If you let out a property in the UK and you are UK non-resident or you are a UK resident that lives...
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Are you unsure about how to file your Self Assessment tax return? Don’t let the complexities of the UK tax system confuse you! At dns accountants, we offer expert services to ensure your tax return is accurate, compliant, and submitted on time. Whether you’re self-employed, a landlord, or someone with multiple incomes, we simplify the process of filing Self Assessment Tax Return for you, avoiding costly penalties and ensuring you only pay what’s required.
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Check your filing requirements and avoid missed deadlines with support from DNS Accountants.
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We help individuals and businesses meet their Self Assessment requirements.
Help with business income, expenses and tax returns.
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Assistance with reporting taxable foreign income correctly.
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Support with multiple income sources and tax matters.
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You’ll need various documents to complete your Self Assessment tax return, such as:
| Deadline | What you need to do |
|---|---|
| 5 October | Register for Self Assessment if you need to file for the previous tax year |
| 31 October | Submit a paper tax return |
| 31 January | Submit an online tax return and pay tax owed |
| 31 January | Pay the first payment on account, where applicable |
| 31 July | Pay the second payment on account, where applicable |
MTD for Income Tax started on 6 April 2026. It initially applies to sole traders and landlords with qualifying income above £50,000
HMRC confirms that the £20,000 threshold applies from 6 April 2028, based on qualifying income for 2026/27.


Don’t let this happen to you! Contact dns accountants today to file your return before the deadline.
Many taxpayers make errors when submitting their Self Assessment tax return. Here are the most common mistakes: :

We're proud to be amongst the best accountants in the UK, demonstrated by the number of awards we've won over the years. We're also a top-100 accounting firm.





















Absolutely amazing accountancy company. Friendly, with a great understanding of what is required following the initial meeting. Quick to advise what requirements need to be met to align with company and individual tax obligations. They were clear how they could help and avoid any unnecessary problems with tax issues through submitting documentation wrongly. We are very satisfied with DNS Accountants, would not hesitate to recommend to everyone. Thank you again DNS excellent service!!

I have used DNS Accountants for the past 3 years and have always had a smooth and professional service by all the teams involved. My thanks to both Debangshu and Yash for their patience in working around all the issues that were raised, in which they always had solutions. Therefore, the stress level that i would normally deal with was removed and dealt with effectively. Thank you.

We (me and my husband) are using DNS for couples of years for our Tax Returns and for 3 years for our LTD as well. We have been happy with DNS Accountants, specifically Elena as our named Accountant.
I would sincerely recommend them to anyone I know, and actually have been recommending them throughout the years.

I have been working with DNS for the last 5 years. They manage my 3 limited companies including the property company as well. Very happy with the services provided by DNS. Especially the account Manager Saurav Kaushik is very helpful and available to support 24/7 with any queries. The tax team provides the best tax-saving tips. Highly recommend to anyone with an IT or property limited company!

A very big thank you to DNS team for their continuous support over the last year and a special thank you to Debangshu Sarkar for his help and prompt support with my self assessment. Truly grateful.

DNS team has been of excellent service in filing my HMRC self assessment return.
Very efficient and excellent service!

This has been a great service for me as a landlord with a small portfolio. My accountant Shivangi has been excellent in looking after my self assessment returns with quick and detailed responses and very helpful and professional approach to her work. I would absolutely recommend the use of this company.

My experience with DNS accountants have been very good. I felt the communication was great and all my questions were answered. They managed to submit my self assessment on time.

I have been with DNS Accountants for 3 years and have been very pleased with their work. I have only a small self-employed income and am always rather last minute, but they have been very good at ensuring that I do ultimately submit my tax returns on time! Thanks Kamaksha!

I have been using DNS for more than 5yrs now. They have been doing VAT returns, Company Accounts, Personal Tax returns, etc...
I have been very happy with their overall service. Also, I would like to say special thanks to Saurav Kaushik one of their team members who has been handling my accounts, etc... Keeps me posted and updates me regularly, and gives the very best personalized service.

Timely and accurate submission of your
Self Assessment tax return to HMRC
Identify deductions and credits to minimize your Self Assessment tax liability
One-on-one guidance to navigate the
complexities of Self Assessment
Assistance with declaring overseas
income and understanding double taxation
Ongoing advice and updates to
keep you tax-efficient throughout the year
or Call: 03300 886 686
All the information you need to help you save tax, run your business and achieve your goals.
If you are considering self-employment or starting a business, then being a sole trader is often the simplest and cheapest way of setting up and running a business.
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If you let out a property in the UK and you are UK non-resident or you are a UK resident that lives...
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There are many benefits to running a limited company instead of being a sole trader and this includes tax benefits and tax efficient ways to pay yourself.
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If you let out a property in the UK and you are UK non-resident or you are a UK resident that lives...
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If you’re self-employed then you will more than likely need to do a Self Assessment tax return.
READ MOREWe support and advise thousands of people just like you across the UK and abroad
with our amazing team of experts.
Self Assessment is a system used by HM Revenue and Customs (HMRC) to collect income tax. If you're self-employed, a landlord, or have other income outside of your regular employment, you may need to complete a Self Assessment tax return
Completing a Self Assessment can be complex and time-consuming. A self-employed accountant can help you navigate the intricacies, ensure accuracy, and potentially save you money by identifying tax-saving opportunities.
Yes, we can assist you with late filings and help minimize penalties and interest charges from HMRC.
Yes, if you are a Director of a limited company, you are generally required to complete a Self Assessment tax return. This is especially true if you receive income that is not taxed at source or if you receive dividends from the company.
Yes, you can file a Self Assessment tax return online through the HMRC website. This is often the most convenient method and allows you to instantly submit your tax return, calculate your tax liability, and receive immediate confirmation.
Yes, if you are operating as a sole trader, you are required to complete a Self Assessment tax return. This is how you will report your business income and expenses to HMRC and calculate your sole trader self assessment tax liability.

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