Bank Statements for Self Assessment: What to Keep

You don’t send bank statements to HMRC with your Self Assessment return. You keep them, along with the invoices and receipts behind them, and show them if HMRC asks. HMRC’s guidance on what records to keep lists bank statements as acceptable proof, but a statement on its own rarely tells the whole story. This guide covers what to download, how to match it to your paperwork, and how to keep it simple if you work from a van.

Tradetally

Keep Tax Records in One Place

TradeTally helps UK sole traders create invoices, capture receipts and organise tax-ready records in one mobile app.

Visit TradeTally

TL;DR

Keep bank statements for every account you use for business. Don’t send them with the return unless HMRC asks.
A statement shows date, amount and payee. It doesn’t show what you bought, so keep the receipt or invoice too.
Match each statement line to an invoice, receipt or note. Label transfers, drawings and personal spending.
Keep records for at least five years after the 31 January filing deadline for that tax year.
Capture receipts and invoices on the day. It’s far easier than rebuilding a year in January.

Do you send bank statements with your tax return?
Are bank statements the same as receipts?
Which statements should you keep?
How to match bank statements to your records
Why your invoices and your bank balance may disagree
How long should you keep bank statements?
What happens if HMRC asks to see your statements?
Bank statements as proof of self-employment or income
Our view: capture it on the day
Where TradeTally fits
A year-end checklist for tradespeople
FAQ
Sources

Do you send bank statements with your tax return?

No. The return asks for totals: your turnover, your allowable expenses and your profit. HMRC says you must keep records of sales, income and expenses and show them if HMRC asks. Proof can include bank statements, receipts, invoices, till rolls and bank slips.

The tax year runs from 6 April to 5 April. The online return can be filed from 6 April after the tax year ends, and the normal online deadline is 31 January. For 2025/26, that means records covering 6 April 2025 to 5 April 2026, with a return due by 31 January 2027.

Are bank statements the same as receipts?

No, and this is where many tradespeople get caught out. HMRC lists bank statements separately from receipts, invoices and bank slips. A statement normally shows:

the date
the amount
the payee

It may not show what was bought, or whether the cost was wholly and exclusively for the business. A card payment to a builders’ merchant could be copper pipe for a job or a drill for your garage at home. The itemised receipt settles it.

Pro tip: If you pay for something and can’t get a receipt, write a note straight away: date, supplier, what it was, which job. A note made on the day is worth more than a guess made months later.

Which statements should you keep?

Keep statements for every account that touched the business. That includes:

A dedicated business current account.
A personal account you also use for business payments or customer transfers.
Business credit or debit cards.
Payment platforms or card readers where customers pay you, if their statements show income your bank only shows as a lump sum.

GOV.UK says you may be able to use a personal or business account for your business, and to check with your bank which type it allows. If you mix personal and business money in one account, you need to be more disciplined about labelling, because every unexplained line is a question you may have to answer later.

Most banks let you export statements as PDF or a spreadsheet file. Download the full tax year in one go after 5 April, and save a copy somewhere other than your phone.

How to match bank statements to your records

The safest approach is reconciliation, not adding up statement lines. HMRC’s guidance on self-employment expenses makes clear you total your allowable expenses and need evidence for what you claim. Here’s a workable routine.

Step 1: Download every statement

Get 6 April to 5 April for each account. Check there are no missing months.

Step 2: Mark each line

Go line by line and tag it as one of:

customer payment (income)
business expense
transfer between your own accounts
drawings (money you take out for yourself)
personal spending
tax payment

Transfers and drawings are not income or expenses. Leaving them unlabelled is the most common reason totals don’t add up.

Step 3: Match to evidence

For every income line, find the invoice. For every expense line, find the receipt or invoice from the supplier. For fuel and travel, find the mileage log or journey note. Where nothing exists, write a short explanation.

Step 4: Check the gaps

Make a list of anything you can’t match. Ask the supplier for a copy of the invoice or request a duplicate from your bank. If records are lost, HMRC expects you to ask for copies. If you still can’t rebuild the figures, you can use provisional or estimated figures and explain them in the return, though inaccurate figures can lead to interest and penalties.

Step 5: Total by category

Only now add up income and expenses by the categories on the return. Keep the working with your statements.

Why your invoices and your bank balance may disagree

If you’ve ever totalled your invoices and found a different figure from your bank deposits, you’re not necessarily wrong. It depends on your accounting basis.

Under cash basis, the default from 2024/25 for eligible businesses unless they opt out, you record income when you receive it and expenses when you pay them. Under traditional accounting, invoice and bill dates generally drive the entry.

So with cash basis, an invoice you issued in March but got paid in April belongs in the next tax year. Don’t simply total invoices issued. Your bank statement is the evidence of when the money arrived, and your invoice is the evidence of what it was for. You need both. We explain the timing in more detail in our guide to cash basis accounting for UK trades.

How long should you keep bank statements?

GOV.UK says that if you send a Self Assessment return, you need to keep records so you can fill in the return correctly, and HMRC may ask for the documents if it checks the return. The same page sets the retention period: for Self Assessment, at least five years after the 31 January submission deadline for that tax year.

So for the 2025/26 return, due by 31 January 2027, that is until at least 31 January 2032. Our records checklist for sole traders breaks down what to store and for how long.

What happens if HMRC asks to see your statements?

Most people never get asked. If you do, it’s a compliance check, sometimes called a tax enquiry. HMRC will write or call to explain what it wants and why, and may ask for documents or look at business records. If it finds underpaid tax, it can amend the return and charge interest and potentially a penalty.

The request should be proportionate. HMRC’s own manual tells officers to think about how much information they need at each stage of a check, and gives business bank statements as an example of something they might ask for to check income. In practice:

provide the period and accounts that were requested
don’t assume every personal transaction is automatically needed
explain transfers and mixed-use payments so there’s less back and forth
if HMRC issues a formal information notice, you must provide what it asks for unless a valid exception applies

If you receive a letter you don’t understand, speak to an accountant or a tax adviser before you reply. Don’t ignore it.

Bank statements as proof of self-employment or income

People often search for this when applying for a mortgage or a rental. Bank statements help, but they aren’t the usual first document lenders ask for. For filed-tax evidence, you use the SA302.

GOV.UK says you can get your SA302 for the last four years once you’ve sent your return, and it generally can’t be printed until 72 hours after submission. Log in to your online account, open Self Assessment, then choose ‘More details about your Self Assessment returns and payments’. The SA302 shows your total income, allowances and the amount due, and how HMRC worked it out.

The SA302 is not a copy of your bank statements and doesn’t prove every expense. Lenders may also want the separate tax year overview, so download and save both.

To evidence self-employment more generally, keep a consistent trail of customer invoices, payment records, receipts, bank statements and business correspondence. HMRC doesn’t prescribe one particular proof document.

Bank statements as proof of self-employment or income — overview diagram

Our view: capture it on the day

We built TradeTally because most bookkeeping pain comes from one habit: leaving it until the evening, or until January. By then the receipt has faded, the job is a blur and the card payment on your statement says only the merchant’s name.

Our view is simple. A bank statement should be the check on your records, not the source of them. If you capture the invoice and the receipt as the work happens, with the job and the reason attached, the statement just confirms it. Reconciliation becomes a tidy-up rather than a rescue.

Our view: capture it on the day — overview diagram

That’s what the app is for. You create branded invoices and snap receipts from your vehicle, and the records are ready for the Self Assessment export. We still say plainly what no app can do: you remain responsible for checking the figures and keeping the underlying evidence. HMRC accepts paper, digital or bookkeeping-software records and doesn’t mandate any particular app or file format. Software is a way to avoid losing the evidence, not a replacement for it.

The habit that matters most is the five minutes after a job. Photo of the receipt, a line about what it was for, invoice sent. Do that and your statements stop being a puzzle.

— Simon

Where TradeTally fits

If you want one place for invoices, receipts and tax-ready records, TradeTally has a Starter plan at £0 per month and a Professional plan at £12 per month, or £120 per year. Professional gives you full access to unlimited invoices, receipts and tax exports, including the SA103F export. You can compare plans on our pricing page or start from the TradeTally homepage. If you want a free estimate of what you might owe first, try the Self Assessment tax calculator.

For more on receipts, see our guides to digital receipts for sole traders and expense tracking for UK sole traders.

A year-end checklist for tradespeople

After 5 April, work through this list:

Download statements for every business account and card, 6 April to 5 April.
Check no month is missing.
Tag transfers, drawings and personal spending.
Match each customer payment to an invoice.
Match each expense to a receipt, invoice or note.
Check mileage and any cost that mixes business and personal use.
List what’s missing and request copies.
Total by category and save the working.
File, then download your SA302 and tax year overview.
Store everything for at least five years after the 31 January deadline.

FAQ

Does HMRC ask for bank statements?

Not routinely. You don’t send them with your return. If HMRC opens a compliance check, it may ask for business bank statements to check your income, and it should ask for what is relevant and proportionate. Keep them so you can provide them quickly.

Do bank statements count as receipts?

No. HMRC lists them as separate types of proof. A statement shows the date, amount and payee but not what you bought, so keep the itemised receipt or invoice wherever you can get one.

How can I prove my self-employment status?

Keep a consistent trail: customer invoices, payment records, receipts, bank statements, contracts or work records and business correspondence. After you’ve filed, your SA302 and tax year overview are the documents lenders usually want for filed income.

How do I download proof that I filed my tax return?

Log in to your HMRC online account, open Self Assessment, and choose ‘More details about your Self Assessment returns and payments’. You can get the SA302 and tax year overview, but not generally until 72 hours after you submit.

What if I’ve lost some of my records?

Ask your bank or supplier for copies first. If you still can’t rebuild the figures, HMRC allows provisional or estimated figures with an explanation in the return, but inaccurate figures can lead to interest and penalties. For a large gap, talk to an accountant.