What Our Clients Say About Us

“Amid this uncertainty (US immigration process),
it's great to have a trusted and trustworthy, ethical guide on the journey...
I put 100% trust in O'Brien & Associates' work.”

Sean O'Sullivan, Managing Director, SOSV.

“Intuition has worked with O’Brien & Associates for many years … I would recommend O’Brien & Associates without hesitation.”
Bernie McArdle
General Manager, Intuition

“The advice and assistance that we received
was first class.”

Eddie Kent
Finance Director, DPS Engineering

O’Brien & Associates is a U.S. business immigration law firm with offices in New York City and Kilkenny, Ireland. The firm has offered a personal service to a broad range of domestic and international clients for over 10 years, from New York City offices, now located in the landmark Woolworth building in the downtown area.

In 2004, we opened an office in Kilkenny, Ireland to better serve an increasing number of Irish and European clients.

We pride ourselves on being accessible on a consistent basis, taking time to familiarize ourselves with client needs and interests. As an energetic boutique law firm, we guarantee prompt, individual and close attention.

We believe in developing lasting relationships and make corresponding with us easy.

Our telephones are answered personally and our response to client needs is timely and efficient.

We represent both individuals and corporations. Our client list includes businesses in the technology, telecommunications, publishing and new media industries as well as agri-business and pharmaceuticals. We also represent artists and people of extraordinary ability or achievement in the arts and motion picture industry.

We provide value for money and are committed to achieving the best results. We appreciate that our expanding client base is largely due to referrals from satisfied clients.

Thank you for your interest in O’Brien & Associates. We look forward to being of service to you.


Deirdre O'Brien
Founder of O'Brien & Associates.

Deirdre has been featured in the New York Law Journal, the Irish Law Society Gazette, the Irish Times and the Irish Independent, and regularly appears in print media, television and radio.

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