If you're looking to confirm whether a company is legally registered in the UK, the easiest way is to use the Companies House checker tool to confirm.
Multiple individuals use self assessment tax returns to provide HMRC with the information needed to calculate any tax they owe. This is required for some people, and there are various deadlines and requirements that need to be met by anyone who needs to submit a return. Self assessments can be completed online or by post, and you have multiple options for paying for any tax if it’s calculated that you owe some.
A self assessment tax return is a system whereby individuals inform HMRC about income for the previous tax year that’s liable for taxation. The self assessment is a form used to provide all relevant information to HMRC, who will then calculate what tax you owe. After completing a self assessment, you may be required to pay tax depending on the outcome of information provided.
Many individuals who are employed will automatically pay their tax through the PAYE system, but sole traders, partnerships and other types of individuals will be required to submit a self assessment tax return annually. HMRC may send you a letter requesting that you submit a tax return, but if they do not and you fall under one of the following categories, then you still need to complete a tax return:
Please note: There may be additional circumstances where you are required to submit a self assessment tax return. To confirm whether you are required to complete a return, visit: https://www.gov.uk/check-if-you-need-tax-return
You can register for your self assessment tax return online, which can take up to 20 days to be processed and completed. The process may vary slightly depending on whether you’re self-employed, a member of a partnership or otherwise, but the general steps that will be taken are:
Once your account has been set up, you’ll be in a position where you can start your self-assessment by logging into the portal. You should prepare all of the information needed beforehand to make the process quicker and easier to complete, as you’ll be asked for the following details during the assessment:
Your self assessment is due every year for as long as you meet the eligibility criteria for submitting one. You’ll be required to provide information for the previous financial year, and a failure to submit your returns, or returning them late may result in penalties of £100 and greater.
There are several deadlines depending on whether you're registering, submitting your returns by paper, using the online portal, or paying the tax you owe. For the tax year running between 6 April 2020 - 5 April 2021, the deadlines are as follows:
There are instances where you can extend the period in which you submit or pay for your accounts, but these reasons vary and only apply in specific circumstances. For more information, visit the government page about self assessment deadlines.
If you think you’ve made an error and you need to update your self assessment, you must update the provided information within 2 years by 31 January. For example:
You can make these updates by logging into your government gateway, but you’ll only be able to update the previous and current tax years. If you need to update a tax period that falls outside of this timeframe, you’ll need to contact HMRC.
After completing your self assessment, HMRC will let you know your final tax calculation, which details how much you owe. If you completed your tax return online, you’ll have the option to ‘View your calculation’ which may take up to 72 hours to appear. If you completed a paper return, then you’ll receive a bill by post.
Once you’ve received your bill, you must pay it by 31 January via one of the following methods:
Some payment methods may take longer than others to process, which is essential to consider given the payment deadline. You can learn by visiting the government’s pay self assessment tax bill page.
If you regularly move, live at several addresses, or manage correspondence at several addresses, it can be difficult to keep up-to-date with any mail HMRC sends you. Given the deadlines of submitting information such as your self assessment tax returns, missing any mail sent to you by HMRC can be costly and cause you problems in the future.
Opting to use a virtual address for all of your correspondence relating to your business, HMRC or important mail can help you to manage everything in one place. Regardless of whether you move home, leave the UK or have several properties, your virtual address will remain the same, allowing you to keep up-to-date with mail no matter how your personal situation changes. We provide a virtual address service that allows you to read any of the mail you receive online. To learn more, visit our virtual address page.