MacAllister, Aldridge & Simon, P.C., often referred to as Mac Attorneys, is a distinguished law and government relations firm headquartered in Washington, D.C. Founded in 1985, the firm provides comprehensive legal counsel and strategic advocacy services with a strong focus on federal appropriations, legislative strategy, and representing clients' interests before the U.S. Congress and federal agencies. They serve a diverse clientele including corporations, non-profit organizations, educational institutions, and local governments, assisting them in navigating complex regulatory landscapes and achieving their policy objectives. The firm is known for its bipartisan approach and deep understanding of the legislative and executive branches of the U.S. government, offering tailored solutions to meet specific client needs.
The headquarters serves as the central hub for all the firm's operations, including legal services, government relations, client consultations, strategic planning, and administrative functions.
The office is situated in a modern commercial building in historic Georgetown, likely featuring professional, well-appointed spaces for client meetings, collaborative work, and legal research, benefiting from the area's amenities and accessibility.
A highly professional, intellectually stimulating, and collaborative atmosphere is fostered, driven by the demands of high-stakes government relations and legal work. The culture emphasizes meticulous research, strategic thinking, ethical conduct, and a client-centric approach focused on achieving objectives within the complex D.C. political and legal environment.
Its Washington, D.C. location is paramount to its core mission, enabling direct and effective engagement with Congress, federal agencies, and other policy-making bodies. This proximity facilitates timely advocacy and intelligence gathering for clients.
MacAllister, Aldridge & Simon, P.C. is primarily focused on U.S. federal government relations and legal matters from its Washington, D.C. headquarters. While they may represent international clients or domestic clients with international interests concerning U.S. policy, regulations, and market entry, their physical operational presence is concentrated in the United States. Their global reach is typically characterized by advising international entities on navigating the U.S. political and legal landscape.
1000 Potomac Street NW, Suite 200
Washington
D.C.
USA
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As of April 2025, Mittal Steel' leadership includes:
Mittal Steel has been backed by several prominent investors over the years, including:
Based on publicly available information, there have been no major new hires or departures at the Principal/Executive leadership level for MacAllister, Aldridge & Simon, P.C. in the last 12 months. The firm appears to maintain a stable and experienced leadership team. Any staff changes below this top executive tier, such as director-level appointments, are part of routine operational developments.
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MacAllister, Aldridge & Simon, P.C. likely utilizes a common professional email format. Based on observed patterns for professionals at the firm, the most probable format involves the first initial followed by the last name.
[first_initial][last_name]@macattys.com
Format
paldridge@macattys.com
Example
85%
Success rate
macattys.com • October 26, 2023
The firm published an analysis on the complexities of the FY2024 appropriations process, highlighting challenges such as the debt ceiling agreement's impact, intra-party divisions, and the potential for a government shutdown, while offering strategic advice for stakeholders....more
macattys.com • June 29, 2023
MacAllister, Aldridge & Simon, P.C. announced the appointment of Claire O’Leary as its new Director of Operations. In her role, Ms. O'Leary is expected to enhance the firm's operational efficiency and support its client service initiatives....more
macattys.com • May 4, 2023
The firm provided expert commentary on the Fiscal Year 2024 budget and appropriations cycle, outlining key considerations for organizations seeking federal funding or navigating policy changes....more
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