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How much does an accountant cost for a sole trader in Brighton?

By James Fitzpatrick · Fitzpatrick Co · Brighton & Hove · 3 min read · Last reviewed 29 September 2026

Our average fee for a self-employed sole trader is £30 a month, or £75 a month if Making Tax Digital applies, and £295 a year if you only need a Self Assessment return filed. Your actual fixed fee is agreed at a free consultation before you commit.

What moves the fee

Our pricing page shows average fees by client type. They are a realistic guide to what most people in your position pay, not an introductory rate that creeps up later.

What the fixed fee covers

Your personal tax return, bookkeeping through MTD-ready software (Xero and QuickBooks also work), unlimited email and phone support with a same-day response under a fair use policy, HMRC correspondence handled for you, deadline reminders, and an annual tax planning review. Once the fee is agreed, it stays fixed.

Worked example

A Brighton freelance designer with £48,000 profit pays about £360 a year at £30 a month. In a first review we find £4,500 of expenses that had never been claimed, such as equipment, software and mileage. At 26% (20% income tax plus 6% Class 4 National Insurance) that is £1,170 less tax, more than three times the fee.

That is an illustration of how the maths can work, not a promise for every client. Some people have little to find. The tax return itself, being on time, and the peace of mind are still part of what the fee buys.

How to compare quotes

  1. Ask exactly what is included: bookkeeping, MTD, HMRC letters, planning.
  2. Ask whether the fee is fixed for the year or changes with the work.
  3. Ask how fast questions get answered and by whom.
  4. Check the firm is supervised for anti-money-laundering purposes and who its regulator or professional body is.

Common mistakes

Common questions

Frequently asked questions

How much does an accountant cost for a sole trader in Brighton?
Our average fee for a self-employed sole trader is £30 a month, or £75 a month if Making Tax Digital applies, and £295 a year if you only need a Self Assessment return filed. Your actual fixed fee is agreed at a free consultation before you commit.
Is an accountant's fee tax deductible for a sole trader?
Fees for preparing your business accounts are a deductible expense. Fees for purely personal tax advice generally are not, so a good accountant splits the invoice.
Do I pay less if I keep my own books?
Often yes. If your records are tidy and in software, the accountant spends less time, and the fee can reflect that.
Can I just file my own Self Assessment return?
Yes, it is legal and free. The risk is missed expenses, late filing penalties, and mistakes that surface in an HMRC check.

Speak to James Fitzpatrick — free consultation

Want a fixed-fee quote for your own situation? Let's talk it through.

Book a free consultation  Call 07534 476727
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