Best Certified Public Accountants in Thousand Oaks, CA
Handpicked from 144 vetted & reviewed Audit, Tax and Advisory firms in the Thousand Oaks area, discover the top 5 elite providers among the selected group of 24 finalists.
Learn how we score.
Top-rated companies A-Z in Thousand Oaks
Andrew P. Dragotto, CPA
Kevin Jester C.p.a.
Premier Tax & Finance
The Law Office of Jeffrey T. Gillingham
The Rosson CPA
Prominent finalists A-Z in Thousand Oaks
Alamir CPA & Associates
Bartmasser & Co
Bessolo Haworth
Brewer & Tominaga, Cpa’s
David Reinus CPA
Dawson & Associates/Myvao
Fridman & Associates
Hinricher, Douglas & Cousino
Honest Accounting Group
J M Keehn Accountancy
Margo Linden Katz, CPA
Mark Smith Financial Services
NA Business Advisors AND Cpas
Nathan Leibowitz CPA
Rowshan & Co
Rsvp Cpas & Advisors
Stephen M Rousso & Associates: Rousso Stephen M CPA
Tax Preparation, Tax Planning, IRS Tax Problem Resolution
“She is professional, knowledgeable and easy to work with, and with her guidance and support we have streamlined and improved our accounting, financial management and tax outcomes.”
i
View Profile
Premier Tax & Finance
(21)
Planning Services, Tax Preparation, Entrepreneurial Success Plan
“He had both state and fed efiled before the bad guys could do it this morning several others filed this morning too late already been filed by bad guys....”
i
View Profile
The Law Office of Jeffrey T. Gillingham
(27)
Relationship
Tax
Financial
“At every stage of our interaction he demonstrated extraordinary patience and interest in the smallest details of the case, as well as a willingness to undertake whatever research was necessary to ensure that the substantial and intricate tax obligati...”
i
View Profile
Andrew P. Dragotto, CPA
(23)
Questions
Financial
“We've been with him for many years and he's always provided us with great service, advice, care, and a proactive approach that makes us feel lucky to have found him.”
i
Best of 2025
Qualification Criteria for best of Winners
Minimum Overall Score
98 (100)
Minimum Reputation Rank
98.7 Percentile
All of our award winners are based on identifiable facts - reviews, performance, and experience - collected by scientific means. We use this data to assess each business’s essential features, weighting them according to their importance to customers.
Government Audits, Pension Plan Audits, Real Estate
“Her availability for random questions, speedy response and dedication to establishing the proper legal methods for accounting and tax preparation has been the key to us never having any issues with the IRS.”
“Enoch was my lifesaver, when I was so lost in my accounting, he kindly helped me fix and replace lost money, I appreciate having found him and working with him, responsible, respectful and his patience to explain details and help us make this simple.”
“I feel like I can leave my taxes in her hands and be confident she will get them done and filed, which is a huge weight off my shoulders.”
i
View Profile
Mark Smith Financial Services
Services For Individuals, Business Services, Services For Quickbooks
“There's no time like the present to start planning your financial future. If you're ready to start planning for your retirement years, call us first. Don't wait until it is too late. We'll help you make sure your retirement years are nothing but smoo...”
i
View Profile
J M Keehn Accountancy
(1)
“Update: I have been in prison for two years and just got access to internet thanks to a very understanding judge.”
i
View Profile
Bartmasser & Co
“Bartmasser and Co, is here to help you plan for your future by assisting you with your tax needs today. We offer a wide range of services for individuals, corporations, estates and trust accounts. From tax return preparation to IRS representation, we...”
i
View Profile
Margo Linden Katz, CPA
(1)
“Even with many options today for tax filing made easy, an expert is always needed.”
i
View Profile
Rowshan & Co
(4)
“If he was busy he would call me back within the next few hours and I truly felt that I need to thank him and let him know that he is greatly appreciated.”
i
View Profile
NA Business Advisors AND Cpas
(2)
“I went to NA BUSINESS ADVISORS AND CPAS (NABA) 2 years ago, after having horrible experiences with other accountants.”
i
View Profile
Bessolo Haworth
(1)
“Been with them for many years.”
i
View Profile
Stephen M Rousso & Associates: Rousso Stephen M CPA
(1)
“He helped us with Trusts, probate and always taxes.”
i
View Profile
Dawson & Associates/Myvao
(1)
“I have been using these Encino accounts for two years and I am happy with their skill and dedication to customer service.”
i
View Profile
Steven M. Spector, Cpa, PFS
“Steve has worked as a licensed CPA for 25+ years. In addition to working with privately held businesses and high net worth individuals, for 11 years Steve served on the Board of Directors of a California based Community Bank. Steve chaired the Execut...”
i
View Profile
Rsvp Cpas & Advisors
Payroll, Tax, Tax Controversy
“We work with businesses and their owners, high net worth individuals, investors, and entrepreneurs who want more than a tax return or a set of financials from their accountant. We also help businesses maximize their impact by building a strong financ...”
i
View Profile
Nathan Leibowitz CPA
“Nathan Leibowitz is a CPA located in Sherman Oaks, Ca providing accounting and tax services. We have been serving the San Fernando Valley and Los Angeles for over 25 years with personal service and quality work at reasonable fees. Let us put our expe...”
i
View Profile
David Reinus CPA
(42)
Ethical
Questions
Decision
“However, it's beyond that, they really take care of us and wouldn't lets us forget about anything, they keep track of everything and guide for whatever we need.”
i
View Profile
Alamir CPA & Associates
(49)
Needs
Questions
Emails
“When other professional peers and friends have asked me for a recommendation, I confidently pass them Ali's contact information and encourage them to seek his services.”
i
View Profile
Fridman & Associates
(16)
Services For Individuals, Business Services, Quickbooks Services
“They are super-communicative, always do a fantastic job, are always prompt and on top of things, and have helped me figure out confusing tax situations on multiple occasions.”
i
View Profile
Brewer & Tominaga, Cpa's
(1)
Tax Planning, Financial Statements, Business Management
“We appreciate the great job they always do for us and the care they take with their service.”
i
Financial Statement Audit Services in Thousand Oaks, CA Cost Estimates