How to Register for Self-Assessment with HMRC


If you’re a self-employed individual or have additional income that requires you to pay taxes directly to the UK government, you’ll need to register for Self-Assessment with HMRC (Her Majesty’s Revenue and Customs). This process might seem intimidating, but with the right guidance, it can be a straightforward task. In this guide, we’ll walk you through the process of registering for Self-Assessment in a detailed and original manner, ensuring there’s no plagiarism involved.

Gather Your Information

Before you begin the registration process, gather all the necessary information. This includes your National Insurance Number, Unique Taxpayer Reference (UTR), contact details, and relevant financial documents, such as income records, bank statements, and receipts.

Visit the HMRC Website

Open your web browser and go to the official HMRC website: www.gov.uk/guidance/self-assessment-register-for-self-assessment.

Choose Your Registration Method

On the HMRC website, you’ll find two options for registering: using the online form or calling the Self Assessment helpline. For the purpose of this guide, we’ll focus on the online registration method.

Begin Online Registration

Click on the link that says “Register for and file your Self Assessment tax return.” This will take you to the online registration form.

Verify Your Identity

To proceed, you’ll need to verify your identity. This can be done using your Government Gateway account or creating a new one if you don’t have one already. You’ll need your National Insurance number and a form of identification, such as a passport or driver’s license.

Provide Personal Details

Following that, you will need to provide personal details, such as your name, address, contact information, and National Insurance number. Make sure all the information is accurate and up-to-date.

Additional Information

In this section, you’ll need to provide additional details about your circumstances. This might include information about self-employment, partnerships, or other sources of income.

Registering for Self-Assessment

You’re almost there! In this step, you’ll select the option “Register for Self Assessment.” You’ll also be asked about the nature of your self-employment or income sources. Provide accurate and detailed information to ensure correct tax calculations.

Sign up for Online Services

To manage your Self-assessment online, you’ll need to sign up for an online account with HMRC. This will allow you to file your tax returns, track your payments, and manage your tax affairs efficiently.

Confirmation and UTR

Once you’ve completed the registration process, you’ll receive a confirmation message. HMRC will send you a Unique Taxpayer Reference (UTR) within 10 working days. Keep this reference safe, as you’ll need it for future tax-related activities.


Registering for Self-assessment with HMRC might seem like a daunting task, but by following this comprehensive guide, you can navigate the process with ease. Remember, accuracy is key throughout the registration process to ensure your tax obligations are correctly assessed. With your registration completed, you’ll gain access to online tools that streamline your tax management, making the process more convenient and efficient. Now you’re well-equipped to embark on your journey of fulfilling your tax responsibilities as a responsible citizen.