Sinéad McMahon
Tax Partner
A Fellow of Chartered Accountants Ireland and a Chartered Tax Advisor, Sinéad McMahon graduated from TUD with First Class Honours in Business and Management, and subsequently built a career defined by technical expertise, mentorship, and a commitment to people-first leadership.
Since joining RBK in 2013, Sinéad has spent the past decade steadily progressing through the firm – from senior team member to her current role as Tax Partner and has gained extensive experience working with clients across a broad spectrum of industries including hospitality, manufacturing, professional services and property / construction in this time.
Sinéad advises a wide-ranging portfolio of corporate and personal clients on incorporation, reorganisations, succession planning, VAT, and due diligence. She also works closely with RBK’s corporate finance team on M&A transactions and plays a key role in advising international groups on tax and payroll matters as they expand into or out of Ireland.
Outside of client delivery, Sinéad leads the Women’s Leadership Collaboration group within RBK’s international network, LEA Global, and plays an active role in the firm’s leadership training and ESG initiatives. She’s a passionate advocate for a collaborative, inclusive work culture that balances excellence with empathy.
