If you're trading under a name different from your own, you need to register that business name with the CRO. Here's your quick guide to business name registration in Ireland.
€20
Online fee
5 Days
Processing time
1 Year
Registration period
Form RBN1
Application form
Do You Need to Register?
Sole Traders
Trading under any name other than your own surname
Partnerships
Using a name other than the surnames of all partners
Companies
Using a trading name different from the registered company name
Penalty for Non-Registration
Trading under an unregistered business name is an offence. Fines can apply, and you may face difficulties enforcing contracts.
Registration Requirements
What You Need
Step-by-Step Process
Check Name Availability
Search the CRO database to ensure your desired name isn't already registered or too similar to existing names.
Complete Form RBN1
- Business name
- Owner details (name, address, date of birth)
- Business address
- Nature of business
- Date business commenced
Submit Online
File through the CRO's online system with the €20 filing fee.
Receive Certificate
Within 5 working days, you'll receive your Certificate of Registration of Business Name (RBN).
Important Rules
Name Restrictions
- • Cannot be identical to existing names
- • Cannot suggest government connection
- • Cannot be offensive or misleading
- • Some words require ministerial consent
Display Requirements
You must display owner's name on:
- • Business premises
- • Business letters and documents
- • Invoices and receipts
- • Website (if applicable)
Renewal Requirements
Key Dates
Cost Summary
| Cost Item | Amount |
|---|---|
| Initial registration (online) | €20 |
| Initial registration (paper) | €40 |
| Annual renewal (online) | €20 |
| Professional service (optional) | €49-€99 |
Checklist
Pro Tip
Set a calendar reminder for your renewal date. If you fail to renew, your business name registration will lapse and someone else could register it.
Company Formation Guides
Need Help?
We handle business name registration for you, including name checks and annual renewal reminders.
Register Your Business Name