⚠️ We are currently updating our 2021/22 tax guidance across the website
What business records should I keep?
If you are self-employed or a partner in a partnership then you must keep adequate records of your business income and expenses in order to prepare an accurate Self Assessment tax return. This page explains what business records are and how long you need to keep them.
What business records do I need to keep?
As well as maintaining any records you need to retain for other types of income, if you are in business as a self-employed sole trader or in a partnership (including property letting businesses) you need to keep some additional records for your business. You can keep your records on a computer but you should ensure that you can always access these records if, for example, you upgrade your computer or software.
It is very important you keep your personal records separate from those for your business. This is so that if HM Revenue & Customs (HMRC) ask to see your business records, they are completely separate from details of your personal income and expenditure.
Although the accounting records a business needs to keep will vary depending on the size and nature of the business, a general guide would be that a business should aim to keep the following records:
- Record all sales and other business income and retain the records, for example, invoices, bank statements and paying-in slips
- Record all purchases and other business expenses as they arise and ensure, unless the amounts are very small that you keep invoices and receipts
- Keep a record of all purchases and sales of assets, such as capital equipment, which are used in your business
- Record all amounts taken out of the business bank account, from cash or stock, for your own personal use
- Record all amounts paid into the business from your own personal funds, for example, paying for stock with your personal credit card
- If you are claiming mileage allowance for business trips you must record details of the journey, such as date, number of miles travelled, destination and purpose of the business trip
You need to set up a system for keeping your accounting records. You should at the very least have a cash book – this should record payments to and from your bank, cash receipts and payments and any amounts you take out of the business. You may also want to keep a separate record book for your day to day small cash transactions – a petty cash book.
Some specific examples of records you should keep, depending on the type and size of your business, include:
- If you use your own home for your business you need to allocate running costs between private and business use (unless you are using the simplified expenses flat rate)
- A record of all your own or your family's personal drawings from the business. This is money that your family or you take from the business bank account or petty cash for your own purposes
- Details of any hire purchase or leasing arrangements taken out (including rent agreements)
- Details of any money or assets, for example capital equipment, you introduce into your business
- Copies of business bank statements and building society passbooks and/or statements. If you do not have separate business and private accounts you will need to keep an accurate record of which expenses are business and which are private
- Wages records where you have employees, or if you engage subcontractors you need to keep records to support any payments you make
An inventory of any stock on hand (you may decide not to do this if you are using the cash basis
- Unless you use your car or van specifically for the business only you will need to keep a record of business use to include both running costs and fuel (unless you use the simplified expenses for motor expenses)
⚠️ If you have received a grant under the Self-Employment income support scheme (SEISS) then you will need to keep additional records detailing how you were adversely affected, we cover this on our SEISS web page.
Does it matter if I am using the cash basis or simplified expenses?
No, you can use the cash basis or the accruals basis and/or simplified expenses for preparing your accounts as long as you maintain adequate business records to produce an accurate Self Assessment tax return.
Does it make any difference if I am entitled to the trading allowance?
If your trading income is wholly or partially exempt due to the trading allowance (also known as the trading income allowance), HMRC only require you to keep records of your income. However, we recommend that you keep basic records of income and expenses even if you qualify for the trading allowance as this will help you decide whether the trading allowance is beneficial to you as well as helping you monitor how your business is doing.
How long should I keep my business records?
If you are self-employed you need to keep your records for five years from 31 January following the tax year for which the tax return is made. So for example for the 2019/20 tax return the following 31 January will be 31 January 2021 – you must keep your records until 31 January 2026.
However, in some cases you may need to keep the records longer than the above time limit, for example where there is an ongoing investigation by HMRC you will need to keep your records until the end of the enquiry; also if you have submitted your tax returns late you need to keep your records longer.
HMRC may charge a penalty of up to £3,000 per tax year for a failure to keep records or for keeping inadequate records. However, if HMRC identify a failing in record keeping this will often go hand in hand with an under-declaration of profit. HMRC are then most likely to charge penalties (and of course interest on late payment) in respect of any additional tax and National Insurance contributions that become due as a consequence of correcting the under-declaration of profit.
If no business records are kept at all it is very likely that a penalty would be incurred for failing to keep records, in addition to any other penalties HMRC may apply.
If you think you are likely to be charged a penalty by HMRC you should consider seeking help from a professional adviser such as a Chartered Tax Adviser or from the tax charity, TaxAid which gives free tax advice to those on low incomes.
How will Making Tax Digital affect how I need to keep my business records?
Making Tax Digital is a recent HMRC initiative which will eventually introduce the biggest change to the tax system for many years and which is designed to make better use of digital resources and methods to improve accuracy and efficiency when dealing with tax matters.
The first phase of the ‘Making Tax Digital’ programme began in April 2019 and applies to VAT registered businesses. See our page on Making Tax Digital for VAT for more information.
The rollout of the programme more widely to other affected businesses will not be before 2021. However, one key element of the Making Tax Digital initiative is that there will be a legal requirement to maintain business records digitally. This means that some kind of electronic record keeping system will need to be used. This could be an accounting software package, a spreadsheet-based system or maybe via an ‘app’ on a smartphone.
HMRC are not producing their own software or app to enable digital records to be maintained and therefore it will be necessary to choose or purchase a system you feel is suitable for your business and within your budget.
HMRC maintains a list of products that comply with the digital record keeping legislation on GOV.UK.
If you are unable to deal with matters online, for example if you have a disability, or you live in an area where broadband is unreliable, or you just find it difficult to do so, then you may qualify for exemption from complying with the digital record keeping requirements. The method for claiming exemption and what help HMRC can provide if you do not qualify for exemption will be set out once the ‘Making Tax Digital for Business’ programme is rolled out.
Our guide to self-employment is intended to supplement the material in this section. We wrote this guide to help advisers (non-tax) who advise low-income self-employed individuals and also for self-employed people who want more detailed information in one accessible place. The guide explains the less common tax rules and contains more detailed information including a case study showing how to prepare accounts based on the business records you have kept and what to include on your tax return.
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