Thomas P. Cassidy

Thomas P. Cassidy

Of Counsel

(202) 375-2226


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Practice Areas
  • Government Services
  • Business Law
  • Congressional Investigations
  • Litigation
Practice Locations
  • Washington, D.C.

Tom Cassidy is an attorney and senior public policy advisor. Over his more than 30-year career, he has worked as a staffer on Capitol Hill, a senior public affairs advisor for several Washington, D.C., law firms, and in various government relations roles in the private sector. Tom intends to rejoin a law firm at which he can work on government contracting, corporate, real estate and financial institutional matters.

Tom currently represents large companies in many industry sectors including tech, gaming, renewable energy, infrastructure and wastewater management. Federal agencies he has worked with on behalf of clients include EPA (energy), the FAA (drones), the Department of Education (investigation) and the FTC/CFPB (administrative litigation). He has also handled matters for clients before a number of Washington, D.C. regulators including the Banking and Securities office, the Public Service Commission and DC Water.

In the municipal and local government space, Tom has significant experience representing trade associations and healthcare insurers before the District of Columbia’s Department of Insurance, Securities and Banking, and the Department of Health Care Finance. He has also represented interests before the D.C. City Council and advised local officials on election law issues.

Throughout his career, Tom has cultivated long-standing relationships with members of Washington’s business community and local government, and federal legislators and regulatory entities. His extensive experience working with stakeholders across industry sectors allows Tom to conscientiously and creatively resolve his client’s concerns. Tom has strong working relationships with members of the House of Representatives and with Senators from both political parties. He has particularly close ties to Democratic Party Representatives from New England, including Richard Neal (Chairman, Ways and Means) and Senator Ed Markey among others.

Tom graduated from Villanova University with a degree in political science and a minor in African American Studies. While working on Capitol Hill Tom graduated from Howard Law School.

Court & Bar Admissions

  • District of Columbia


  • Villanova University
  • Howard Law School

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