About Us

Abacus Financial Services is a full service firm, offering a wide range of services adapted to the needs of our clients. Abacus  was  founded in 1982  by Mary Louise Turpin EA,  in San Diego, California.  Christina Turpin EA  joined the firm in 2007, after graduating with her B.Acct degree in Accounting and several  years working for CPA firms. 

Christina Turpin EA is now the primary Accounting and Tax Professional contact for Abacus.  

Mary Louise Turpin, EA  is semi-retired, but keeps involved in the company with Tax Preparation for our Military, Out Of State and Trusts clients.  

In 2012 we celebrated 30 years in business serving small business clients, individuals, corporations, trusts,  etc.  We enjoy working with a wide variety of clients.  Our company  specializes in accounting,  financial and tax preparation services-tailored to the needs of our clients, that address their individual challenges and concerns.

We specialize in:

  • Tax return filing and tax planning for individuals
  • Bookkeeping and financial statements for small businesses
  • Corporate, Partnership, and Trust  tax return filing
  • Military and Out of State tax return filing

As Enrolled Agents we are licensed to practice by the United States Treasury Department to represent  taxpayers before the Internal Revenue Service.  Enrolled Agents are the only tax professionals who can represent clients in all of our 50 states. Annual participation in Continuing Professional Education courses offered by local chapters of national accounting and tax associations keeps our firm on the leading edge of ever-changing tax laws and accounting methods.