About

Nancy D. O’Neil is an experienced tax attorney serving clients from Baltimore, Maryland, with a legal practice focused on tax law and related matters. Throughout her career with the Law Offices of Nancy D O’Neil, as well as through her work with Hogan Lovells US LLP and Hogan & Hartson LLP, she has developed a strong understanding of the complexities that can arise in tax matters for individuals, businesses, and organizations. Her background reflects a long-standing commitment to providing practical, informed guidance in a highly technical area of law. Known for her thoughtful and professional approach, Nancy works to help clients navigate tax issues with clarity and confidence. She understands that tax concerns often involve significant financial and personal stakes, and she approaches each matter with careful attention to detail and a focus on effective solutions. Whether assisting with tax planning, compliance, or other tax-related legal needs, she aims to provide counsel that is both strategic and responsive to each client’s goals. Clients seeking a knowledgeable Baltimore tax lawyer can turn to Nancy for dedicated representation grounded in experience and professionalism. She is committed to delivering clear communication, dependable legal insight, and a client-centered approach to tax law. From her office at 111 South Calvert Street, she continues to serve the legal needs of clients seeking trusted tax counsel in Maryland.

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