Expert Guidance.
Personalized Service.

We are leading experts in all things audit, assurance, tax, advisory and wealth management. Our services are aligned to support the unique needs of each client.

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We Start With Relationships

Finding financial peace of mind requires working with advisors you can count on for the very best guidance and support. For more than 40 years, we have envisioned a better way to deliver client services. Lasting relationships are built on trust and you need that now more than ever.

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Services That Support Your
Financial Challenges and Goals

Getting to know more about your financial needs informs our strategy to offer services that make the most impact. We thrive on finding creative and unique solutions that create the highest value for our clients.

Our Services

Industry Insights
Focused On Strategies

Our industry knowledge runs deep. So talk to us about what keeps you awake at night. Concerns like how to compete, expand, and plan for future ownership succession. Your hopes and dreams no matter how epic, we know these scenarios well.

Industries We Serve

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"On behalf of the various companies I am associated with throughout my 40 plus year relationship with Johanson & Yau, they have been known to be very professional and perform whatever tasks are required on a timely basis, including audited financial statements, tax planning and representation before tax authorities."

John S. Wong, President

Mission Peak Construction and Mission Peak Homes

"Johanson & Yau showed us that we didn't need a large national firm to perform our annual audits. They understand our business, are easy to work with and they complete their work on time and on budget. We recommend them to any size construction company."

Gary Filizetti, President and Bret Sisney, Chief Financial Officer

Devcon Construction, Inc.

"AMAX has utilized Johanson & Yau’s employee benefit plan audit services for a number of years and continues to be pleased with the scope and thoroughness of their expertise. We look forward to a continuing relationship as they offer the type of personal attention that our company demands."

Margaret Huang, Vice President of Finance

AMAX

News & Insights

NEW REPORTING REQUIREMENT FOR BUSINESS OWNERS

INFLATION CHECKLIST: ASSESS YOUR BUSINESS IN FIVE AREAS

NEW TAX LAW IMPROVES QUALIFIED CHARITABLE DISTRIBUTIONS BENEFITS

Get In Touch

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Experts in all things audit, assurance, tax, advisory and wealth management. World-class solutions with personalized client service.

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42 West Campbell Avenue
Third Floor
Campbell, California 95008

info@jyac.com

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Avantax affiliated advisors may only conduct business with residents of the states for which they are properly registered. Please note that not all of the investments and services mentioned are available in every state.

Securities offered through Avantax Investment Services℠, Member FINRA, SIPC, Investment advisory services offered through Avantax Advisory Services℠, Placing business through Avantax Insurance Agency℠ and Avantax Insurance Services℠. David R. Davis, CPA/PFS – CA Insurance #0E01220. Byron Ishiwata, CPA – CA Insurance #0E32247. Elier Peraza, CFP® – CA Insurance #0K42603. Sam Cannon, CFP® – CA Insurance #OM31534. Laura Lin, CPA – CA Insurance # 4187051

The Avantax family of companies exclusively provide investment products and services through its representatives. Although Avantax Wealth Management℠ does not provide tax or legal advice, or supervise tax, accounting or legal services, Avantax representatives may offer these services through their independent outside business. This information is not intended as tax or legal advice. Please consult legal or tax professionals for specific information regarding your individual situation.
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