Melissa Sizemore


Melissa Sizemore, CPA, CGFM, is a partner who specializes in providing federal financial management and financial consulting services. Melissa’s expertise includes the preparation and review of financial statements in accordance with principles, standards and guidance from the Office of Management and Budget (OMB), the Federal Accounting Standards Advisory Board (FASAB), the Department of Treasury, and the Government Accountability Office (GAO). These standards include the Statements of Federal Financial Accounting Standards (SFFAS), the U.S. Standard General Ledger (USSGL), Treasury Closing Package, Intragovernmental reporting, and the Governmentwide Treasury Account Symbol Adjusted Trial Balance System (GTAS).

Melissa joined Sikich through the 2022 acquisition of Cotton & Company, a sophisticated leading organization in the local, state and federal government space.

Her extensive experience includes providing a wide range of financial consulting and accounting support services, such as advising and assisting clients with complex accounting and financial reporting issues, audit remediation efforts, financial management processes, accounting standard implementation, and audit concerns.

Melissa has also been recognized by George Mason University’s School of Business as a Prominent Patriot and the Alexandria Chamber of Commerce as a ‘40 Under 40’ Honoree for her professional accomplishments, scholastic achievements and community impact.


  • Virginia Society of Certified Public Accountants (VSCPA)
  • Association of Government Accountants (AGA), Northern Virginia Chapter


  • Bachelor of Science, Accounting, George Mason University
  • Certified Public Accountant (CPA)
  • Certified Government Financial Manager (CGFM)