Self Assessment Tax Return (SA100)

The power of digital technology has made it easier to submit your self assessment 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 calculation is precise and complies with the most recent laws. 

We agree that the UK laws may be complicated, and they have 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 filing for self employed is in good hands. In addition, we provide you with a low, fixed fee so you can concentrate on managing and growing your business. Send us a message or get a quote today!

Starter Solution

Our starter package is 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.


Prime Solution

Our premium package is 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.
  • Minimise your tax liability through strategic planning


Why choose our self assessment tax return service?

📊 Effortless enrollment: Our SA100 tax return service offers an effortless enrollment process that will guide you to preparation.

🔒 Your security is our priority: Our bundle 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: Put your trust on us, we can help you free up valuable time and resources, so you can focus on your priorities while we handle the details.

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

Let us be your guide, ensuring your start is smooth and stress-free; let's get started! 🚀📈


1. What is a self assessment tax return SA100?  

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

2. Who needs to complete it?

Individuals with certain types of income, including self-employed individuals, those earning additional income, and those with complex financial situations must submit. 

3. How does the process work?

The process 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 starter package?

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

5. How can the prime package benefit me?

If you have a complex financial situation, the prime package may suit you better. This package includes a thorough review of your financial details, personalised tax planning, and assistance completing the self assessment tax return form to ensure you optimise your position.

6. Is the 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 solutions cater to individuals with various financial complexities, offering appropriate levels of support for accuracy and compliance. 

9. How do I get started?

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

Feel free to contact us for personalised assistance, or further inquiries; we're here to support you throughout the process.

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