McWilliams is an Austin, Texas-based governmental affairs consulting firm that offers the intimacy of a boutique lobbying firm with the resources and capabilities of a national organization.

Andrea and Dean McWilliams, McWilliams' founders, have decades of strategic experience working in and around the Texas Legislature. The firm’s principals are unique in that they are a husband/wife, bipartisan lobby team - ensuring that the client is always represented on both sides of the political aisle. The firm offers a combination of detailed, information-based lobbying together with unparalleled expertise in the Texas legislative process. 

At McWilliams, the principals are always intimately involved in every aspect of the client relationship and employ an individualized, hands-on approach specifically tailored to each client's needs. On behalf of our clients, we are involved at every level of crafting policy in both the legislative and regulatory arenas.


Dean McWilliams


Taylor Calvin
Legislative Director


Andrea McWilliams

Th headshot.jpg

Trevor Hand
Legislative Aide


Dan Mays, J.D.
General Counsel


Layne Meyers
Billing Administrator