O'Connell Brennan

Welcome to O'Connell Brennan

A Boutique Private Client Law Firm

O’Connell Brennan specialise in personal estate & tax planning, and advising charities and not-for-profit entities.

We are a Private Client law firm specialising in personal estate and tax planning, and advising charities and not-for-profit entities. We preserve and develop relationships with our clients by taking a bespoke, personal approach to our clients’ affairs, to provide practical solutions to often complex issues.

We provide legal and advisory services to private individuals, families, trustees, family businesses, charities and non-profit organisations across all sectors. We offer a personal service, advising and assisting our clients in achieving their objectives in an ever changing legal, tax and regulatory environment. 

We are result-focused and provide solutions that are practical, personal and cost-effective.




O'Connell Brennan Solicitors
Armitage House,
10 Lower Hatch St.
Dublin 2


T: +353 1 681 4300
F. +353 1 681 4301
DX 109056 Dublin


Our Expertise


Personal Estate & Tax Planning

We advise clients in relation to wills, estate planning, estate and trust administration and charitable giving. Our clients include a wide range of individuals and institutions, including executives, entrepreneurs, families and trustees.

Charities & Not-For-Profit

We have significant experience in advising charities and not-for-profit organisations on their establishment, governance and all aspects of charity law.