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.

Calling the IRS helpline?

“Service with a smile,” “we aim to serve you,” and “good service is good business” are just a few of the well-known quotes regarding customer service. Most businesses know that treating your customers right and serving their needs as best as you can ...

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Tim Draper: Creating the Worlds Most Successful Venture Capital Firm

Leaving the US? Think again

While not a lot of people ever entertain the thought of giving up their U.S. citizenship, there are more people every year that are making that choice. Among them are several wealthier people whose main reason for renouncing is to escape the country’s ...

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Scott McNealy: Going Beyond Sun Microsystems

Tax On Luxury Homes

Just about everyone has dreamed of living in a mansion at least once in his or her life. Mansions are magnificent to behold and many of these homes have luxuries that most people can only admire from afar. On the other hand, it’s quite common for ...

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Joe Lacob: Making the Golden State Warriors a Championship Team


IRS Finally Says Sorry for Seizing Small Businesses Bank Accounts

Small businesses face a tough battle in general, but when they have the IRS breathing down their necks it...

Need Help With Your Bookkeeping?

An important part of any business is the company’s bookkeeping efforts. The type of bookkeeping system yo...

It’s Time for a Tax Scam Refresher Course

Despite repeated warnings from the media and the IRS alike, thousands of people are conned out of money e...

Lawmakers Vote To Make Three Tax Provisions for Businesses Permanent

Late last year lawmakers in Washington extended a bill that made three important tax provisions for busin...

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