Freelancing allows you to choose your projects, set your schedule, and control your work. However, with this independence comes the responsibility to manage your taxes. Understanding your tax responsibilities can feel overwhelming, but it doesn’t have to be.
In the 2024-2025 tax year, over 11.5 million Self Assessment tax returns were submitted on time, with 97.36% of them completed online. This demonstrates that freelancers are handling their tax duties well, so you can too!
We, at Work Your Way, want to help you successfully navigate your freelance journey.
In this article, we will explain your tax responsibilities so you don’t have to worry about them. Let’s simplify taxes for you.
Understanding Essential UK Tax Basics for Freelancers
As a freelancer in the UK, it’s essential to understand the taxes you are required to pay and how to manage them effectively. The main taxes you will deal with are income tax and National Insurance Contributions (NIC).
- Income Tax: Income tax is the tax you pay on the money you earn. The amount you pay depends on your annual income. If you earn over a specific limit, you must pay income tax at the applicable rate.
- National Insurance Contributions: National Insurance Contributions (NIC) help fund the NHS, your state pension, and other benefits. If you are self-employed, you usually pay Class 2 and Class 4 NIC. The payments depend on your income, and these contributions help you qualify for some state benefits.
Recent data from the IFS found that National Insurance contributions are expected to bring in about £170 billion. This amount makes up roughly 20% of the total tax revenue in the UK.
But what qualifies as taxable income? If you are a freelancer, all the money you earn from freelance work counts as taxable income. This includes the following:
- Client fees
- Freelance contracts
- Any side projects
This means you must report every pound gained from your job to HMRC (Her Majesty’s Revenue and Customs).
How Do You Register for Self-Assessment?
When you start freelancing, the first step is to register with HMRC for self-assessment. This allows you to file your annual tax returns. You need to register by October 5th in your second year of freelancing. If you don’t register on time, you might face a penalty.
After you register, you will receive your Unique Taxpayer Reference (UTR) number. You need this number to submit your tax returns. Ensure that your registration information is up to date, particularly if there are any changes to your freelance work.
What Can You Claim?
As a freelancer, one big advantage of the self-assessment system is that you can claim some expenses. This means you can reduce your tax bill by deducting costs that are important for your business.
Here are some examples of expenses you can claim:
- Office equipment like computers and printers.
- Business travel including train fares, fuel costs, and vehicle rentals.
- Software and subscriptions for tools you need to run your business.
- Professional service fees like accounting and insurance.
- Home office expenses like a portion of your rent, utilities, and internet based on how much you use your home for work.
Make sure to keep all receipts and invoices for these expenditures throughout the year. Many apps and tools can help you track your spending. Staying organised will simplify your tax return process.
Important Deadlines to Keep in Mind
In the UK, the tax year starts on April 6th and ends on April 5th the following year. After the tax year ends, you need to send your Self-Assessment tax return to HMRC. Here are some important deadlines to remember:
- October 5th: Register for self-assessment (if it is your first year).
- 31st October: Deadline for paper tax returns
- 31st January: Deadline for online tax returns and payment on any tax owed.
Mark these dates on your calendar and submit your paperwork as early as possible. If you submit it late, you may face penalties; hence, staying organised is crucial to avoid fines.
Common Tax Mistakes to Avoid
Freelancers often make mistakes that can lead to expensive problems. Here are some common errors and tips to avoid them:
- Failing to Keep Receipts: Keep good records of your expenses. If you do not have enough receipts, HMRC might reject your claims.
- Missing Deadlines: Ensure that you submit your tax returns and payments on time to avoid penalties. Pay attention to key dates and try to file your tax return well before the due date.
- Overlooking Tax Reliefs: Freelancers can access various tax reliefs, such as the Marriage Allowance and R & D tax credits. Analyse these options to see if you qualify. This year, over 60% of freelancers may not claim their expenditures, resulting in a loss of more than £1,200 in savings each year.
- Not Paying Enough National Insurance: Pay your NICs on time to keep your access to benefits, including the state pension.
To reduce risks and develop better financial habits, these freelance finance tips provide clear steps for your long-term success.
Conclusion
Paying taxes as a freelancer in the UK can be manageable. Stay organised, track your spending, and understand the basics of self-assessment to handle your tax duties confidently. Keep an eye on important deadlines, register with HMRC, and make sure to claim all the tax deductions you can.
By making small, regular efforts throughout the year, you can make tax season simpler and less stressful. If anything is unclear, seek help from professionals who can guide you.
Taxes are just another part of freelancing, and the more you know, the less you’ll worry. Stay informed, keep up with your responsibilities, and manage taxes as just another manageable task.



