Hinricher & Cousino, LLP is a Certified Public Accounting firm based in Thousand Oaks, California. The firm serves clients throughout the United States, with a strong Southern California presence in Ventura, Los Angeles, Orange, and Riverside counties.

Its work includes accounting, tax preparation, bookkeeping, and audit services for individuals, couples, families, not-for-profit entities, and small businesses. The firm notes experience with real estate, nonprofit, manufacturing, wholesale, and trucking clients, along with individual, partnership, trust, corporate, and estate tax returns.

Services also include tax planning, IRS notice and audit help, business audits with emphasis on nonprofit companies and HUD projects, and support for real estate transactions. Meetings may be handled in person, onsite, or remotely.