KatzAbosch is a leading certified public accounting, tax and consulting firm headquartered in Timonium, Maryland and serves t ... he mid-Atlantic region with additional offices in Columbia, Bel Air and Rockville. KatzAbosch is ranked among the top 3 locally-based regional accounting firms by the Baltimore Business Journal, as well as ranked among Nation’s Best Accounting Firms to Work For by Accounting Today magazine. The firm provides tax and accounting services including cost segregation studies, business valuations, litigation support, forensic accounting, technology solutions, estate planning and administration, and personal financial planning. KatzAbosch provides clients with extensive industry experience and proactive solutions. read more