Typical Range
£150 - £500+
If you're self-employed, a company director or earning income outside PAYE, filing a Self Assessment tax return is mandatory. Understanding accountant fees for Self Assessment can help you budget and choose the right service.
Accountants' fees for a standard Self Assessment return typically range from £149 to £450, depending on:
Your sources of income
Employment, property, investments, overseas, crypto
Your business structure
Self-employed or limited company director
Complexity of tax affairs
Number of income streams and transactions
Your location
London accountants often charge 20-30% more
Additional services
Bookkeeping, VAT, payroll support
Taxwise Accountancy
Transparent, fair and tailored fees - no hidden charges
£150-£250
£250-£400
£400-£750+
Complexity
More income sources = higher fees
Record Quality
Organised records reduce time/cost
Timing
Last-minute submissions cost more
Location
London firms often charge 20-30% more
Free (just your time)
Good for simple returns
Risk of errors/penalties
Time-consuming to learn
Expert accuracy & compliance
Tax-saving advice
Saves your time
Peace of mind
Worth it? An accountant often saves you more in tax than their fee costs, plus you avoid penalties and save hours of stress.
If you're self-employed and operate as a sole trader, your fee for annual accounts and tax return will depend on your business income. This applies to minicab drivers, plumbers, electricians, freelancers, e-commerce sellers, and many other small business owners.
Annual Income
Up to £30k
£149 - £250
Typical fee range
Annual Income
£30k - £85k
£250 - £400
Typical fee range
Annual Income
£85k+
£400+
Typical fee range
The location of your accountant can significantly affect the cost of your tax return. Accountants in major cities like London often charge higher fees due to increased overheads and demand.
Typically charge 20-30% more
£200 - £600+
Lower overheads, better value
£149 - £450
If you're based in London and looking for tax return support, we work with many clients across the capital.
View our London accountant servicesMany clients are now turning to online accountants to reduce costs without sacrificing quality. Since online accountants don't need expensive offices in city centres, they often pass the savings back to clients.
At Taxwise Accountancy, we serve clients across the UK with easy-to-use remote services.
Learn more at www.tax-wise.co.ukIf you're newly self-employed or earning untaxed income for the first time, you'll need to register with HMRC before you can file a return. We offer free online registration as part of our service.
Technically, you can file a tax return yourself via HMRC. But using an accountant ensures:
We specialise in helping: Sole traders • Landlords • Contractors • Limited company directors • Partnerships • High earners with multiple income sources
We're based in Luton and serve clients across the UK, offering fixed fees, professional service, and support all year round – not just at tax time.
We're now taking bookings for the 2025 Self Assessment season. Don't leave it until the January deadline. Get expert help early and stay compliant.
Complete tax return preparation
HMRC submission on your behalf
Tax-saving advice and planning
Calculation of tax liability
Review of expenses and allowances
Ongoing email/phone support
Keep Organised Records
Use accounting software like FreeAgent throughout the year
Submit Early
Book before December to avoid rush fees
Provide Complete Information
Gather all documents before contacting your accountant
Ask for Fixed Fees
Get a quote upfront so there are no surprises