International Business

International Business – Establishing in Ireland

Practical, expert support to help you set up, structure, & operate your business in Ireland

Expanding into Ireland offers significant opportunity as we are in the midst of a thriving economy, however, getting established correctly from the outset is critical. From choosing the right structure to meeting tax and regulatory requirements, early decisions can have long-term implications for your growth trajectory.

Our proven support model for establishing a business in Ireland is designed to make the process straightforward and efficient. We guide you through each step, helping you set up correctly, remain compliant, and align your Irish operations with your wider business strategy. We’ve been working with international companies in Ireland for over 15 years, so know and understand the requirements.

At CAS, we work with international companies, including US and multinational groups, supporting market entry, entity setup, payroll, and ongoing compliance. Our role is to remove complexity, reduce risk, and provide you with expert ‘boots on the ground’ to ensure you always stay on track.

Whether you are entering Ireland for the first time or expanding existing operations, we provide practical, experienced support at every stage.

Furthermore, we openly communicate market changes and regulations you need to be aware of, so you can focus on growth.

Our International Business Services

Company Formation

Advice on the most suitable legal structure for your business.
Fast and efficient company incorporation in Ireland.
Set-up of directors, shareholders, and company constitution.
Ongoing Director compliance advice.
Registration for Irish taxes, including corporation tax, VAT, and payroll.
Guidance on establishing substance and operational presence.

Tax Registration & Compliance

Corporation tax registration and planning.
VAT registration and cross-border VAT guidance.
Employer registration and payroll setup.
Ongoing tax compliance and filing support.
Coordination with international tax advisors where required.

Registered Address & Nominee Director Services

Professional Irish registered office address for your company.
Receipt and forwarding of official correspondence from the Companies Registration Office (CRO), Revenue, and other statutory bodies.
Support with registered office requirements for overseas and remote businesses.
Nominee director services, where appropriate, to help meet Irish company law requirements. Guidance on director responsibilities and ongoing compliance obligations.

Outsourced Accountancy

Audit & Assurance

Payroll & Compliance

Taxation & Tax Advisory

Restructuring & Insolvency Services

Business Support Services

Digital Currency Advisory

Company Secretarial & Regulatory Support

Companies Registration Office (CRO) filings and annual returns.
Maintenance of statutory registers and corporate records.
Director and shareholder updates.
Registered office and company secretarial support.
Ongoing compliance monitoring and reminders.

Ongoing Accounting, Payroll, & Advisory Support

Outsourced accountancy and financial reporting.
Payroll for your Irish team.
Management accounts and cash flow oversight.
Support for scaling operations in Ireland.
Liaison with global finance teams.
Strategic advice as your Irish presence grows.

What Our Clients Say

“We’ve been with CAS Advisory for over ten years now. Their reliable, hands-on approach is exactly what we need on the ground in Ireland. We know the services they provide to us are in hand, with no surprises. And if we need to seek expert advice, we can get it quickly through their senior management. We’ve grown (and continue to grow) together, and I can’t recommend them enough.”

“This is my second scale-up with CAS Advisory. CAS are more than accountants – they’re a sounding board and a strategic partner. I value being able to pick up the phone, get practical advice, and know that they understand our long-term vision. I know they are the right partner for us as we enter this exciting next phase of expansion into the UK.”

“Stephen and the team at CAS Advisory have played a pivotal role in the success of Clarity VP. Their strategic approach and consistently valuable advice have enabled us to sustain continued growth since launching in 2013. The team at CAS is truly outstanding and I look forward to continuing to work with them well into the future!”

With our previous firm, everything last minute. Since switching to CAS Advisory, we’ve gained a partner — responsive, knowledgeable, and always one step ahead. They understand our sector, offer solid advice, and deliver a hassle-free audit across all our companies. Stephen, Corina, and the who team there are responsive, flexible, and great to deal with- I’d be happy to recommend CAS!”

“The team at CAS are a huge support to O’HareTEP. We’ve been steadily growing over the past few years and that’s partially down to my ability to focus on business growth, while CAS Advisory looks after all my accounts, tax, payroll, and audit. They’ve been particularly valuable in helping me navigate the purchase of equipment from various locations across Europe - they’re genuine experts. I’d highly recommend CAS Payroll.”

What You Can Expect with CAS-Led International Business Support

Responsive, Innovative & Attentive

Clear Direction from Day One

We take the time to understand your business, your structure, and your expansion plans.
You receive a clear roadmap for establishing your business in Ireland.

Practical, On-the-Ground Support

We act as your local partner in Ireland.
You get straightforward guidance that reflects how business is done here.

Advice That Supports your overall Strategy

We align Irish requirements with your global structure.
Our advice is practical, coordinated, and commercially focused.

Direct Access to Experienced Advisors

You work with people who understand real business challenges.
Support is accessible, responsive, and grounded in experience.

A Service That Scales with You

As your Irish and European operations grow, we adapt our support.
You always have the right level of expertise in place.

Why Choose CAS for Establishing a Business in Ireland

A trusted partner for international business expansion

Strong experience supporting US and multinational companies over 15 plus years.
Deep understanding of Irish tax and regulatory requirements.
Practical, commercially focused advice.
Responsive and approachable team.
End-to-end support from setup to ongoing operations.

Planning to establish a business in Ireland?

If you need expert support with setting up a company in Ireland, navigating tax requirements, or managing ongoing compliance, we are here to help.

Meet Your Ireland Market Entry Specialist

Founder & MD