About Riordan & Associates, CPA's

Welcome to Southern California’s premier accounting and tax services provider! Our team of highly talented individuals that has the expertise & experience to deliver the service your business needs to grow. With a wealth of knowledge and technical know how you can rest assured everything will be handled from start to finish.

The CPA firm started out with a focus on large corporations and Fortune 500 companies. After several years we realized individuals and small to middle market companies were severely underserved and would benefit from our expertise. The response to our efforts to serve these clients has been great. It shows that the simple things matter most. Responding to clients calls and performing is what we do best.

Riordan & Associates specializes in tax preparation, bookkeeping, payroll, sales tax and consulting for individuals and small to middle market companies throughout Orange County and its surrounding areas. Services Include: Tax Preparation, Corporate tax preparation. The team is comprised of CPAs, Quickbooks Pro Advisors and other professionals with over 30 years of experience. You can depend on us. We are there when you need us most.

Our growth and success has been based upon the results we achieve for our clients. With a focus on integrity, quality and value we provide clients with the highest level of expertise and personalized service. We view every client relationship like a partnership- Our success is the result of your success.

Dedicated to excellence and professionalism, we make it a priority to stay current with the latest laws, trends and educational opportunities available to the accounting industry.

In today’s world it takes more than a strong effort to provide exceptional accounting services. It takes a knowledgeable expert with the skills & ability to exceed your expectations.

“Riordan & Associates bailed me out of a very bad situation with the IRS. I don’t know what I would have done if it weren’t for his expert advice.”
Amanda S.
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It's Tax Time!

Get your Personal & Business Taxes done with us before April 15th! Just click the link to request a free consultation.