Help with several years of unfiled tax returns
We establish which years need attention, reconstruct the available records and agree the appropriate filing or disclosure route. Each year is checked separately.
Your fixed quote
Tell us your situation and we come back within 48 hours with a fixed written quote. No obligation.
Multiple Year Returns: What You Need to Know
Before comparing quotes, use our late tax return accountant fee checklist to check years, records work, VAT and additional charges.
We establish which years need attention, reconstruct the available records, including years where receipts or statements are missing, and agree the appropriate filing or disclosure route. Each year is checked separately.
Start with the relevant guide or use the free estimate or deadline tool. If you need help applying that information to your records, request a quote and include any urgent notice date.
Before acting as your agent, we agree the engagement and the HMRC authorisation needed. Keep responsibility for urgent deadlines in view while that process is completed.
Several unfiled years are not one combined tax return. Income, allowances, rates, losses and payments must be allocated to the correct year. We first distinguish requested returns from income that needs a separate disclosure, then agree a sequence that accounts for urgent notices and relief deadlines.
Benefits of Multiple Year Returns
A defined scope
The quote identifies the years, returns or notices covered and what information is still needed.
Records behind the figures
We distinguish confirmed information from assumptions, estimates and missing evidence.
Separate filing and payment decisions
Submitting a return does not pay the tax or cancel existing penalties. Each issue needs its own next step.
Avoid treating every year the same
Do not simply copy the latest year into earlier returns. Business activity, residence, reliefs and the rules in force may have changed. Tax already deducted or paid also needs allocating correctly.
Ask whether the quote covers all listed years, reconstruction, disclosure work, appeals and payment negotiations. Those are different tasks and should have a clear scope.
Is Multiple Year Returns Right for Your Situation?
This service may help if you have:
- Two or more outstanding Self Assessment returns
- Different income sources or missing records across several years
- Undeclared income alongside returns already requested by HMRC
An initial consultation is always the right starting point. We review your HMRC records, assess your penalty position, and give you a clear recommendation based on your specific circumstances.
How the Process Works
List missing years and urgent notices
Create a year-by-year list of notices, returns, penalties and payments; identify urgent response dates.
Reconstruct each year from records
Reconcile bank, employer, rental or platform records, keeping a record of gaps and estimates for each year.
Agree the filing or disclosure route
Check which years require returns and whether a disclosure facility is appropriate. Obtain approval for the submissions.
Reconcile penalties and payment options
Compare the resulting liabilities with HMRC records and consider any supported appeals or payment proposal.
Multiple Year Returns Pricing Guide
Fees depend on the complexity of your situation. We provide a fixed written quote within 48 hours of your enquiry so you know exactly what you will pay before committing.
Every Day Costs You More
HMRC penalties start at £100 and increase by £10 per day after 3 months. The longer you wait, the more you pay. Tell us what is outstanding and get a fixed written quote today.
What We Handle for You
- Return preparation, HMRC submission, basic penalty advice
- Penalty review, excuse preparation, HMRC correspondence, follow-up
- All years preparation, coordinated submissions, penalty minimisation strategy
- Evidence gathering, claim preparation, HMRC submission, response handling
- Financial analysis, HMRC negotiation, payment plan setup, ongoing support
- Historic analysis, interest calculation, penalty computation, summary report
Multiple Year Returns FAQs
Common Situations We Resolve
One or two years overdue
Self-employed income, rental property, or a one-off capital gain that should have been reported. We file the outstanding returns, calculate the true liability, and apply any reliefs that reduce what is actually owed.
Penalty notice just arrived
The 30-day appeal window is running. We assess whether a reasonable excuse claim has genuine merit, prepare the appeal with supporting evidence, and present it in the format HMRC accepts.
Multiple years behind
Three, four, or more years of unfiled returns. We reconstruct records from bank statements and HMRC data, file everything in the right order, and negotiate penalty mitigation across the whole period.