Who Needs to File an Income Tax Return in Ireland?
Not everyone in Ireland needs to file a self-assessment income tax return but more people than you might think do. You are required to file if any of the following apply to you:
You are self-employed or run your own business as a sole trader. You are a company director receiving income outside of PAYE. You earn rental income from residential or commercial property. You have investment income, share dividends, or income from company share schemes or RSUs. You receive foreign income from overseas employment, pensions, or investments. You have income from a nixer or side job that is not taxed at source. You are a PAYE employee whose non-PAYE income exceeds €5,000 in the tax year. You received a taxable social welfare payment that was not fully taxed. You have a chargeable gain from the disposal of assets that requires a Capital Gains Tax declaration.
If any of these apply, Revenue requires you to register for self-assessment and file your return annually. Missing this obligation leads to surcharges, interest, and in some cases, Revenue compliance interventions.
If you are not sure whether you need to file, we will tell you at no cost.
Forms We Handle
- Form 11 Self-Assessed Income Tax Return: This is the main income tax return for self-employed individuals, company directors, landlords, and anyone with income outside of PAYE. It covers all sources of income for the tax year and is filed annually via ROS (Revenue Online Service). The deadline is 31 October, extended for ROS filers to mid-November.
- Form 12 PAYE Income Tax Return: For PAYE employees who need to declare modest additional income or claim tax credits and reliefs not applied through their tax credit certificate. Filed via myAccount on Revenue’s website.
- PAYE Anytime / myAccount Claims: Many PAYE workers are entitled to refunds through credits and reliefs medical expenses, flat rate expenses, remote working relief, rent tax credit, and more. We review your position and claim everything you are entitled to.
- Non-Resident Tax Returns: Expats and non-residents with Irish-source income rental income, Irish employment income, income from an Irish company have specific Irish income tax obligations. We handle these returns regardless of where you are based.
What We Do For You
- We gather and review your information: You tell us about your income and expenses for the year employment income, rental income, business profits, dividends, share disposals, and anything else relevant. We review everything, ask where we need more detail, and make sure nothing is missed.
- We prepare your return accurately: We calculate your income tax, PRSI, and USC liability. We apply every allowable deduction, credit, and relief you are entitled to from pension contributions and capital allowances to the earned income credit, rent tax credit, and medical expenses. Getting these right is not a bonus it is our job.
- We calculate your Preliminary Tax: Self-assessed taxpayers must pay Preliminary Tax an estimate of the current year’s liability by 31 October. Underpaying triggers Revenue interest at 8% per annum. Overpaying ties up cash unnecessarily. We model this correctly every year.
- We file via ROS on your behalf: We hold a Revenue Online Service (ROS) agent link to your tax record. We submit your return electronically and send you the ROS acknowledgement your proof of filing.
- We keep you ahead of deadlines: You will never miss a filing date or a payment deadline because of something we missed. We track all relevant dates for every client we work with.
- We explain what you owe and why: Once your return is filed, we walk you through the result in plain English your final liability, any balance due to Revenue or refund owed to you, and what the Preliminary Tax figure means for next year.
Key Irish Income Tax Deadlines
- 31 October each year: Deadline for filing a paper income tax return and for paying the balance of tax due and Preliminary Tax for the current year.
- Mid-November each year (extended ROS deadline): The extended online filing deadline for taxpayers using ROS. The exact date is typically announced by Revenue in September each year.
- 31 January: Deadline for Capital Gains Tax payment on asset disposals made in December of the previous year.
Missing the 31 October deadline without the ROS extension results in a late filing surcharge of 5% of your tax liability (up to €12,695) if filed within two months of the deadline, rising to 10% (up to €63,485) if filed more than two months late. These are avoidable costs. We make sure you never incur them.
Tax Credits and Reliefs We Claim For You
A significant number of Irish taxpayers overpay tax every year because credits and reliefs they are entitled to are simply not claimed. We make sure that does not happen. Depending on your situation, we claim:
The earned income credit for self-employed individuals and proprietary directors. The PAYE tax credit for employed income. Pension contributions deducted at your marginal rate one of the most valuable reliefs available. Capital allowances on business equipment, machinery, and vehicles at 12.5% per annum. Mortgage interest relief on qualifying rental property borrowings (where the tenancy is RTB-registered). Medical expenses relief at 20% on qualifying health expenditure. Flat rate employment expenses for qualifying occupations. Remote working relief for home office costs. The rent tax credit for qualifying renters. Charitable donations relief under the Charitable Donations Scheme. Dependent relative tax credit and incapacitated child credit where applicable. Foreign tax credit where income taxed abroad is also assessable in Ireland.
This is not an exhaustive list. Every client’s situation is different, and we review yours specifically.
GET IN TOUCH
Bringing It All Together
Who We Help
We file income tax returns in Ireland for a wide range of clients, including sole traders and self-employed professionals across all sectors, company directors with both PAYE and non-PAYE income, property landlords with one property or a portfolio, PAYE employees with rental income, side income, or share scheme proceeds, contractors and freelancers, medical professionals, locum doctors, and locum dentists, construction subcontractors with RCT obligations, returning emigrants and expats with Irish income sources, non-residents with Irish rental or investment income, and high earners needing careful income tax and USC planning.
If you have income in Ireland, we can file your return.
What You Need to Give Us
Getting started takes very little effort on your side. Depending on your situation, we typically need:
Your Revenue PPS number and ROS access details (or we will help you set these up), your P60 or employment detail summary for the year if you are a PAYE worker, your income and expense records if you are self-employed (receipts, invoices, bank statements), rental income received and expenses paid for the year if you are a landlord, details of any investment income, dividends, or share disposals, details of any pension contributions made, and details of any foreign income or foreign tax paid.
You do not need to have everything perfectly organised. We will help you pull it together. That is part of what we do.
Late Returns We Can Still Help
If you have missed one or more income tax return deadlines in Ireland, do not make the common mistake of continuing to do nothing. The surcharge has already started, and Revenue’s patience has a limit.
We help clients who are behind on their returns to get back on track quickly filing outstanding returns, calculating the correct surcharge and interest exposure, and if needed, helping negotiate a Phased Payment Arrangement with Revenue to clear any outstanding liability in manageable instalments.
The earlier you act, the less it costs. Contact us today.
Frequently Asked Questions
When is the income tax return deadline in Ireland?
31 October each year for paper filers and for payment of any balance of tax due and Preliminary Tax. ROS filers receive an extended deadline to mid-November, typically announced each September by Revenue.
What is the difference between Form 11 and Form 12?
Form 11 is the full self-assessment income tax return for self-employed individuals, company directors, landlords, and anyone with non-PAYE income above €5,000. Form 12 is a simplified return for PAYE employees with modest additional income or credit claims. We advise you which form applies to your situation.
What is Preliminary Tax in Ireland?
Preliminary Tax is an advance payment of your expected income tax liability for the current year, paid by 31 October each year. It must equal at least 90% of your final tax bill for the year, or 100% of last year’s liability. Underpaying results in Revenue interest charges at 8% per annum.
What happens if I file my income tax return late?
A late filing surcharge of 5% of your total tax liability up to a maximum of €12,695 applies if you file within two months of the deadline. If you file more than two months late, the surcharge increases to 10% up to €63,485. Interest also accrues daily on any unpaid tax at approximately 8% per annum.
Can PAYE employees get tax refunds?
Yes, frequently. Medical expenses, pension contributions, flat rate expenses, remote working relief, and the rent tax credit are all commonly unclaimed. We review your PAYE tax position and claim refunds where you are entitled to them typically going back up to four years.
