Plummer Lott, formally known as Plummer, Lott & Co., is a United States‑based law firm that specializes in insurance, risk management, and related regulatory matters. Headquartered in New York City, the firm provides legal services to a broad range of clients, including insurance carriers, brokerage firms, financial institutions, and corporations.
History
Plummer, Lott & Co. was founded in 1911 in New York City by attorneys William H. Plummer and William H. Lott. The firm initially focused on general commercial practice before developing a niche in insurance law during the mid‑20th century. Over the ensuing decades, Plummer Lott expanded its practice areas to include coverage litigation, regulatory compliance, reinsurance, and risk‑management consulting.
Practice Areas
The firm’s principal practice areas include:
- Insurance Coverage – Defense and prosecution of coverage disputes, including property, casualty, professional liability, and marine insurance.
- Regulatory and Compliance – Advice on state and federal insurance regulations, licensing, and reporting requirements.
- Reinsurance – Structuring and negotiation of reinsurance agreements, as well as dispute resolution.
- Risk Management – Consulting services aimed at identifying and mitigating potential liabilities for insurers and corporate clients.
- Litigation – Representation in state and federal courts, arbitration, and mediation concerning insurance and commercial matters.
Geographic Presence
While the firm’s primary office is located at 100 Wall Street, New York, NY, Plummer Lott maintains additional offices in major U.S. financial centers, including Washington, D.C., Chicago, and San Francisco. The firm also collaborates with international counsel to support cross‑border transactions and disputes.
Notable Clients and Cases
Plummer Lott has represented a variety of prominent insurance carriers and financial institutions in high‑profile litigation and regulatory matters. Notable representations include defense of major property‑casualty insurers in large‑scale catastrophe litigation and counsel to brokerage firms during the implementation of the Dodd‑Frank Wall Street Reform and Consumer Protection Act. Specific case details are generally confidential due to client privilege.
Professional Recognition
The firm is frequently cited in legal publications for its expertise in insurance law. Its attorneys have been listed in industry rankings such as Chambers USA, The Legal 500, and Best Lawyers for Insurance Coverage and Regulatory Practice.
Affiliations
Plummer Lott is a member of various professional organizations, including the American Bar Association’s Section of Insurance Law and the International Association of Insurance Law Professionals.
Publications and Thought Leadership
The firm regularly publishes articles, white papers, and alerts on emerging issues in insurance regulation, emerging risks (e.g., cyber liability), and developments in coverage law. These resources are disseminated through the firm’s website and industry conferences.
Corporate Structure
Plummer Lott operates as a limited liability partnership (LLP). The partnership is governed by an executive committee that oversees strategic direction, business development, and client service standards.
References
- Plummer, Lott & Co. official website (www.plummerlott.com) – firm overview and practice descriptions.
- Chambers USA, “Insurance: Coverage” – firm ranking and profile.
- The Legal 500, “Insurance Law – United States” – firm entry.
This entry reflects information available from publicly verifiable sources as of May 2026.
