
Corporate Redomiciliations and Migrations
We are the market leading advisers on inbound and outbound re-domiciliation and M & A inversion transactions involving the corporate and tax migration of international corporations to and from Ireland. In particular, our team brings together an unrivalled expert and practical knowledge of the interaction of Irish, EU and US corporate, tax and securities laws that can only be developed through long standing experience.
Experience Highlights
- Advising Circle Internet Financial Limited on all aspects of its re-domiciliation from Ireland to Delaware.
- Advising Aon, the global consulting and professional services firm, on its US$38 billion corporate re-domiciliation from the UK to Ireland, and the listing of its new Irish registered holding company, Aon plc, on the NYSE.
- Advising Cimpress on its US$3.1 billion corporate re-domiciliation from The Netherlands to Ireland, and the listing of its new Irish registered holding company, Cimpress plc, on Nasdaq.
- Advising STERIS, a leading provider of infection prevention and other procedural products and services, on its US$10.5 billion corporate re-domiciliation from the UK to Ireland, and the listing of its new Irish registered holding company, STERIS plc, on the NYSE.
- Advising Weatherford on its US$17.2 billion corporate re-domiciliation from Switzerland to Ireland, and the listing of its new Irish registered holding company, Weatherford International plc, on the NYSE.
Our Team

Fergus Bolster is a partner in the firm’s Corporate M&A Group, where he advises on mergers and acquisitions, capital markets transactions, corporate restructurings and reorganisations (including corporate re-domiciliation and demerger transactions), financings and investments and corporate governance.
Fergus represents public and private companies, financial sponsors, State bodies and investment banks, transacting in a variety of industries and sectors, including technology, energy and healthcare. He has led the Matheson teams advising on some of the largest and most-complex public and private M&A, capital markets, corporate restructuring and inbound and outbound re-domiciliation transactions of recent years in the Irish market. Fergus is widely recognised for his actionable advice and understanding of the issues faced by Irish public companies listed in the US, in particular relating to the interaction of Irish and US corporate and securities laws.
Fergus counsels corporate clients on a broad range of governance and business-related matters, including directors’ duties and responsibilities, ESG, disclosure obligations and compliance matters. This advice is often provided to boards and individual directors in situations where the satisfaction of their fiduciary duties may be subject to public or enhanced scrutiny.

George is a partner in the firm’s Corporate M&A Group. In over 25 years of practice, he has advised on many of the most significant and complex Irish corporate transactions across a range of industry sectors.
George is listed as a leading corporate lawyer across a range of publications including IFLR1000, Chambers Europe and The Legal 500.

Gráinne Boyle is a partner in the firm’s International Business Group. She practices Irish corporate law, with a primary focus on advising US and other international clients establishing operations, and doing business in and from Ireland.
Gráinne provides advice in relation to inward investment projects, providing insights on the Irish legal considerations associated with establishing operations and headquarters in Ireland.
She also provides ongoing corporate governance advice in connection with the day-to-day operation of Irish businesses. As part of this role, Gráinne acts as an external board advisor, and provides strategic advice on best corporate governance practices.
Susan Carroll Chrysostomou
Partner

Susan is a partner in Matheson’s Corporate M&A Group, with a particular focus on public company transactional, advisory and corporate governance matters.
Susan advises clients on public M&A, redomiciliations and equity capital markets transactions, having particular expertise in advising US and other international clients on cross-border acquisitions of Irish companies, migrations, capital raisings and equity capital markets transactions (undertaken domestically and by Irish companies listed on US and other foreign exchanges).
As a founding member of the firm’s Public Company Advisory and Corporate Governance Group, Susan counsels clients on the full range of corporate governance, compliance, securities laws and advisory matters that arise for both listed Irish public companies and large private companies.

Emma practises corporate law and regularly spends time in the US with her clients. She works with international companies on the establishment, expansion and operation of their businesses in Ireland.
Emma also advises clients on the complex legal issues that can arise on international transactions involving Irish subsidiaries of foreign companies, including advising on a broad range of corporate reorganisations. She regularly leads group-wide multi-jurisdictional international restructuring projects.

Pat English is a Partner in the Corporate Department at Matheson. He is head of the firm’s market-leading International Business Group and co-head of the Firm’s US Business and Inward Investment Groups.
Pat is a highly experienced corporate lawyer focusing primarily on advising overseas clients on establishing operations and doing business in and from Ireland.

David is a partner and Co-Head of the Firm’s Corporate Department and Head of the Corporate M&A Group.
He has extensive experience assisting clients across a range of industries on doing business in and from Ireland, including advising on acquisitions/disposals, capital raisings, corporate migrations, cross-border mergers, joint ventures and reorganisations. David has significant experience advising on take-private transactions and has advised on many of Ireland’s most notable transactions.
He has worked with a wide range of domestic and international corporations providing ongoing strategic advice to their boards. He has a broad-based practice reflecting his considerable experience across the agri-food, financial services, healthcare / life sciences and manufacturing sectors.

David is a partner in the Corporate M&A Group, based in Matheson’s New York office.
David advises on a broad range of public and private company transactions, specialising in equity capital markets deals, public company M&A (hostile and recommended offers), group reorganisations and corporate redomiciliations.
He also advises corporate and individual clients on European securities law, Irish and UK Listing Rules and the Irish Takeover Rules, as well as Irish company law.

Susanne is a partner in Matheson’s Corporate Group specialising in corporate advisory matters and equity capital markets transactions.
Susanne has particular expertise in corporate governance and compliance matters and in securities regulation under the Market Abuse Regulation and the Transparency and Prospectus regimes, the Irish Listing Rules and the Irish Takeover Rules.

Kieran Trant is a partner and a member of the US Business and Inward Investment Groups at Matheson.
Kieran practices corporate law and works with international companies on the establishment, expansion and operation of their businesses in Ireland. Kieran also advises clients on the complex legal and commercial issues that can arise on international transactions involving Irish subsidiaries of overseas companies, including advising on a broad range of corporate reorganisations.
As their Irish corporate counsel, Kieran also advises multinational companies on a broad range of corporate governance and general commercial issues, including directors’ duties and compliance matters. In addition, he provides ongoing corporate advice and strategic counselling to clients, including advice in relation to distributions and complex cash repatriation strategies.
Kieran was previously seconded to Matheson’s Palo Alto and San Francisco offices and is a frequent visitor to the San Francisco Bay Area and other US locations where his clients are based.

Tomás advises Irish and international corporations doing business in and from Ireland on all aspects of corporate taxation.
He primarily advises on corporate acquisitions, reorganisations, tax structuring for inbound and outbound investment, and tax controversy. Tomás also frequently advises on Irish stamp duty matters particularly in the context of global corporate transactions.
Tomás regularly publishes articles and chapters in leading tax publications on international and domestic tax matters. He is a qualified solicitor and Chartered Tax Adviser (CTA).

Joe Duffy is a partner in the tax group at Matheson.
Joe has 20 years’ experience in corporate tax law and advises on international restructurings, mergers and acquisitions, tax controversy and transfer pricing. Joe’s clients include many of the leading multinational corporations established in Ireland, primarily in the pharmaceutical, technology, industrial and service sectors.
Joe speaks regularly on international tax matters in Ireland and abroad. He has also written extensively on international tax matters.

Philip is a partner in the Tax Department at Matheson. Philip advises multinational corporations doing business in and from Ireland on all aspects of corporate tax. He advises on corporate reorganisations, inward investment projects and cross-border tax transactions as well as transfer pricing matters and tax disputes.
Philip is a member of the Irish Taxation Institute, the Law Society of Ireland and the International Bar Association (IBA) and is a regular participant on international tax panels organised by the IBA and the American Bar Association (ABA). Philip is Contributing Editor of the ‘Doing Business In..’ guide published by Chambers. Philip has served as the national reporter for Ireland for the Taxes Committee of the IBA and has acted as Branch Reporter for the Cahiers prepared by the International Fiscal Association (IFA).















