company director
  • Earn rental income from property
  • Have savings, dividends, or investments not taxed at source
  • Claim Child Benefit with income over £50,000
  • Receive overseas income or capital gains
  • Have sold assets such as shares or property

If you’re not sure whether you need to submit a tax return, our team will guide you.

Frequently asked questions

When is the deadline to file a Self Assessment Tax Return?

The HMRC Self Assessment deadline is 31st January following the end of the tax year. For example, the 2024/25 tax year ends on 5 April 2025, so the deadline to file online is 31 January 2026. Filing late can result in penalties, so it’s best to submit early.

How much does it cost to file a Self Assessment Tax Return online?

At Tax2u, we offer an affordable Self Assessment Tax Return service in the UK. Prices start from £135+vat

Can I get help with my HMRC Self Assessment Tax Return?

Yes — Tax2u specialises in providing expert help with Self Assessment Tax Returns. Our team checks your documents, ensures everything is filed correctly, and helps you claim all eligible tax reliefs and expenses to maximise your refund.

What happens if I miss the Self Assessment deadline?

If you miss the HMRC Self Assessment deadline, you may face:

  • An immediate £100 late filing penalty
  • Additional daily fines after 3 months
  • Interest on unpaid tax

Using our service ensures you never miss deadlines.

Can I claim a refund with my Self Assessment?

Yes — many people overpay tax without realising. Through your Self Assessment Tax Return online, you can claim refunds for:

  • Work-related expenses
  • Mileage and travel costs
  • Professional fees and subscriptions
  • Other allowable deductions

Our experts make sure you don’t miss out on money HMRC owes you.

Ready to File Your Self Assessment?​

Our experienced team ensures accuracy and compliance, giving you complete peace of mind.