Self Assessment Tax Return (SA100)

The power of digital technology has made it easier to submit your SA100 tax return to HMRC. No more tiresome calculations or never-ending paperwork. With Affotax, you can quickly and easily report your earnings, outlays, and deductions, guaranteeing that your tax calculation is precise and complies with the most recent laws. 

We agree that tax laws may be complicated, and the UK has the world's longest tax code! However, it would be best not to worry, as we have you covered. With our expert assistance, you may feel secure knowing your tax return is in good hands. In addition, we provide you with a low, fixed fee so you can concentrate on what truly matters–managing your business. Let us help you avoid the stress of tax season.

Basic Self Assessment Package

Simplify your tax filing with our Basic Package. Designed for individuals with straightforward tax affairs and having yearly Income < £12,500.

Package includes:

  • Self-assessment tax return (SA100) preparations.
  • Review of income, expenses and deductions.
  • Submission to HMRC.


Premium Self Assessment Package

Simplify your tax filing with our Premium Package. Designed for individuals with complex tax affairs and having yearly Income > £12,500.

Package includes:

  • Self-assessment tax return (SA100) preparations.
  • Review of income, expenses and deductions.
  • Submission to HMRC.
  • Tax planning to ensure you pay the minimum tax.


Simplify Your Tax Journey with Our Self Assessment Tax Return (SA100) Service:

📊 Effortless enrollment: Our Self Assessment Tax Return service offers an effortless enrollment process that will guide you to self-assessment preparation.

🔒 Your security is our priority: Our service handles your personal information with the utmost confidentiality. We ensure your peace of mind throughout the entire process.

📋 Expert handling: Affotax manages registration submissions with precision. We provide accurate and timely enrollment. You can trust us to navigate the complexities.

🗣️ Personalised assistance: Do you need personalised assistance? We have got you covered. Our expert team provides personalised support, and we guide you every step of the way.

⏱️ Optimise your resources: When you trust us with your Self Assessment registration, you free up valuable time and resources. Focus on your priorities while we handle the details.

 Choose confidence: Start your tax journey with ease and assurance. Be confident while opting for our Self Assessment service because we won’t disappoint you.

Let us be your guide, ensuring your start is smooth and stress-free. Ready to simplify your tax obligations? Let's get started! 🚀📈


1. Have you ever heard of a self-assessment tax return?  

Individuals use a UK tax form to report their income, expenses, and deductions to HM Revenue and Customs (HMRC) to calculate income tax accurately.

2. Who needs to complete the SA100?

Individuals with certain types of income, including self-employed individuals, those earning additional income, and those with complex financial situations, must complete the Self Assessment Tax Return. 

3. How does the SA100 process work?

The process of filling out the Self Assessment Tax Return is quite straightforward. You provide the details of your income, expenses, and deductions on the form, which can be submitted to HMRC either through their online platform or by mail.

4. What are the benefits of using your Basic SA100 Tax Return Assistance Package?

Our Basic Package offers step-by-step guidance on completing the tax form, reviewing your financial details, and accurate submission to HMRC. It's perfect for those with straightforward tax affairs. 

5. How can the Comprehensive SA100 Tax Management Package benefit me?

If you have a complex financial situation, the Comprehensive Self-Assessment Tax Management Package may suit you better. This package includes a thorough review of your financial details, personalised tax planning, and assistance completing the tax form to ensure you optimise your tax position.

6. Is the SA100 submission deadline the same every year?

Typically, the deadline for online submissions is January 31st, while the deadline for paper submissions is October 31st. It's essential to meet these deadlines to avoid any penalties. 

7. What happens if I need to correct my SA100 form? 

Don't worry. You can correct any errors within a specific timeframe. Our packages include guidance on how to make corrections if needed. 

8. Can I benefit from these packages if I'm self-employed or have multiple sources of income?

Our packages cater to individuals with various financial complexities, offering appropriate levels of support for accurate and compliant submission of the Self Assessment Tax Return. 

9. How do I get started with your SA100 Tax Return packages?

Choose the package that suits your needs, follow the instructions to purchase, and our experienced team will guide you through the process, ensuring accurate and timely completion. 

10. Do you still have questions or need personalised advice?  

No problem. Feel free to contact us for personalised assistance, solutions, or further inquiries about the Self Assessment Tax Return. We're here to support you throughout the process.

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