Sullivan
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Boston, MA – Sullivan & Worcester has announced that the firm and its attorneys have been highly ranked in the 2025 Chambers High Net Worth Guide. In the 2025 Guide, Nicholas O'Donnell has again been ranked in Band 1 in the Art and Cultural Property Law – Nationwide section, and the firm and Carole Bass have been newly ranked in the Private Wealth Law: Mid-Market – New York section. Rankings are based on extensive research and interviews with peers and clients around the country. The qualities assessed include technical legal ability, professional conduct, client service, commercial awareness/astuteness, diligence, commitment and other qualities most valued by the client.

Client Comments and Editorial from Chambers

Art and Cultural Property Law – Nationwide
Nicholas O'Donnell
of Sullivan & Worcester is highly regarded for his in-depth experience advising on restitution matters.

“Nicholas O'Donnell is the most knowledgeable and respected practitioner I have ever encountered.”

“Nicholas is always very timely, and he listens to us and accommodates our specific needs.”

“Nicholas O'Donnell's insights are always well thought out and well-articulated. They are concise and sensitively conveyed if necessary. It reflects his sharp intellect.”

Private Wealth Law: Mid-Market – New York
Sullivan & Worcester advises families, fiduciaries and family offices on domestic and international estate planning, administration, and charitable and lifetime gifting.

“Sullivan & Worcester have impeccable knowledge of the nuances of trust and wealth structure.”

“I can attest that the Sullivan & Worcester's lawyers who handled our affairs operated at a sophisticated, careful and creative level in all of our dealings.”

“Sullivan & Worcester are highly expert in the field and very responsive. They also have a good bedside manner.”

“Sullivan & Worcester are attentive and able to get the work done in a reasonable amount of time. The expertise and work provided to ultra-high net worth clients is terrific.”

“Sullivan & Worcester have a deep subject matter understanding and experience.”

Carole Bass advises affluent clients on their estate and wealth transfer planning.

“Carole Bass is a pleasure. She is very good at describing complex matters to clients.”

“Carole Bass is excellent across the board. She is personable and emotionally intelligent.”

“Carole Bass is amazing at private wealth structuring.”

“Carole Bass is a terrific trusts and estates attorney who has come to know our family well, which helps her think about our long-term needs.”

“Carole Bass is a people person, and she is very knowledgeable. She has everything about the law in her head.”

About Sullivan

Sullivan & Worcester (Sullivan) is a global, mid-sized law firm with lawyers in Boston, London, New York, Tel Aviv and Washington, D.C. Sullivan’s clients, including Fortune 500 companies, leading financial services firms and asset managers, boards of directors, real estate companies, and emerging businesses, rely on Sullivan’s ability to navigate complex legal and operational landscapes, the impeccable judgment of its lawyers, and its commitment to best-in-class client service.