Guide · Accountants
AI for accountants in the UK: what to automate and what to keep
In a UK accountancy practice, AI pays best in the work around the professional judgement: chasing clients for records, sorting what arrives, first drafts of client emails and working notes, and turning bookkeeping data into plain English. The judgement itself, from tax positions to anti-money-laundering sign-off, stays with a qualified accountant. Many have already started: in a small 2025 survey of 100 UK accountants by Wolters Kluwer, 66% said they already use AI.
Where AI helps a practice
| Job | What AI does | Who checks |
|---|---|---|
| Chasing clients for records | Drafts reminders from your deadline list, personalised to what is still missing | A member of staff approves each batch |
| Sorting what arrives | Reads emails and uploads, names and files documents, flags what is missing | Exceptions go to a person |
| First drafts | Client emails, covering notes and working-paper narrative from your own data | The accountant edits and signs off |
| Bookkeeping notes | Plain-English explanations of movements in a client's numbers | The accountant before it reaches the client |
| Onboarding admin | Collects documents and pre-fills forms for checks | The decision stays with the responsible person |
What AI shouldn't decide
Anything that needs a professional opinion stays with a qualified person: tax advice, judgements in the accounts, the risk assessment behind client due diligence, and anything signed. AI can prepare the file. It doesn't make the call.
Client confidentiality matters just as much. Use business versions of AI tools with data controls, set a written firm policy on what may go into them, and check your professional body's guidance; ICAEW's page on managing AI risks is a good place to start. The same Wolters Kluwer survey found accuracy (43%) and data security (42%) were accountants' top concerns.
Why 2026 is a good year to start
Making Tax Digital for Income Tax brings quarterly updates to sole traders and landlords in stages, which means more deadlines and more chasing for practices with those clients.
| From | Qualifying income over |
|---|---|
| 6 April 2026 | £50,000 |
| 6 April 2027 | £30,000 |
| 6 April 2028 | £20,000 |
Chasing and sorting are exactly the repeating jobs AI handles well, so the extra volume is a good reason to build the workflow now rather than add hours.
How we work with practices
We build around the regulated decision and never inside it: we draft, sort and prepare, and a qualified person decides. The work happens in the tools you already use wherever we can, and nothing goes to a client without a person approving it. More on how we work outside retail.
Niddy's AI Audit costs £1,495 fixed, takes five days with minimal client time, and carries a guarantee: ten times the fee in estimated annual value identified, or the fee back. After the audit, we build one workflow at a time in fixed-fee Sprints of £2,950 per workflow.
| What | Price | What you get |
|---|---|---|
| AI Audit | £1,495 fixed | Five days, minimal client time. A build, buy or wait plan from your own numbers. Ten times the fee in estimated annual value identified, or the fee back. |
| Sprint 1: set-up and team workshop | At the Sprint rate | Accounts and permissions set up properly, and a workshop so your team knows what the tools are for and who approves what. |
| Sprint, per workflow | £2,950 | One workflow built, tested and handed over in five to ten working days, in your own tools wherever we can. |
| Foundation | £2,000 a month | We advise and direct, your team implements. |
| Growth | £5,000 a month | Ongoing builds and support, three-month minimum. |
Run a practice and want an honest view of where AI fits? Book a 30-minute call.
or email hello@niddy.co.uk
Questions we get asked
Will AI replace accountants?
Not the professional judgement, and that is where the value of a practice sits. AI takes over the repeating admin around it: chasing, sorting, first drafts and notes, all checked by a person.
Is it safe to put client data into AI tools?
Only in business tools with proper data controls, under a written firm policy, and in line with your professional body's guidance. ICAEW's AI risk page is a sensible starting point.
What do accounting firms use AI for?
In Wolters Kluwer's 2025 survey of UK accountants already using AI, 70% used generative AI for drafting reports, summarising financial data and writing client communications, and 46% used automation for routine tasks such as invoice processing and bookkeeping.
How much does it cost to bring AI into a practice?
Our AI Audit is £1,495 fixed, and each workflow we build is £2,950. Our UK cost guide compares what other providers charge.