Mark E. Rapson, CPA, CGMA


Background & Experience

Mark Rapson, a Director with BlueStone Services and its parent company KatzAbosch. With nearly 20 years of experience helping clients deliver world-class compliance in their organizations.

Mark serves as Chair for BlueStone Service’s Outsourced Business Consulting Group. This team specializes in CFO, Controller, and Accounting Manager services. Mark provides access to expert Accounting, Controller, CFO Services for individuals and businesses. He ensures that financial, accounting, and management services are tailored to fit your company’s size, strategy, and needs.  Additionally, he works with a range of US subsidiaries of international organizations from assisting them in establishing a US presence to support for back-office accounting, tax and human resource functions. Mark has written published articles on accounting, tax, and management issues, and has presented at numerous conferences.


Towson State University, Bachelor of Science, Business Management,
Cum Laude
| University of Baltimore; College of Notre Dame of Maryland, Additional graduate and undergraduate level accounting, taxation, and business law courses

Areas of Specialization

Mark provides a full range of Outsourced accounting and tax services for clients including but not limited to:

  • CFO Advisory/Outsourcing/Interim Management
  • Business Process Outsourcing and Advisory
  • Mergers and acquisitions (M&A) consulting
  • Full-service outsourced accounting and finance
  • Forecasting and Cash Flow Analysis
  • New business planning and start-up
  • Cost management and budgeting
  • Forecasting and Cash Flow Analysis
  • Pricing Analysis/Indirect Rate Preparation/Contract Reviews
  • Enterprise Risk Assessments (Financial, Operational, Technology)
  • Bookkeeping
  • Selling, General, and Administrative Expenses Analytics & Optimization
  • International Tax Compliance

Professional Designations

  • Certified Public Accountant, 1997
  • Charter Global Management Accountant, CGMA

Professional Affiliations and Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • Maryland Association of Certified Public Accountants (MACPA)
  • Life and Breath Foundation, Board Member
  • Revolution-Football charitable youth sports organization, Founder and Board Member
  • Harford County Library Foundation, Past Board Member
  • Towson University Alumni, Past Board Member

Speaking Engagements

  • UMBC Incubator Presentation: Cash Flow/Budgeting
  • Activate: Budgeting
  • Smart Start Your Business
  • Client Management and Advice During Difficult Economic Times
  • The Cost of Starting a U.S. Office