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.

2015 Tax Changes

Although still not in full swing, the 2014 tax season is here now that we’ve hit 2015. While most people probably haven’t even started to think about their return for 2014, for some people it’s already time to start thinking about the 2015 tax year ... Read More

Tim Draper: Creating the Worlds Most Successful Venture Capital Firm

Tax Hikes for the Wealthy

The divide between Republicans and Democrats on Capitol Hill appears to be spreading even wider after President Obama used his State of the Union Address to take dead aim at high net worth individuals. The president wants to raise some $320 billion over a ...

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Scott McNealy: Going Beyond Sun Microsystems

Calling the IRS?

Where do you turn if you need an answer about taxes? Many people seek help online, while many more seek the advice of a good tax preparation firm. Of course, we recommend that option. However, some people think that the best place to turn when it comes ...

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Joe Lacob: Making the Golden State Warriors a Championship Team

GROCO Blog

What Steps Lead to an Effective Estate Plan?

Do you have an estate plan? A lot of people don’t, for a lot of different reasons. Some people would rath...

How to Avoid Tax Preparation Scams

With so much to do and so many other important things to worry about, many people will be looking for hel...

Are You Looking To Invest for Growth?

What kind of investor are you? There are many types of investment strategies and each person will follow ...

Will Your Tax Refund Be Delayed?

It’s only January, but because the calendar has turned to 2015, that means the tax season is officially h...


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