Self-Assessment Tax Return: All Your Questions Answered (2024)

When it comes to your HMRC self-employed tax return as a sole trader, you’ll have lots of questions about what it is, how to do it, and when it’s due.

We’ll answer all of your most commonly asked questions about self-assessment tax returns in this short article.

Let’s get started right away.

What is a self-assessment tax return?

The self-assessment tax return is HMRC’s way of working out how much tax and national insurance you owe when you’re self-employed.

Each year, you disclose how much income you made, the cost of running your business, and from there HMRC works out what you owe.

HMRC follows the financial year which runs from April to April.

The tax man relies on honesty and transparency for this system to work, but the system is open to manipulation. Because of this, HMRC imposes heavy fines for anyone they catch not doing everything above board.

Keeping the taxman happy is important, so make sure you do it.

Is the self-assessment tax return easy to do?

Filling out the actual form is straightforward (even more so since HMRC moved most of the process online).

In its most simple form, you give HMRC two numbers: money made and money spent.

However, it’s all of the work you need to put in to get to this number that can be tricky. It takes attention to detail and organisation.

Online bookkeeping platforms can help, but they still require regular upkeep.

If those skills aren’t your strong points, there are affordable alternatives to accountants like our Bookkeeping and Accounts service which can help.

When are self-assessment tax returns due?

If you’re in your first year of business, your self-assessment tax return is due no later than January 31st after your first tax year. You must also pay the bill by this deadline.

For example, if you started trading in November 2020, your first tax bill would be for the financial year April 2020 – April 2021. That would mean your tax return is due January 31st 2022.

From there, your tax return is due no later than January 31st.

How do I tell HMRC I am self-employed?

Registering as self-employed is easy. You have two options when you’re starting out: sole-trader or limited company.

Sole-trader simply means there is no difference between you and your company. Registering and running a sole-trader business is far simpler than starting a limited company, but they both have their advantages.

If you’re unsure about which to choose, get in touch and we’ll help you.

Assuming the sole-trader route is best for you, you can register here. Don’t worry if you’ve already started trading. HMRC ask when you began trading, so you can backdate it up to a point (you must register as self-employed by the 5th October before your first tax return is due).

Do I need to tell HMRC I am self-employed?

Once you earn over £1000 from a new revenue stream, you should register for self-assessment.

This includes earning money from:

  • Renting property you own
  • Tips and commission
  • Income from investments, savings, and dividends
  • And any foreign income

Making money and not sure you need to tell HMRC? Use this tool to double-check.

Is there a self-assessment tax return form?

Download the SA100 form to submit your tax return by paper by 31st October and pay by 31 January.

Or submit your self-assessment tax return online.

Is there a self-assessment helpline?

There is, yes, but they’re extremely busy.

Since the information you’ll be discussing is confidential, the most secure way of getting their number is directly from HMRC.

Is there a self-assessment tax return course?

Your local business help centre may have a free course for you. These are often delivered by accountants who can answer any of your questions.

Alternatively, spend an hour chatting to us and we’ll tell you everything you need to know, specific to your business, about filling in your self-assessment return correctly and in a tax-efficient way.

Is there an easy way to do your self-assessment tax return?

The easiest way to do your self-assessment tax return is not to do it yourself.

Bookkeeping and accounting services take all the stress and pressure off your shoulders so you can concentrate on your business.

Accountants can be pricey but are often the best bet for anyone who has a limited company or complex income accounts.

Should you be a sole-trader and want someone to cast an expert eye over your books to make sure you’re claiming for everything you’re entitled to, and don’t want to spend hundreds of pounds a month, EMS: Bookkeeping have packages starting at £25+VAT per hour.

What kind of things can I claim as a business expense?

You can claim for things like your car, clothes, working from home, and start-up costs. The allowable expenses list is huge, with hundreds of potential things to claim for.

We’ve summarised things people forget to claim for which could save you hundreds off your self-assessment tax return bill.

Learning everything you can claim for yourself is doable since not everything will apply to your business. We offer a one-off hour-long tax training session to give you specific advice to help get you started.

Did we answer your questions?

If not, get in touch now and we’ll do our best to help you.

Self-Assessment Tax Return: All Your Questions Answered (2024)

FAQs

Why am I being asked to complete a self assessment? ›

If you have any capital gains, you may need to report these too. You also claim any allowances or reliefs (such as for employment expenses) that you are entitled to on the tax return. You then 'self-assess' what you owe by calculating what your tax position is for the tax year and pay any further amounts due to HMRC.

Why does the IRS say my information doesn't match their records? ›

If you've recently changed your name, address, or employment details without notifying the IRS and the Social Security Administration (SSA), your tax return may trigger a mismatch. Ensure that you promptly update your information with both entities to avoid such predicaments.

How hard is self-assessment? ›

Self-assessment can be daunting if you're completing it for the first time – and even if you do it every year, you probably still dread it. However, with a bit of a preparation you make the process quicker, easier and less of a chore.

Why does my IRS account say your information is not available at this time? ›

You may get a message saying the service in unavailable because of a system failure with our application or an error in retrieving your data. You may still see other options available even if you encounter this situation, such as the Get Transcript button or the Payment Activity tab.

How do I get out of self-assessment? ›

You must tell HMRC if you believe you no longer need to send a tax return. If HMRC agrees, they'll send a letter confirming you do not need to file a return. You may have to pay a penalty if HMRC do not agree before the Self Assessment deadline of 31 January.

Why does the IRS say my information doesn't match 2024? ›

IRS mismatches often occur due to discrepancies between your tax return and IRS records, potentially caused by outdated personal information, transcription errors, or third-party mistakes.

What makes the IRS flag your account? ›

The IRS uses a combination of automated and human processes to select which tax returns to audit. Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit.

Why does my return keep getting rejected? ›

If your tax return was rejected, it could be due to a number of reasons – such as missing information. However, there could be another issue, like a name or number that doesn't match up with the data the IRS already has on file.

How long should self assessment answers be? ›

There is no set length for a self-assessment, but it's generally recommended to provide a minimum of several sentences for each accomplishment and focus-area. Anything longer than a paragraph or two may indicate indecision or over-explanation. Each answer should strive to be concise, quantitative and self-reflective.

What is the best way to do your own tax return? ›

The IRS recommends using tax preparation software to e-file for the easiest and most accurate returns and fastest refunds. You may be able to file free online through the IRS Direct File pilot program if you are in one of 12 participating states and have a simple tax return.

How reliable is self assessment? ›

The psychometric properties of self-assessment suggest that it is a reliable assessment technique producing consistent results across items, tasks and contexts and over short time periods.

Why does my refund say no information available? ›

The IRS system might not have updated with your information or refund amount yet. Wait 24-48 hours after filing electronically or 4 weeks after mailing a paper return. Check back again later. Double-check you entered the correct Social Security Number, filing status, and exact refund amount (excluding fees).

Why is there no record of my return at Where's my refund? ›

It takes at least 24 hours after your e-filed return has been accepted by the IRS for your refund information to show up on the IRS system. If you filed Form 8379, Injured Spouse Allocation, with your tax return, it can take 11 weeks before your tax return status is available on the IRS system.

Why won't the IRS process my return? ›

Reasons Your Tax Refund Can Be Delayed

Errors such as an incomplete filing status. Missing information. A need for additional review. Possible identity theft or tax fraud.

What is the main purpose of self-assessment? ›

The purpose of a self-assessment is to help an individual know the extent of their abilities and to improve upon them. It can be daunting to an employee when they first start self-evaluating, but over time it becomes more natural.

What do self assessments tell you? ›

Self-assessment can involve: Objectively assessing your own work. Identifying the strengths and weaknesses of your work. Recognising what you could do to improve your work.

Why complete a self evaluation? ›

The purpose of the evaluation process is to highlight strengths, correct performance weaknesses, and develop unused skills and abilities. In order to do this, you must be willing to recognize areas that need improvement or development.

Why do you want to put yourself through a self-assessment? ›

Your self-assessment is an opportunity to dedicate time to reflect on your achievements and plan for ways to further develop your skills and career. They are also an important planning device, allowing you to work with your managers and the company to apply any learnings and opportunities to your role moving forward.

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