How Do I Set Up a Company in Ireland?

A Practical Guide for First-Time Founders Who Want to Stay Compliant and Avoid Penalties

What does "setting up a company in Ireland" actually involve (and what's different from just starting a business)?

Here's something that trips people up immediately: starting a business and setting up a company are not the same thing. You can start a business tomorrow as a sole trader with almost no paperwork. Setting up a limited company in Ireland is a formal legal process that creates a separate entity, distinct from you personally, registered with the Companies Registration Office (CRO).

This guide is for first-time founders, whether you're an Irish resident, a returning emigrant, or a non-Irish founder looking to incorporate here. If you're wondering where to start, you're in the right place.

The big-picture stages of company formation in Ireland look like this:

• Pre-incorporation planning: choosing your company name, structure, directors, secretary, and registered office address.
• Incorporation with the CRO: filing the necessary documents and receiving your certificate of incorporation.
• Post-incorporation registrations: registering with Revenue for corporation tax, VAT, and payroll as needed.
• Operational setup: opening a business bank account, arranging insurance, and getting any licences you need.
• Ongoing compliance: filing your annual return, maintaining statutory registers, and submitting tax returns on time.

The compliance risk is real. Late filings, missing registrations, an invalid director or secretary setup, poor record-keeping: any of these can lead to penalties, loss of audit exemption, or worse. This guide walks you through how to avoid all of that.

Why do founders choose Ireland for company formation (and what are the real pros and cons)?

Ireland punches well above its weight for company formation. There's a stable legal system, full EU market access, and a genuinely strong startup ecosystem. The corporation tax regime is competitive, and R&D-intensive businesses may benefit from additional reliefs, though you should always get specific advice on those. A limited company also gives you credibility with customers, suppliers, and investors, plus the protection of limited liability.

But it's not all upside. Consider the practical downsides:

Advantage	Practical Consideration
Limited liability protection	Directors still have personal legal duties and can face penalties
Professional credibility	Ongoing accounting, CRO, and tax filing costs
Investment readiness (shares)	More complex governance and admin than a sole trader
EU market access	Cross-border trade brings additional VAT/customs complexity

If you're planning to trade seriously, hire staff, raise investment, or operate in a higher-risk sector, a limited company is likely the right move. Testing a small side project with minimal revenue and low risk? A sole trader structure might make more sense for now.

What company structure should I choose in Ireland (LTD vs DAC vs CLG vs sole trader)?

Most startups and SMEs in Ireland incorporate as a Private Company Limited by Shares (LTD). It's the default, and for good reason: straightforward governance, a single-document constitution, and the ability to issue shares to co-founders and investors. But it's not the only option.

• LTD (Private Company Limited by Shares): The most common structure for Irish companies. One director minimum, simple constitution, ideal for most trading businesses.
• DAC (Designated Activity Company): Required where the company's activities need to be restricted to specific objects. Common in regulated or financing contexts.
• CLG (Company Limited by Guarantee): Used for non-profits, clubs, and charities. No share capital; members guarantee a nominal amount.
• Sole trader: Not a company at all. Simpler to set up, but you're personally liable for all business debts.
• Partnership: Also not a company. Shared liability, governed by a partnership agreement.

Is a limited company right for you now? Ask yourself these questions:

• Do you expect revenue above €40,000–€50,000 annually?
• Are you taking on risk that you'd want shielded from your personal assets?
• Do you plan to hire employees in the next 12 months?
• Are you seeking investment or splitting ownership with a co-founder?
• Do you need professional credibility with larger clients or suppliers?

If you answered yes to two or more, a limited company is probably the right structure. For detailed guidance on starting a business in Ireland, Citizens Information is a solid starting point.

What do I need before I register a company with the CRO (name, directors, address, documents)?

Should you validate your business idea first?

Briefly: yes. Before spending money on company formation, do some basic market validation. Sketch out your costs, pricing, and cashflow assumptions. You don't need a 40-page business plan, but a simple one-page outline of your business idea, target market, and realistic revenue expectations will save you headaches later.

How do I choose a company name that won't get rejected?

The CRO has strict rules on company names. Your proposed name can't be too similar to an existing registered name, can't include restricted terms (like "bank", "insurance", or "university") without permission, and can't be misleading. Search the CRO's company name database before you get attached to anything.

• Your registered name is the legal name on the CRO register.
• A trading name (business name) is what you trade under if it differs; this also needs to be registered.
• Check domain availability, social media handles, and consider a basic trademark search before committing.

What are the director, secretary, and shareholder requirements?

An LTD company must have at least one director. Crucially, at least one director must be resident in a European Economic Area (EEA) member state. If none of your directors are EEA-resident, the company must obtain a Section 137 bond (a €25,000 surety bond) before incorporation. This is a legal requirement under the Companies Act 2014 and a point that catches non-Irish founders off guard.

The CRO also requires a company secretary, and a sole director cannot also be the secretary. Directors have a legal duty to keep proper books and ensure the company complies with the Companies Act 2014. Shareholders (the owners) don't have to be directors, and you'll want to think carefully about how you split shares early on, especially if co-founders are involved.

Can I use my home as the registered office address?

Yes, you can. But bear in mind that the registered office address in Ireland is publicly visible on the CRO register. Some founders use a professional address service for privacy. What matters most is that post from the CRO and Revenue actually gets opened and acted on promptly.

What incorporation documents do I need to prepare?

• Constitution: For an LTD, this is a single document covering the company's internal rules. DACs and other types may need a memorandum and articles of association.
• Share capital details: How many shares, at what nominal value. For example, 100 ordinary shares at €1 each is common for new companies.
• Main business activity description: Keep it aligned with what you'll tell Revenue later during tax registration.

How do I incorporate a company in Ireland step-by-step with the CRO (and how long does it take)?

The actual company registration process is more straightforward than most people expect. Here's the workflow:

1. Prepare your details: company name, registered office, director(s), secretary, shareholder(s), share structure, and business activity.
2. Draft your constitution and complete the relevant incorporation forms (Form A1 for an LTD).
3. File with the Companies Registration Office via their online portal (CORE) or through a formation agent.
4. CRO reviews your application and, if everything is in order, issues your certificate of incorporation.

How long does company formation usually take in 2025/2026? The CRO's standard processing can take approximately 5 to 10 working days for straightforward applications, though delays happen. The CRO's Fé Phrainn fast-track scheme targets 5 working days, while the ordinary online scheme targets 10 working days. Common pitfalls that cause rejections:

• Name too similar to an existing company on the register.
• Incorrect or incomplete officer details.
• Using the wrong constitution type for your company structure.
• Inconsistent share information across your forms.

If you want a realistic "fast" timeline, getting everything right first time is the single biggest factor. Resubmissions add weeks.

What registrations do I need after incorporation (Revenue, corporation tax, VAT, payroll)?

Incorporation is just the starting line. The registrations that follow are, frankly, the bit that really matters for staying compliant.

How do I register for corporation tax and VAT?

Every Irish company must register for corporation tax with Revenue. You do this through the Revenue Online Service (ROS). VAT registration is mandatory once your turnover exceeds or is likely to exceed the VAT thresholds: currently €42,500 for services and €85,000 for goods (updated from 1 January 2025 under Budget 2025). You can also register voluntarily if it benefits your cashflow, for instance, to reclaim VAT on startup costs.

What if I'm hiring? How do I register as an employer?

If you're taking on employees, you need to register as an employer with Revenue and set up payroll. Under PAYE Modernisation, payroll submissions must be made to Revenue on or before each pay date. This isn't something to leave until the last minute.

What should I prepare for tax registration?

• A clear description of your business activity.
• Expected turnover for the first 12 months.
• Proposed start date of trading.
• Bank account details (if already opened).
• Contact person details for the company.

What banking and financial setup should I do to stay compliant from day one?

Opening a business bank account isn't optional if you want to keep things clean. Banks typically request your certificate of incorporation, company constitution, proof of identity and address for directors, and beneficial ownership information. Some founders open a Revolut Business account quickly for day-to-day transactions alongside a traditional bank account.

Get your financial foundations right from day one:

• Set up cloud accounting software (we use and recommend Xero) with automatic bank feeds.
• Separate personal and business spending completely. Mixing the two creates director's loan account headaches and tax complications.
• Establish basic record-keeping practices: receipts, invoices, expense policies.

What does it realistically cost to run a limited company in Ireland?

Cost Type	One-Off / Ongoing	Typical Range
CRO incorporation fee	One-off	€50 (online filing)
Formation agent / accountant setup	One-off	€200–€600+
Annual return filing (CRO)	Ongoing (annual)	€20 (online)
Accounting and tax compliance	Ongoing (annual)	€1,500–€5,000+ depending on complexity
Payroll processing (if employing)	Ongoing (monthly)	€50–€150+ per month
Insurance (employer's, public liability)	Ongoing (annual)	Varies by sector

There's no minimum turnover requirement for a limited company. You can incorporate with zero revenue. But the costs above still apply whether you're making €10,000 or €500,000.

What ongoing compliance do Irish companies have to maintain to avoid CRO and Revenue penalties?

This is where new companies fall down most often. Incorporation is a one-time event; compliance is forever (or at least as long as the company exists).

What's your ongoing compliance checklist?

• Annual return (CRO): Must be filed within 56 days of your annual return date. Financial statements are required with most filings. Miss this, and you'll face late filing penalties and potentially lose your audit exemption.
• Statutory registers: Register of members, register of directors and secretary, register of beneficial ownership. These must be maintained and kept up to date.
• Filing changes: Any change of director, secretary, registered office, or share allotment must be notified to the CRO within the required timeframe.
• Corporation tax returns: Filed annually via ROS, typically within 9 months of your financial year end.
• VAT returns: If registered, usually bi-monthly.
• Payroll filings: Real-time reporting under PAYE Modernisation if you have employees.

What happens if I don't comply?

Late filing of your annual return attracts a penalty starting at €100, plus €3 per day, up to a maximum of €1,200 from the CRO.

The rules around audit exemption changed in July 2025. Under Section 22 of the Companies (Corporate Governance, Enforcement and Regulatory Provisions) Act 2024, a first-time late filing within a five-year period no longer automatically triggers loss of audit exemption. However, if you file late more than once in a five-year period, you lose your audit exemption for the following two financial years. This is a significant improvement on the old rules, but it's not a reason to be complacent: late filing penalties still apply every time, and a second slip within five years is costly.

Revenue can charge interest and surcharges on late tax returns. Poor compliance can also cause problems with banks, lenders, and potential investors who check your CRO record.

Build a simple habit system: a compliance calendar with all key dates, a cloud-based document storage system, and a monthly bookkeeping routine. Or let your accountant handle the reminders.

What licences, permits, insurance, and operational steps might my company need?

Depending on your sector, you may need specific licences or permits before you start trading. Food businesses need registration with the HSE or FSAI. Certain professional services require regulatory authorisation. Online businesses selling to consumers across the EU may have additional obligations.

• Check gov.ie's licences and permits section and your local authority for sector-specific requirements.
• Employer's liability insurance is legally required if you're hiring.
• Public liability and professional indemnity insurance are strongly recommended for most businesses.
• If you handle personal data (and you almost certainly do), you need to comply with GDPR and have a privacy policy in place.
• Put basic contracts in place: customer terms and conditions, supplier agreements, and employment contracts if hiring.

What are the most common mistakes first-time founders make when setting up a company in Ireland (and how do I avoid them)?

After working with hundreds of business owners, certain mistakes come up again and again:

• Choosing the wrong structure: Incorporating too early (when a sole trader setup would suffice) or picking a DAC when an LTD would do.
• Using a problematic company name: Restricted terms, similarity to existing names, or not checking domain and trademark availability first.
• Underestimating ongoing costs and admin: A limited company is not "set and forget." Budget for accounting, filing, and compliance from day one.
• Missing Revenue registrations: Not registering for VAT when you should have, or setting up payroll too late.
• Mixing personal and company finances: This creates messy director's loan accounts and makes your accountant's job much harder (and more expensive).
• Ignoring the EEA director requirement: If none of your directors are EEA-resident, you need a Section 137 bond in place before incorporation. This catches non-Irish founders off guard regularly.
• Ignoring annual return deadlines and statutory registers: The penalties are avoidable; the loss of audit exemption is painful.
• DIY-ing complex scenarios without advice: Multi-shareholder setups, IP ownership structures, cross-border founders. These need professional input.

When should I use an accountant or formation agent (and what should I expect them to do)?

You can technically incorporate a company yourself through CORE, the CRO's online portal. But "can" and "should" are different things.

Professional support is worth it when:

• You have multiple shareholders or complex ownership splits.
• You're planning to raise investment.
• You'll be hiring employees soon and need payroll and VAT set up correctly.
• You have a non-resident director or cross-border elements (including the EEA director requirement and Section 137 bond).
• You're in a regulated sector.

A good accountant or formation agent will handle the CRO filing, draft or review your constitution, manage your Revenue registrations, and set up ongoing compliance reminders. They should be transparent about pricing, turnaround times, and what's included. Ask upfront: what do I need to provide, what do you handle, and what does ongoing support look like?

Question to Ask	Why It Matters
What's the expected turnaround for incorporation?	So you can plan your launch timeline
What information do you need from me upfront?	Avoids back-and-forth delays
What's included in your ongoing compliance package?	So there are no surprise costs later
Who handles the annual return and tax filings?	Clarity on responsibilities from day one

FAQs About Setting Up a Company in Ireland

How long does it take to set up a limited company in Ireland?

Typically 5 to 10 working days for a straightforward application through the CRO. The Fé Phrainn fast-track scheme targets 5 working days; the ordinary online scheme targets 10. Delays are usually caused by name issues, incomplete forms, or incorrect officer details. Getting everything right first time is the fastest route.

Can I register a company at my home address in Ireland?

Yes. Your home address can serve as the registered office. Just be aware it'll be publicly visible on the CRO register. Some founders use a professional registered office address service for privacy.

How much does it cost to set up and run a company in Ireland?

The CRO's online incorporation fee is €50. Formation agent fees typically range from €200 to €600+. Ongoing annual costs for accounting, CRO filings, and compliance typically start from around €1,500 and increase with complexity. There's no minimum turnover requirement for a limited company.

Do I need to register for VAT straight away?

Not necessarily. VAT registration is mandatory once your turnover exceeds the relevant thresholds: €42,500 for services and €85,000 for goods (from 1 January 2025). You can register voluntarily if it benefits you, for example, to reclaim VAT on startup costs. But voluntary registration means you must charge VAT and file returns, which adds admin.

What happens if I miss my annual return or other compliance deadlines?

The CRO can charge late filing penalties starting at €100, plus €3 per day, up to a maximum of €1,200. Since July 2025, a first-time late filing no longer automatically triggers loss of audit exemption. But a second late filing within five years means you lose audit exemption for the following two financial years. Revenue charges interest and surcharges on late tax returns. Poor compliance shows up on your public CRO record, which can affect banking relationships and investor confidence.

What is the best way to pay yourself from a limited company?

Most directors pay themselves a salary through payroll, which is subject to PAYE, PRSI, and USC. Dividends are another option but have different tax implications. There's no magic way to extract money from a limited company without paying tax; anyone telling you otherwise is oversimplifying. Get proper advice from your accountant based on your specific circumstances.

Ready to Set Up Your Irish Company the Right Way (Without Compliance Headaches)?

Setting up a company in Ireland doesn't have to be stressful. But getting the foundations right, from CRO incorporation to Revenue registrations to ongoing compliance, makes everything easier down the line.

At First Accounts, we help first-time founders get incorporated, registered, and set up properly from day one. No missed deadlines, no compliance surprises, no jargon.

Before you get in touch, have these ready:

• Your preferred company name options (two or three is ideal).
• Director and shareholder details.
• Your proposed registered office address.
• A brief summary of your business activity.

Get in touch today to book a compliance-first setup call. We'll walk you through what's needed, what it costs, and how to stay on the right side of the CRO and Revenue from the very start.