Trusted advisors to the highly
successful since 1964

Welcome to GROCO

Greenstein, Rogoff, Olsen & Co. (GROCO), Trusted advisors to the highly successful since 1964

Offices in Fremont and Palo Alto, CA, accommodate clients throughout Silicon Valley and the world. Our CPAs specialize in tax planning and tax preparation for high net worth individuals, complex and international returns. Catering to Entrepreneurs, High Net Worth, Venture Capital Communities and Business Leaders.

Tropical Tax Haven

Are You Looking for a Tropical Tax Haven? The idea of moving overseas in an effort to escape the high price of taxes is not a new one for rich Americans. Many ultra-wealthy Americans have looked at all kinds of different options in hopes of lowering their tax bill...

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Tim Draper: Creating the Worlds Most Successful Venture Capital Firm

Net Investment Income Tax

Tax Planning Strategies for the 3.8% Net Investment Income Tax Anyone who has any kind of investment income has probably wondered how tax laws will affect that income. Investment income can vary and the tax laws differ as well...

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Scott McNealy: Going Beyond Sun Microsystems

Willfully or Not

“I didn’t know; it was an honest mistake.” “No one told me that I had to do that.” “But honestly, I didn’t understand what that meant.” Do these phrases sound familiar? Of course, they could be applied to many different situations in life and most of us have probably uttered...

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Joe Lacob: Making the Golden State Warriors a Championship Team

GROCO Blog

An Artistic Way to Pay Your Taxes

Many wealthy individuals enjoy collecting things, including artwork. While artwork can be a source of inc...

When Is the Best Time to Exercise Those Stock Options?

We hear about stock options all the time in the news. It seems like anytime a big company is involved in ...

Life Is Not Fair – Neither Is Every State Tax System

We all know that life isn’t fair, and that means that many specific aspects of life aren’t fair either. O...

How Long Do I Need to Keep My Tax Records?

April 15 is one of the most dreaded days of the year for many people, with the possible exception of acco...


Our Professional Services Include:

Tax Planning , Corporate, Partnership & Trust Tax Preparation, International Tax Services , ESOP Structure Alternatives, Non-Profit Organization Returns, Shareholder Tax Issues , Stock Option Planning, Payroll and Sales Tax Consulting, Federal and State tax Preparation, 1099 Tax filing, Foreign Account Reporting, Accounting Services, IRS Representation, Entity Selection, Tax Audits, Preparation of Financial Statements, Certified Audits, Reviews, and Compilations, Cash Flow Analysis & Projection, Trust Accounting, Bookkeeping Services, Strategic Management Consulting, Start-up Company Planning, Compensation & Benefit Plans, Mergers and Acquisitions, Entity Restructuring, Employee Ownership, Research and Development Studies, Business Valuations, Financial Consulting, Review of Contracts, Revenue Recognition Strategies, Technology Consulting