A London tax accountant in 2026 typically charges £200 to £400 per hour for personal tax work, £500 to £1,500 for a self-assessment return on income up to £100,000, and £2,000 to £8,000 for a small-company year-end. Specialist work (R and D claims, non-dom advice, residency planning) can be £8,000 plus.
This guide covers what a London tax accountant actually costs in 2026, the qualifications they must hold, which clients benefit most from hiring one, and how to verify a London firm before signing the engagement letter.
| Service | Typical London fee (2026) |
|---|---|
| Personal self-assessment (income under £50k) | £300 to £600 |
| Personal self-assessment (income £50k to £150k) | £600 to £1,500 |
| Personal self-assessment (high earners / non-dom) | £1,500 to £5,000 plus |
| Sole trader year-end accounts plus tax return | £700 to £1,800 |
| Limited company year-end (small) | £1,500 to £4,000 |
| Limited company year-end (mid) | £3,500 to £8,000 |
| VAT return preparation (quarterly) | £150 to £400 per quarter |
| Capital gains tax computation | £500 to £2,500 |
| R and D tax credit claim | £3,000 plus contingent fee |
| Hourly advisory work | £200 to £400 per hour |
The recognised UK tax-specialist routes are:
A high-quality London tax accountant working on personal returns will typically hold either CTA or ACA plus current professional indemnity insurance and a HMRC agent code.
For the broader accountancy qualification ladder, see our How to Become an Accountant UK 2026 guide.
The strongest cases for hiring a London tax accountant in 2026:
You probably do not need a London accountant if you are PAYE only with no other income. HMRC's free online tools and Pension Wise cover most of that complexity.
The standard reference manual on a London tax accountant's shelf. The latest UK edition is updated annually for the current Finance Act.
View on Amazon UKTop Pick
The alternative single-volume tax reference, popular with CTAs in London for personal and small-business work.
View on Amazon UKThe standard capital gains practitioner reference. Most London tax accountants have at least one CCH annual on the shelf.
View on Amazon UKThe plain-language reference London accountants often recommend to clients who want to understand their own return before signing.
View on Amazon UKIf your London accountant gives you a choice, the common stacks are Xero, QuickBooks, FreeAgent, and Sage. For a side-by-side comparison see our Xero vs QuickBooks UK 2026 guide.
£300 to £8,000 plus depending on complexity. Simple personal returns under £50k income are £300 to £600. Limited company year-ends start at £1,500. Specialist work (non-dom, R and D, IHT) is £3,000 plus.
Yes if they are ICAEW, ACCA, CIMA, or CIOT registered. Anyone offering tax services in the UK must also have MLR (Anti-Money-Laundering) supervision and HMRC agent registration.
An accountant prepares the accounts and tax returns. A tax adviser specialises in planning to reduce tax legally before the events that trigger it. CTA-qualified London advisers do both.
Not necessarily. Online services like Crunch, FreeAgent, and TaxScouts handle straightforward returns at lower cost. Use a London firm when complexity rises (multiple income streams, capital gains, non-dom, IHT planning, R and D).
Two to six weeks is typical for a personal return once you supply all paperwork. Limited company year-ends are 4 to 12 weeks depending on scope. Avoid leaving it to the 31 January filing deadline because every London firm is overwhelmed in January.
The book covers every step in detail with templates, checklists, and a 90-day plan.
The UK Personal Finance Playbook