Contact Us



Rosina Mah, CPA
Principal - Tax
Phone (310) 828-7547

Rosina Mah is a seasoned Certified Public Accountant based in Southern California with over 20 years of experience in business management, tax compliance, and planning.  She is a proud alumna of UCLA, graduating with a BA in Art History with a Specialization in Business and Administration. 

Rosina joined Given & Company in 2011 where she honed her expertise in tax compliance, providing tailored solutions for individuals, pass-through entities, and multi-state filings.  She provides exemplary anxiety resolution services for our clients ranging from high-net-worth individuals, small to medium sized businesses, real estate partnerships, and trusts.  Her comprehensive understanding of complex tax regulations and strategic planning has made her a trusted advisor to our clients and colleagues. 

Prior to joining Given & Company, Rosina worked for several highly respected Southern California business management firms specializing in the entertainment industry.  At these firms, she quickly gained and developed her knowledge and experience in providing excellent business management services, tax return compliance, and tax planning to high-net-worth individuals and their loan-out corporations and partnerships, whether they were performing on stage, in front of the camera, or behind the scenes.  During her time at one of these firms, she played a crucial role in valuing the successful sale of a music catalog of a beloved music group. 

Rosina’s commitment to excellence and personalized service ensures that each client receives the highest level of professional care. Whether navigating the intricacies of tax compliance or optimizing tax strategies, Rosina is dedicated to helping her clients achieve their financial goals.

Memberships and affiliations include the American Institute of Certified Public Accountants (AICPA), the California Society of Certified Public Accountants (CalCPA), and the UCLA Alumni Association.