You've decided to start a business, and everyone keeps telling you to "just set up as a sole trader". Grand. But what does that actually mean for your tax, your paperwork, and your personal exposure if something goes wrong?
This guide explains what a sole trader is, how the structure works in Ireland, and the three practical jobs that come with it: registering for tax on ROS.ie, registering a business name with the CRO, and opening a separate business bank account.
What is a sole trader?
A sole trader is an individual who runs a business in their own name, or under a registered business name, and keeps the profits after tax. It's a business structure, not a job title. A plumber, a graphic designer and a wedding photographer can all run a sole trader business.
It's also the simplest type of business to set up in Ireland. There's no company to incorporate, no shareholder, and no separate legal entity. You are the sole owner of the business, and in the eyes of the law you and the business are the same person.
That last point cuts both ways. Because there's no legal separation, you're personally responsible for everything the business does, including every debt it runs up. Accountants call this unlimited liability, and it's the single biggest difference between sole traders and limited companies. If the business owes money, your personal assets are on the line.
How is a sole trader different from being self-employed?
The two terms overlap, but they aren't identical. Self-employed describes how you earn: you make income outside the PAYE system and handle your own tax. Sole trader describes the structure you trade through. Most sole traders are self-employed, but not every self-employed person is a sole trader; some company directors are taxed under self-assessment even though they trade through limited companies.
The label matters most when you're filling in a tax registration form, opening a bank account, or explaining your setup to a supplier. Citizens Information's guide to becoming self-employed is a useful companion read if you're weighing it all up.
What taxes does a sole trader pay in Ireland?
As a sole trader you pay tax on your business profits through self-assessment rather than through an employer. There's no salary and no payslip. You invoice customers, keep what's left after costs, and settle up with Revenue once a year.
|
Tax |
What it covers |
Where to check |
|
Income tax |
Charged on your profits at 20% and 40%, depending on your income band |
Citizens Information: how your tax is calculated |
|
PRSI (Class S) |
Social insurance for the self-employed, normally 4% of income |
Citizens Information: paying social insurance |
|
USC |
Universal Social Charge, applied in bands on top of income tax |
Revenue: Universal Social Charge |
|
VAT |
Only once your turnover passes the registration thresholds |
Revenue: who should register for VAT |
You report all of this on a Form 11 tax return, filed by 31 October each year under Revenue's self-assessment system, with preliminary tax for the current year due at the same time. That double payment in year one catches people out constantly. We've covered how much a sole trader can earn before paying tax separately if you want the figures.
How do you register as a sole trader on ROS.ie?
Registering as a sole trader means telling Revenue you've started trading. There's no licence and no approval step. You register for the taxes that apply to you, and Revenue links them to your PPSN, which becomes your tax reference number.
Here's the sequence:
- Have your PPSN, start date and a short description of your business activity ready.
- Register for income tax with Revenue, either through myAccount or the Revenue Online Service (ROS). Revenue's own page on how to register for tax as a sole trader walks through the steps.
- Decide whether you need to register for VAT. Since 1 January 2025 the thresholds are €42,500 for services and €85,000 for goods, so plenty of small operators don't need to register at all. Our guide to VAT thresholds in Ireland covers the edge cases.
- If you plan to hire staff, register as an employer for PAYE before you run your first payroll.
Once you're set up on ROS you can file returns, make payments and view your liabilities in one place. Sort it early; ROS access involves a posted activation code, and the wait is painful the week before a deadline.
When do you need to register a business name with the CRO?
Trading under your own personal name? Then there's nothing to register with the CRO. Mary Byrne can trade as Mary Byrne all day long. But if Mary trades as "Byrne Design Studio", she must register that name with the Companies Registration Office using Form RBN1, filed online at core.cro.ie.
The form asks for your details, the business name, your business address and the nature of the business. Two things people misunderstand here. Registering a business name does not create a limited company, and it does not stop anyone else using a similar name; it's a public record, not brand protection. We've explained what a trading name is in more detail, including how it differs from a company name.
Keep the certificate you receive. Banks and some suppliers will ask for it.
Why should you open a separate business bank account?
No law forces a sole trader to open one. Do it anyway. Mixing business and personal money in one account is the fastest route to messy books and missed expense claims. A separate account gives you:
- Cleaner records, because every transaction in the account relates to the business.
- An easier tax return, since you're not untangling groceries from materials twelve months later.
- A simple habit: every invoice gets paid into it, every business cost comes out of it.
- Somewhere to ring-fence a tax pot, ideally 25% to 30% of each payment received.
If the bookkeeping side still fills you with dread, our bookkeeping services exist for exactly this reason.
Should you stay a sole trader or set up a limited company?
It depends on risk and profit. A company is a separate legal entity with limited liability, so business debts generally stay with the business rather than following you home. Companies pay corporation tax at 12.5% on trading profits, which becomes attractive once you're earning more than you need to live on and can leave money in the business.
For most people testing an idea, the sole trader route wins on simplicity and cost, and you can incorporate later. We've compared the two in what's better, a sole trader or company. Your Local Enterprise Office can also talk through the options if you're at the very early stage.
FAQs about being a sole trader in Ireland
Do I have to register before I start working?
You can plan, quote and even line up customers first, but once you start trading you should register with Revenue for income tax promptly. Registration is backdated to your start date, so delaying doesn't reduce what you owe; it just shortens your runway before the first deadline.
Can I be a sole trader and an employee at the same time?
Yes. Plenty of people run a side business while staying in a PAYE job. Your employment income and your business profits are combined on the same self-assessment return, so the side income is taxed at your marginal rate.
Can a sole trader hire employees?
Yes, the "sole" refers to ownership, not headcount. You'll need to register as an employer with Revenue and operate payroll on every wage you pay.
Can I switch to a limited company later?
You can, and many do once profits grow or contracts demand it. The switch involves incorporating with the CRO and new tax registrations, so get advice on timing first.
What's the biggest risk of being a sole trader?
Unlimited personal liability. If the business fails owing money, creditors can pursue your personal assets, including your savings and potentially your home. Insurance and sensible contracts reduce the risk; only a company structure removes it.
Want your sole trader setup done right the first time?
Registering on ROS, filing the RBN1 and setting up clean banking takes an afternoon when someone shows you the way, and months of untangling when it's guessed at. If you'd like a second pair of eyes on your registrations, your first tax return, or the sole trader versus company decision, get in touch today.
Disclaimer: This guide is for general information purposes only and does not constitute professional advice. Speak to a qualified accountant about your specific circumstances before acting on anything covered here.