Get your tax return done properly, and on time
If you need to file a Self Assessment return, we'll match you with one qualified accountant who handles returns like yours and quotes a fixed fee up front. The 2025/26 online deadline is 31st January 2027.
Who we help
- Company directors with dividends
- Self-employed and side hustles
- High earners with the Child Benefit charge
- People with capital gains
- People with overseas income
- Anyone with a late or missed return
What we can do for you
- Preparing and filing your return
- Working out allowable expenses
- Payments on account and reductions
- HMRC registration and UTR
- Late filing and penalty appeals
- Tax planning for next year
How it works
- Answer a few questions about what you need (two minutes).
- We match you with one firm: usually Abbeygate Accountancy, or one trusted partner if that suits you better. We tell you who first.
- They contact you the way you chose, with a fixed-fee quote. You decide.
How much will it cost?
Every situation is different, so firms quote after a short conversation. For a ballpark figure, try our accountant fee calculator or read how much an accountant costs.
Why use One Good Accountant rather than a quote site?
Quote sites pass your details to up to five firms and the fastest caller wins. We match you with one firm that fits, already checked for qualifications, AML supervision and insurance, so the one call or email you get is worth having.
Common questions
How much does it cost to have my tax return done?
A simple return is typically £150 to £350 plus VAT. You'll get a fixed quote before you commit.
Can an accountant help if I'm already late?
Yes. Late returns and penalty appeals are routine work.
What do I need to send my accountant?
Your UTR, income details (P60, invoices, dividend vouchers), expenses and any HMRC letters. You'll get a checklist.
Is it too late for this January?
No, but capacity fills up. Ask now and you'll get more attention.
Related guides
- Self Assessment deadlines for the 2025/26 tax return
- Do I need to file a Self Assessment tax return?
- How much does an accountant cost in the UK?