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30 years of government relations and successful advocacy
for some of New Jersey’s largest businesses.

New Jersey lobbying, with a strong record of achievements in overcoming state and local challenges

Dennis Marco

Your Advocate

Managing Partner Dennis Marco

30 years of lobbying and public affairs management.

New Jersey lobbying firm Hamilton Public Affairs guides companies in managing regulatory and legislative issues at the local, state and federal levels.

We provide a full range of government relations services in New Jersey and the region, such as lobbying, grass-tops and grassroots advocacy, strategic crisis management and communications, business development and political contribution consulting to ensure compliance with New Jersey’s strict Pay to Play laws.


  • Government Relations
  • Strategic Planning

  • New Jersey Lobbying

  • Legislative Monitoring

  • Legislative Bill Preparation

  • Policy Analysis

  • Business Development

  • Coalition Building

  • Community Relationship Building

  • Grassroots Outreach

Learn more about our services



Economic Development



With Hamilton Public Affairs, it’s always personal

Hamilton Public Affairs has a record of policy achievement that rivals that of any New Jersey lobbying firm, while providing a level of personal involvement that larger New Jersey lobbyists just can’t match.

Our clients come from the private, public and nonprofit sectors. They operate at the local, state and national level.

With specific expertise in New Jersey’s healthcare and transportation industries, we’ve overcome hurdles to achieve results that others thought were unlikely, if not impossible. In today’s competitive and complex business climate, our New Jersey lobbyists guide you through the maze and minefields of public policy and we make the difference between disappointment and success.

At Hamilton Public Affairs, we take it personally.

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Skilled advocacy yields results for clients

We’re proud of all the results we achieve for our clients. Here are two … you can read more about these and others by clicking the “Read More” links beneath each story.

Horizon BCBSNJ lowers physical therapy co-pays.
Following a prolonged effort between the state’s largest health insurer and the American Physical Therapy Association, Horizon agrees to lower co-pays for physical therapy visits.

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A large New Jersey hospital system seeks an advocate after being denied participation in a key hospital network.

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