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How-to guide

How to do your bookkeeping with AI (UK, and keep control)

Updated 25 July 2026 · 7 steps

Use AI to do the recording and categorising - logging income and expenses as they land, matching receipts and reconciling to your bank - while you keep the judgement calls and the responsibility. In the UK, HMRC holds you accountable for your records, not your software, so AI drafts the books and you review them.

Bookkeeping is the work nobody starts a business to do and everybody has to do anyway. It is also the work AI is genuinely, unambiguously good at - it is repetitive, rules-based and continuous, which is exactly the shape of job a machine handles better than a tired human in January.

The catch is that most of what you will read about AI bookkeeping is written for a different country. The tools are pitched at IRS deadlines, dollars and QuickBooks. The UK has its own rules about what you must keep, in what form and for how long, and those rules are the part that actually constrains how you can use AI.

One hard line before anything else, because this is your money and your legal duty: Corey prepares your books and shows its working. It does not file anything to HMRC on your behalf, and nothing here is tax or accounting advice. A qualified accountant owns the judgement and the submission.

Can AI do my bookkeeping?

It can do most of it, and the useful way to think about which part is to split the job in two.

AI does the mechanical halfYou keep the judgement half
Recording income and expenses as they landWhether something is genuinely a business expense
Reading receipts and invoicesThe personal-use share of a phone, car or home office
Assigning a category to each transactionCapital costs versus day-to-day running costs
Reconciling the books against your bankHow to treat anything unusual or one-off
Flagging duplicates, gaps and outliersSigning off the figures and the return

The mechanical half is where all the hours go, and handing it over is close to pure gain. The judgement half is small, and it is yours, because of the thing the US guides cannot tell you.

Why “keep control” means something specific in the UK

Every AI bookkeeping vendor will tell you to keep human oversight. In the UK it is not a best practice, it is a statutory position: HMRC holds you responsible for the accuracy of your records, whatever software produced them. You cannot point at a model and say it categorised the transaction. The duty does not transfer.

That single fact settles most of the design questions:

  • AI must show its working, not just a number. If you cannot see why a transaction was categorised the way it was, you cannot discharge a responsibility you still hold.
  • AI must flag uncertainty rather than guess quietly. A confident wrong answer is worse than a flagged one, because it is the one you will not check.
  • The underlying records must be yours. Receipts and invoices need to live in storage you control, so you can produce them for HMRC without asking a vendor’s permission.

Read the marketing claims through that lens. “96% automated” is not the number that matters. What matters is whether you can see and challenge the other 4%, and whether you would still have your records if the vendor disappeared.

How to do your bookkeeping with AI, step by step

1. Separate the business money from your own

Bookkeeping is far harder when business and personal spending share an account, and no AI can reliably guess which weekend Amazon order was a business expense.

Open a separate business account before anything else. Sole traders are not legally required to, but it turns categorising from guesswork into a clean, checkable job. Everything after this step depends on it.

2. Let AI record and categorise as the money moves

The point of AI in bookkeeping is continuous recording, not an annual catch-up. Have it log income and expenses as they land, read receipts and invoices, assign each to a category, and flag anything it is unsure about rather than guessing quietly.

The uncertainty flag matters more than the accuracy rate. You need to know what to look at.

3. Keep the records digital from the start

Under Making Tax Digital for Income Tax, digital record-keeping is becoming a legal requirement rather than a preference. The rollout is phased by income:

FromApplies if your qualifying income was overBased on the tax year
6 April 2026£50,0002024 to 2025
6 April 2027£30,0002025 to 2026
6 April 2028£20,0002026 to 2027

Qualifying income here means combined gross income from self-employment and property. VAT-registered businesses are already inside Making Tax Digital for VAT, which is covered in doing your VAT return with AI.

Keeping records digitally from day one means the deadline arrives as a non-event. Always check the current position for your own circumstances on GOV.UK, since the thresholds and dates have moved before.

4. Reconcile against the bank every month

Reconciling means checking that your books match what actually happened in the bank. Do it monthly and it is a short review of a handful of mismatches. Leave it to January and it becomes an archaeology project.

Have AI do the matching and present only the exceptions - the payment with no invoice, the duplicate, the transfer logged twice, the subscription you forgot you were paying.

5. Review the judgement calls yourself

This is the control line, and the step people skip.

AI is good at the mechanical half - recording, matching, totalling, spotting outliers. It is not the right owner of the judgement half: whether something is genuinely a business expense, how to treat the personal-use share of a phone or a car, which costs are capital rather than day-to-day running costs.

Have AI list every call it made and why, then read that list. It takes minutes a month and it is the difference between using AI and trusting it blindly.

6. Keep the records for at least five years

HMRC requires self-employed people to keep records for at least five years after the 31 January submission deadline of the relevant tax year, and it can check them. So records behind a return filed by 31/01/2027 should be kept until at least the end of January 2032. Limited companies have their own retention duties.

Have AI keep the underlying receipts and invoices filed and findable, in your own storage, so a compliance check is a search rather than a panic.

7. Hand a clean set to your accountant

The goal is not to replace your accountant. It is to stop paying them to sort out a year of mess before they can do the work you actually want from them.

Have AI produce the year-end pack - categorised transactions, reconciled bank, filed receipts and a list of the judgement calls it made - so your accountant starts from clean books and spends their time on advice instead of data entry.

What this looks like with Corey

Corey does the mechanical half continuously and hands you the judgement half. It records and categorises as money moves, reads receipts, reconciles against the bank monthly, flags what it is unsure about, and keeps every underlying document filed in your own storage rather than inside a product you would have to escape from.

Because the books stay current, the things that usually hurt stop being events. Your VAT return is mostly written by the time the quarter closes. Your Self Assessment figures are ready rather than reconstructed. Your accountant gets a clean set instead of a shoebox.

Bookkeeping is one part of the wider finance job - the invoicing, the chasing, the cashflow, the tax set-aside - which is covered in Corey for finance. And it is one of the first things worth handing over when you are running a one-person business with AI, because it is high-volume, low-judgement and it compounds if you neglect it.

Start with Corey

Books that are always current turn tax season from a scramble into a review. Corey records, categorises and reconciles as you go, shows you every call it made, and keeps your records where you can get at them.

Ready to try it? Start with Corey - the first 28 days are on us, no card. Corey preps your books; you and your accountant own the judgement and the filing. This is not tax or accounting advice.

Put this to work with Corey

Questions, answered

AI can do the mechanical half of bookkeeping well - recording income and expenses as they happen, reading receipts, categorising transactions, reconciling against your bank and flagging anything odd. What it should not own is the judgement half, or the responsibility. In the UK, HMRC holds you accountable for the accuracy of your records regardless of what software produced them, so the right shape is AI drafting the books and you reviewing them.
It is, provided you keep two things. First, review - AI should show you every call it made and every transaction it was unsure about, rather than presenting a finished number you cannot interrogate. Second, your own records - the underlying receipts and invoices should live in storage you control, so you can produce them for HMRC without depending on a vendor. Treat any tool that hides its working or locks up your data as a risk, not a shortcut.
Increasingly, yes. Making Tax Digital for Income Tax requires digital record-keeping and quarterly updates, phased by income. It applies from 6 April 2026 to sole traders and landlords with qualifying income over £50,000 for the 2024 to 2025 tax year, from 6 April 2027 for over £30,000, and from 6 April 2028 for over £20,000. VAT-registered businesses are already within Making Tax Digital for VAT. Check the current rules for your own situation on GOV.UK.
If you are self-employed, HMRC requires you to keep your records for at least five years after the 31 January submission deadline for that tax year. So records for a return filed by 31 January 2027 should be kept until at least the end of January 2032. Limited companies have separate retention requirements. Keeping receipts and invoices filed digitally as they arrive makes this automatic rather than a box of paper you hope survives.
No, and it is worth being clear about why. An accountant does two things - the processing, and the judgement and filing. AI takes over most of the processing, which is the part you are effectively paying an expert to do at expert rates. What stays with your accountant is the advice, the treatment of anything unusual, and owning the submission. You get a cheaper, cleaner version of the same relationship, not the absence of one.
Corey records and categorises income and expenses as they land, reads receipts and invoices, reconciles against your bank, flags what it is unsure about, keeps everything filed in your own storage and produces a year-end pack for your accountant. It preps; you review. Corey does not file anything to HMRC on your behalf and it does not give tax or accounting advice.