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Rockville, MD Office

Marcum Professionals

Rockville, MD

Jane Brooks Horn

Jane Brooks Horn

Partner-in-Charge, Tax & Business, Washington, DC Metropolitan Area

  • Tax & Business
  • Rockville, MD
Mitra  Mamdouhi

Mitra Mamdouhi


  • Tax & Business
  • Rockville, MD
Buu-Linh  Tran

Buu-Linh Tran

Director - Financial Solutions Architect

  • Marcum Technology
  • Rockville, MD

Tax & Business

Marcum LLP’s Rockville, MD Tax & Business Services division offers all forms of accounting and regulatory compliance services. We specialize in a variety of areas including accounting services, bankruptcy & insolvency, business advisory, corporate taxation, family wealth services, financial statements, international taxation, state & local taxation, tax controversy, tax credits & incentives, tax-exempt business, tax return compliance and transaction advisory. Our high degree of specialization ensures that both the advice and services clients receive are specific to their needs.


Marcum LLP’s Rockville, MD Assurance Services division provides independent audit, attestation and transaction advisory services to both publicly traded and privately owned companies in a wide variety of industries. The overall mission of the Assurance Services division is to provide clients with an independent and objective view of their financial condition and results of operations while maximizing the transparency and reliability of financial information provided to investors, creditors and other stakeholders for their use in making timely investment and business decisions.


Marcum LLP’s Rockville, MD Advisory Services division helps you innovate and seize opportunities. Business owners and managers choose Marcum for our pragmatic, industry-focused insights. And, because we come to know your business well, our ability to anticipate. To spot needs before they’re obvious. To meet challenges before they reach the problem level. At Marcum, we’re not selling services. Our mission is to help your organization become more successful.

Coronavirus Resource Center

Have more questions about the impact of the coronavirus on your business? Visit Marcum’s Coronavirus Resource Center for up-to-date information.