The Rosson CPA
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The Rosson CPA
As a qualified Thousand Oaks CPA firm and business advisor, Lauren Rosson CPA is in the best position to help streamline accounting processes and offer the sound financial guidance that will steer your business towards success. We will stabilize cash flow, take over your bookkeeping, and develop tax strategies to save you money.

Our smart, analytical, insights will make sense of your finances, lower your tax exposure, and increase profits so your business can grow. We also offer individual tax preparation and can deal with any existing tax problems quickly and efficiently. Regardless of which accounting and tax services you need, our approach is centered on customer service, with the goal of developing a lasting professional relationship.
Services
Lauren Rosson CPA is proud to serve the accounting, bookkeeping, and tax needs of a wide variety of small businesses. As a local Thousand Oaks, CA CPA firm and business advisor with offices in Los Angeles and Thousand Oaks, we'll provide the candid financial advice to help your business grow and prosper.
Small business owners need dependable financial guidance from a trusted Thousand Oaks, CA CPA firm in order to be successful in today's economy. At Lauren Rosson CPA we're much more than number crunchers. We not only keep your books in order and help you save money on taxes, we also strive to build a lasting relationship with your company.
The idea of starting a new business is an exciting prospect but there are many obstacles to overcome. The financial decisions made early on often dictate whether a new business will succeed or fail. For example, securing the right business structure is an essential part of minimizing your tax burden and maximizing your profits.
As the number one accounting software for small businesses, using QuickBooks is convenient and efficient, but only when the initial set up is performed properly. Make sure your business is ready to hit the ground running with QuickBooks by enlisting the help of Lauren Rosson CPA. As Thousand Oaks, CA Certified QuickBooks ProAdvisors, we have accounting software setup down to a science.
Why stress your resources by trying to handle all your accounting and bookkeeping tasks in-house? Consider outsourcing all or part of your accounting functions to Lauren Rosson CPA. As an experienced Thousand Oaks, CA CPA firm and financial professional, your books will be in good hands. We can take time-consuming tasks like payroll, accounts payable and credit card reconciliations off your plate so you can focus on bringing in new business.
Reviews (15)
Laura Maher
Laura Maher
Dec 29, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
The Rosson CPA has helped us for many years. We have referred many friends and other business owners to Lauren Rosson, CPA for her excellent year-round tax support. Great service, excellent pricing, and helpful clear-cut results. Everything you need in a CPA!
Thomas Yoon
Thomas Yoon
Sep 02, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
Lauren was very quick and accurate in doing my taxes. I have always had difficult returns, and Lauren was able to ask good questions to conduct a detailed report of my business. Thank you.
Joy Whittemore
Joy Whittemore
Aug 17, 2021
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Lauren has been so helpful with our personal and business taxes. We appreciate her and the time she spends dedicated to our success.
Brian Goo
Brian Goo
Jul 22, 2021
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Positive: Professionalism, Responsiveness
Lauren and her team at Rosson CPA, including Nancy, were a pleasure to work with. Rosson CPA kept me in the loop, answered questions in a timely manner, set expectations, and kept promises. Their secure file exchange also makes sending and receiving documents pretty seamless.
V.
V.
Apr 18, 2021
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Positive: Professionalism
Lauren Rosson, and her assistant, Nancy, are wonderful to work with. They made filing my taxes so easy. I really appreciate their clear communication and professionalism. Thanks and see you next year.
Lindsay Audette
Lindsay Audette
Mar 31, 2021
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Positive: Professionalism, Quality, Responsiveness
As first time business owners, working with Lauren has been wonderful. She is very thorough and great at explaining things. She makes us feel like we are in control and well taken care of with Rosson CPA....plus, as a female-owned business we love to support another female-owned business!
Tracy Adams
Tracy Adams
Mar 11, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
We've been using Lauren and her team for several years. They answer all of our tax questions quickly. Easy Zoom meeting made for contactless review of taxes. I've recommended her to many friends who are also very happy.
Paul Bakis
Paul Bakis
Feb 14, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
Lauren and her team at Rosson CPA take the time to explain everything in detail. With all the complicated tax laws, it is great to know I have someone who can help me understand how it all affects me. Very knowledgeable, responsive and professional. I'm glad to have Lauren as my CPA and I highly recommend her to all!!!!
Steve Z.
Steve Z.
Nov 21, 2020
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After my accountant retired about 12 yrs ago, I tried a number of different CPAs; some made multiple errors, some were outrageously expensive.

For the past 6 years, I have used Lauren Rosson. She's very knowledgeable, friendly, easy to reach and quick to respond to calls & questions - a pleasure to deal with.
Greg Handy
Greg Handy
Jul 29, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
Lauren Rosson is a knowledgeable tax professional that is always willing to assist any way she can. She has been my CPA for that 4 years and has been able to evolve through the changes in tax changes that have occurred in recent years. She is always a pleasure to work with.
Nancy King
Nancy King
Jul 27, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
The staff is professional and friendly. We get excellent advice year-round for personal taxes as well as our small corporation. Lauren Rosson also is able to consult with our financial planner, which has made a big difference in making some bigger financial decisions. We highly recommend Lauren Rosson, CPA!
Ben N. Levine
Ben N. Levine
Feb 03, 2017
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I know Lauren and she is someone who is experienced, knowledgeable, professional, courteous and caring. She provides a rather unique and valuable service for her small business clients and is always working in their best interest. Her rates are extremely reasonable and her services are exceptional and the highest quality. I know you will enjoy your time with Lauren and I highly recommend her.
Anthony C.
Anthony C.
Oct 19, 2016
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After working with many other CPAs I was lucky enough to meet Lauren! Lauren is extremely knowledgeable, available and responsive. She is the first CPA I've worked with that does quarterly projections for my business so there are no big surprises at the end of the year. She also has many innovative strategies for reducing taxes. Lauren takes the stress out tax season and allows me to focus on my running the business!
Alan C.
Alan C.
Oct 13, 2016
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I have been working with Lauren Rosson for a few years now. She is very professional and understands the needs of her clients. She is always very pleasant and easy to interact with and she is very easy to understand and dealing with her is amazing. I would recommend her to my friends and family, you can't ask for a better CPA.
Andrea Cardona
Andrea Cardona
Sep 20, 2013
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Lauren rosson is a very professional and efficient accountant I recommend highly highly . From your personal tax returns to your business needs. I hope you give her a call I assure you will be happy