Who We Are

Since 1995, M.S. Moser & Company, CPA, P.C. has been providing quality, personalized tax, accounting and financial guidance to local individuals and businesses.

Our expertise ranges from basic tax management and accounting services for small businesses to more in-depth services such as software selection and strategic planning.

M.S. Moser & Company, CPA, P.C. is one of the leading small firms in the Tulsa, Oklahoma area. By combining our expertise, experience, and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve.

Our dedication to high standards, personal service and relevant continuing education is the reason our clients return year after year.


Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients’ needs through research and sound analysis.

M.S. Moser & Company, CPA, P.C. is dedicated to meeting these goals with the high standards of excellence and professionalism.

Mary S. Moser, CPA

Owner of M. S. Moser & Company, CPA, PC.  Mary opened her practice in 1995 and has been a CPA for over 30 years.  Before opening her practice, Mary served fifteen years as an internal auditor and business process consultant with a major oil company. She earned her undergraduate degree and Master of Taxation Degree from The University of Tulsa.

 Mary has been active in a number of professional and business associations including the Tulsa Chapter of the Oklahoma Society of CPAs, ProLink$ of Tulsa, Dust Bowl Whitewater and the Tulsa Wave.  She also supports the Conference of Accountants at the University of Tulsa, which provides scholarships for deserving students in the field of accounting.

Mary is a Tulsa native who enjoys travel, home renovation projects, gardening, music, and white water kayaking in her free time.