Hinricher & Cousino, LLP is a Certified Public Accounting firm serving clients with accounting, tax preparation, bookkeeping, and audit services. Located in Thousand Oaks California, our firm serves clients throughout the United States, with a significant majority in the counties of Ventura, Los Angeles, Orange and Riverside of Southern California.

Our CPAs understand the intricacies of the tax code and the needs of small businesses, individuals, couples, families, and not for profit entities. Providing a wide range of tax and accounting services our accountant professionals provide legally sound and financially clear guidance to every client.

Government Audits

Our firm has widespread knowledge working within the governmental industry.   We invest our time in obtaining the necessary governmental continuing professional education as well as researching new professional standards in order to provide our clients with outstanding service.  Our clients are our first priority and we endeavor to meet financial reporting deadlines.  We strive to provide efficient and cost-effective audits for our clients in the governmental industry.

  • We specialize in the following services:
  • Audits in accordance with Government Auditing Standards (Yellow Book)
  • Audits in accordance with Federal Single Audit Act (OMB A-133)
  • Agreed Upon Procedures

We have experience in the following industries:

  • Cities
  • Counties
  • Special Districts
  • Audits of Water, Sewer, Flood and Sanitation Districts
  • Joint Powers Authorities

Peer Review

Pursuant to recently-enacted U.S. Treasury Department Regulations, we are now required to advise you that, unless otherwise expressly indicated, any federal tax advice contained in this communication, including attachments and enclosures, is not intended or written to be used, and may not be used, for the purpose of (i) avoiding tax-related penalties under the Internal Revenue Code or (ii) promoting, marketing or recommending to another party any tax-related matters addressed herein.