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.


The accounting firm of Hinricher & Cousino, LLP was established in 1992.

Our office is located in Thousand Oaks, California. We can arrange to meet at your office or home for your convenience.

We specialize in real estate, Non Profits and small businesses in manufacturing, wholesale and trucking but we are competent in preparing all types of tax returns including individual, partnerships, trusts, corporations and estate tax returns. We provide individual and business tax planning. Our firm provides many other services which include audits of all forms of business with an emphasis on nonprofit companies and HUD projects, as well as real estate transactions.

We are committed to providing close, personal attention to our clients. We take pride in giving our clients the assurance that the personal assistance they receive comes from years of advanced training, technical experience and financial acumen. Our continual investment of time and resources in professional continuing education, state-of-the-art computer technology and extensive business relationships is indicative of our commitment to excellence.

Give us a call to schedule an appointment to evaluate your needs and meet our team of professionals.

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.