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310 N. Westlake Boulevard, Suite 260
Westlake Village, CA  91362
(805) 496-0075 | Fax: (805) 496-0095

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Jay S. Brewer, CPA, Partner

Jay Brewer uses his more than three decades of experience with a large cross-section of industries to provide comprehensive tax and financial consulting services for businesses. He specializes in business growth and development, providing in-depth analysis, problem solving, and unparalleled service to meet individual client needs.

Early in his career, Mr. Brewer worked nearly five years with a local CPA firm followed by three years as an audit manager for an international accounting firm. With the experience and expertise gained, he began his own practice in 1986. During this time, he created and developed his unique approach to client services: actively listening, responding, and providing solutions to problems. In 1988, he formed a partnership with Mr. Rory Tominaga, which later grew with the acquisition of two local CPA firms, thereby broadening and diversifying the firm's services and industry experience.

Mr. Brewer is well versed in preparing financial statements, conducting certified audits, and handling mergers and acquisitions. In addition, he provides continuous income and estate tax planning for individuals and businesses. Mr. Brewer’s experience covers a broad range of industries including manufacturing, education, retail, professional service, entertainment, restaurant and many others.

Coupled with knowledge and technical expertise, Mr. Brewer’s special ability to directly involve himself with his client's goals provides companies and individuals with the information and tools necessary to enhance their growth and financial strength.

Mr. Brewer has expanded his professional skills with continuing education in his field, which he uses extensively to assist clients with the ever changing demands of the tax and business climate. His firm is a member of the Greater Conejo Valley Chamber of Commerce.

Rory Tominaga, CPA, Partner

Rory Tominaga combines his professional skills with personal attention to the individual client's needs. He specializes in tax planning for individuals and closely-held businesses, bringing in a range of products and services that maximize tax benefits. His experience in business planning, compliance work, financial audits, and the structuring of related entities has contributed to the growth and profitability of his current clients.

In 1988, following three years with a local CPA firm and another three years in the tax department of an international accounting firm, Mr. Tominaga entered into a partnership with Jay S. Brewer to form Brewer & Tominaga. In addition, he has successfully completed the acquisition of several local CPA practices to expand the firm’s breadth of services and experience.

Diversity and flexibility are Mr. Tominaga’s focus when consulting with clients. He works closely with his clients to determine the services needed and focuses on the building and retention of wealth, particularly, in the area of estates and trusts. Services for business clients include managing resources for growth and development, positioning for mergers and acquisitions, and compiling and analyzing company financial statements.

Mr. Tominaga's industry specialization encompasses estate and trust administration, real estate, construction, retail, entertainment, professional services, and brokerage services. Working with new businesses in preparation for commercial and SBA loan packages is another area of expertise.

Continuing education in his field is a priority for Mr. Tominaga to assist his clients in an ever-changing business and economic climate. His firm is a member of the Greater Conejo Valley Chamber of Commerce.

Ron Yamashiro, CPA, Partner

As an accomplished Certified Public Accountant with over 30 years of experience, Ron Yamashiro is focused on helping his clients stay financially healthy and prosperous. His clients benefit from his strong analytical skills, tax and financial expertise, and his personal, ongoing commitment to their financial success.

Mr. Yamashiro began his accounting career as a financial analyst, spending five years in the oil industry. In 1988, he joined Brewer & Tominaga and became a partner in the firm in 2001.

Today, he offers a wide range of services that include tax planning for individuals and closely-held businesses, income tax preparation, handling of mergers and acquisitions, supporting tax-related litigations, and managing corporate liquidations.

His background encompasses extensive work in a variety of industries, including estates and trusts, hospitality, real estate, entertainment, manufacturing, retail and legal and medical professional services.

Mr. Yamashiro has continued his education in his specialty fields to ensure his clients have the most current information upon which to make sound financial decisions, allowing them to grow and prosper.

He is an active participant in the Greater Conejo Valley Chamber of Commerce and the Rotary Club of Westlake Village Sunrise.

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