Matheson is a full-service tax practice with distinction in cross-border transactions. The firm provides indirect, incentive planning, controversy, and transfer pricing services. Industry expertise covers insurance, energy, fintech and real estate. The head of tax is partner Shane Hogan, supported by fellow partners Joseph Duffy, Aidan Fahy, Turlough Galvin, Catherine O'Meara and colleagues.

The firm advised Horizon Therapeutics on its announced acquisition by Amgen, valued at approximately $28 billion. It also advised Johnson & Johnson on its Consumer Health business separation.

Client feedback

“Strong on US-Irish transactions.”

“Matheson's M&A practice is very strong.”

“Strong tax practice with specialism across a variety of areas.”

“Matheson provided timely accurate advice on how to structure the acquisition, the drafting of supporting documentation, and liaising with the Irish tax authority about the transaction.”

“Proactive, solution-focused approach.”

“Their technical knowledge is excellent. They communicate very clearly and are a pleasure to deal with. They are responsive and supportive. They were able to demonstrate an understanding of the organisation and issues at hand quickly and were able to ensure we received tailored relevant advice.”

“Practical, responsive, technically strong.”

“Very responsive and practical in their advice. Always pragmatic and solution oriented.”

“Matheson are very knowledgeable in tax controversy, both from a technical tax perspective as well as legal basis perspective. They provide sound technical advice for us to advance our cases with tax authorities. In addition, they have a good working relationship with the tax authorities to enable smooth running projects.”

“Execute on feedback provided by client. Technically strong.”

“Excellent understanding of the Irish tax environment, great connection to the relevant stakeholders in the Irish Revenue. Great at understanding our business and from that jointly developing a strategy for the negotiations.”

“Would highly recommend Matheson. They are very pragmatic and responsive and always commercially minded. They have a good understanding of our business and goals.”

“They have broad knowledge and experience in the specific area we were engaging them on, which was tax related. They had walked the same path many times before and it made us feel at ease we were in good hands. Matheson were able to steer the ship and work along with legal advisors in the other jurisdiction to resolve the matter.”

“It is a very personalised advice.”

“They are pragmatic and provide industry-specific advice in a timely manner. They are always available to bounce ideas off.”