Freelancer tax return: the records HMRC actually checks


If HMRC opens an enquiry into your self assessment return, it is rarely dramatic. It usually starts with a polite letter asking for specific records, and the whole thing turns on whether your paperwork answers the questions cleanly. The records that survive an enquiry are also the records that make your tax return easy. Here is what an officer actually asks for, in the order they usually ask.

Your invoices: the first line of defence

The first thing checked is your sales record, meaning every invoice you issued during the year. An officer will compare your declared turnover against your invoice totals, so the habit that matters most is simple: number every invoice in sequence, date each one, and keep copies of all of them, including the ones you cancelled or reissued.

Gaps in invoice numbers raise eyebrows, so note cancelled invoices rather than deleting them. Include the client name, a description of the work, the date of supply and the payment terms on each invoice. If you issue invoices from software, keep the software records backed up; if you use a spreadsheet or a Word template, save PDF copies. Either way, the full set should be complete and in order for the whole year.

Bank statements: the cross-check

HMRC will ask for bank statements, and here is why. Every deposit into your account is income until you can explain otherwise. An officer will pick out transfers, client payments and credits you may have forgotten to include, and ask you to account for them.

This is where a separate business bank account earns its keep. When business and personal money mix in one account, every unusual deposit needs a story. With a dedicated account, the statement is practically your sales ledger. Keep statements for the full year, and if you receive income through platforms like PayPal or Stripe, keep those statements too, since HMRC can ask for them.

One more habit: reconcile every month. Match each bank receipt to an invoice. If something does not match, you find out in May, not in a panic the following January.

Expense evidence: receipts that survive scrutiny

For expenses, the rule is that a bank entry alone is often not enough. A payment of 340 pounds to an online retailer tells HMRC nothing; the receipt shows it was a replacement printer cartridge and not a personal purchase. Keep receipts, invoices or email confirmations for every business expense, especially the big ones: equipment, travel, subcontractors, software subscriptions.

Photos and scans are fine. In fact they are better than paper, because thermal receipts fade within a year. Photograph or scan each receipt the day it arrives and file it digitally. Add a note on anything ambiguous, a client's name on a restaurant bill, the project name on a train ticket. Two years later you will not remember, but the note will.

There is one trap worth naming: cash expenses. If you pay in cash, you still need a receipt. A diary entry that says "250 pounds, stationery, cash" with no supporting document is weak evidence. Ask for a receipt every time, even for small amounts.

Mileage logs: the most commonly failed test

Mileage is claimed incorrectly more often than almost any other expense, and HMRC knows it. If you claim the simplified rate of 45p per mile for the first 10,000 business miles in the year and 25p thereafter, you need a contemporaneous mileage log, not a reconstruction done the week before your return is filed.

A proper log records the date, the start and end points, the purpose of the journey and the miles travelled for every business trip, and it is kept at the time, not reconstructed later. Ordinary commuting from home to a regular workplace does not count. If you claim actual costs instead of the simplified rate, you also need fuel receipts, insurance and repair bills so you can apportion private use.

The habits that make it all painless

The pattern behind everything above is that records made at the time survive checks, and records reconstructed later do not. Five habits will cover you: invoice in sequence and keep copies; run business money through a business account; photograph every receipt the same day; log mileage as you travel; and file everything in one place, physical or digital, that you can search.

Keep records for at least six years after the end of the tax year they relate to. Stored, searchable records mean an enquiry is an inconvenience rather than a crisis.

If HMRC does write to you, respond within the deadline on the letter, send what is asked for and nothing extra, and answer the questions asked. If the amounts involved are significant or you are unsure about anything, get advice before you reply. Solid records plus calm, complete cooperation is how most enquiries end with little more than confirmation. Getting this right is bread-and-butter work for tax compliance services, and if the admin side of freelancing is eating your billable hours, Finex Outsourcing takes the record-keeping and returns off your plate so you can focus on clients.

By John Thomas, Senior Accountant


 

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