logo hd OnlineFilings

Self Assessment Tax Return made simple

Make tax season easy with Online Filings. Quickly file a self assessment tax return with HMRC hassle-free. Easy, fast, with expert support.

The Fastest and Simplest self assessment tax filing


1. Provide Your Information

Swiftly input your income, expenses, and personal details. Online Filing users typically save up to 5 hours versus using the HMRC website


2. Tax Calculation

Click 'Submit' to see a detailed breakdown of taxes owed or your tax refund. Your Tax Return is generated, and ready to be sent


3. Review and Edit

Review your details before filing. Use our simple edit feature for effortless modifications. Need help? A tax return filing expert is just a chat away!


4. Your Tax Return is Filed!

Online Filings is securely integrated with HMRC Upon acceptance, you'll get notified immediately along with a PDF copy of your Self Assessment Tax Return

Bespoke Self Assessment Tax Return assistance

Get personalised, unhurried support from our tax return experts. You're not just another number; your satisfaction is our mission.


Self Assessment Tax Return FAQs

Do I need to file a Self Assessment tax return? Here's when it's required in the UK

  1. You're Self-Employed: If your income from self-employment is more than £1,000 in the tax year, you'll need to file a Self Assessment.
  2. You Have Additional Untaxed Income: This includes any earnings from property rental, or from savings and investments over £10,000, plus any foreign income or specific grants or allowances.
  3. You're a Company Director: If you’re a company director with income not included in your PAYE salary, a Self Assessment is required.
  4. Your Income is Over £100,000: Anyone with a yearly pre-tax income exceeding £100,000 must complete a Self Assessment.
  5. You or Your Partner Receive Child Benefit and Earn Over £50,000: If either you or your partner has an adjusted net income above £50,000 and receives child benefit, a Self Assessment filing is necessary.
  6. You are a UK resident with foreign income

What information do I need to file my self assessment tax return?

To file your self assessment tax return, you'll need your National Insurance number and Unique Taxpayer Reference (UTR). Also, you’ll need to gather information on your income sources like self-employment earnings, property rental income, and any untaxed income.

For allowable expenses, consider including costs such as office supplies, expenses related to your home office, and professional fees.

Online Filings, an HMRC recognised provider, offers support in effectively organising these details for your tax filing.

What Happens If I File My Self Assessment Late or Make a Mistake?

If you file your self assessment tax return late, you’ll incur an immediate £100 penalty, which increases over time, emphasising the importance of meeting HMRC deadlines. In case you make a mistake, you can amend your tax return up to 12 months after the original deadline. Our Online Filings HMRC recognised software facilitates these amendments seamlessly and our filing experts provide support throughout the process helping you avoid these penalties and streamline the process with HMRC.

What can I expect after filing my Self Assessment with Online Filings?

After you file your self assessment tax return with Online Filings, our system promptly submits it to HMRC. You'll immediately receive confirmation of acceptance and a PDF copy of your tax return. Post-filing, we provide clear instructions on how to directly make any necessary payments to HMRC. This streamlined process ensures accuracy and speed, giving you confidence that your tax obligations are managed correctly, freeing up your time for other important work tasks.

Why should I choose Online Filings for my Self Assessment tax return?

Online Filings is a top choice for your HMRC tax return and self assessment filing, especially suitable for the self-employed. As an HMRC-recognised provider, our platform simplifies the tax return filing process, whether you're working on a standard SA100 form or managing more complex tax scenarios. With over 150,000 satisfied customers, we ensure your tax return is handled efficiently and accurately. Our intuitive interface eases the process to file your self assessment, complemented by tax return expert support for any queries.

What Deadlines Should I Be Aware of for Filing and Paying?

Being aware of key Self Assessment deadlines is crucial for UK taxpayers. Here's a simplified timeline:

  • 5 October: Deadline to register for Self Assessment, especially important if you're newly self-employed.
  • 31 October: Submit paper tax returns by this date.
  • 30 December: Notify HMRC by this date if you want your Self Assessment bill to be collected via your PAYE tax code (if eligible).
  • 31 January: This is a critical date for online tax returns and payment of your Self Assessment tax bill. Also, for new businesses, it's the deadline to make your first payment on account for the next tax year.
  • 6 April: Marks the start of the new tax year.
  • 31 July: Deadline for your second payment on account.

Online Filings can help you navigate these deadlines with ease. Our platform reminds you of important dates and assists in preparing and filing your returns promptly, whether you're filing online or on paper. With us, you can stay on top of your Self Assessment obligations and avoid late penalties.

What Are Allowable Expenses to Reduce My Self Assessment Tax Liability

You can reduce your tax liability on your Self Assessment by claiming allowable expenses linked to your self-employment or other income sources. Common allowable expenses include office supplies, business-related travel costs, general maintenance and repairs on your buy to let, professional fees etc... Maintaining accurate records of these expenses is critical for validating your claims with HMRC. Online Filings simplifies this process, providing guidance on what expenses are allowable and assisting in keeping detailed records, ensuring you maximise your tax efficiency.

Can Online Filings assist with my Self Assessment registration?

Registering for Self Assessment and obtaining your Unique Taxpayer Reference (UTR) is essential, particularly if you have multiple income sources like self-employment or property rentals. Here's how Online Filings makes it straightforward:

  1. Easy Information Submission: Enter your details on our user-friendly platform.
  2. Complete Filing Management: We handle the entire process - from applying for or reactivating your UTR to managing all paperwork and HMRC communications.
  3. Prompt UTR Delivery: Receive your UTR number securely and swiftly, with our expert team ready to assist you at every stage.

With Online Filings, you're guaranteed a quick, hassle-free Self Assessment registration. Benefit from our personalized support today. Learn more and get started.

Self Assessment Tax Return for everyone

No matter your profession, we'll handle your self assessment tax filing with HMRC for you.


logo online filings

By chat
Click the "Help" button at the bottom right of your screen:
ask for help
Or email us at: support@onlinefilings.co.uk

By phone
monday to friday
10h-12h 14h-16h