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.



Is it a Job or a Hobby?

The life of a self-employed individual can be great, but it also has its ups and downs, and pros and cons. So what about taxes? Taxes for self-employed individuals can be tricky and there can be a lot of variables. Unlike being employed by a company, when you work ...

Read More

Tim Draper: Creating the Worlds Most Successful Venture Capital Firm

Capital Gains Tax Hike?

Many of the nation’s wealthiest individuals make a lot, if not the majority, of their wealth from investments and capital gains. Because capital gains are taxed at a much lower rate than income, many rich people are able to actually decrease their overall tax bill ...

Read More

Scott McNealy: Going Beyond Sun Microsystems

Legal Settlement and Taxes

Many people are involved in legal business matters every day. When it comes to these types of cases, money is almost always at stake. Whether one party is suing another party for breach of contract or one company claims another company cheated them ...

Read More

Joe Lacob: Making the Golden State Warriors a Championship Team

GROCO Blog

Tax Scam Bill Reaches More Than $20 Million

Do you know where your tax return is? Are you sure that next year’s tax return is safe? It’s clear that t...

Could You Lose Health Care if You Don’t File a Tax Return?

There’s been no shortage of confusion since the Affordable Healthcare Act became a law. Likewise, there h...

If You Win the Big Jackpot Expect the IRS to Coming Knocking

Many people from all over the country enjoy gambling. Whether it’s big time poker, playing the slots or b...

Clinton Offers Idea of New Tax Credit for Certain Businesses

While democrats and republicans will continue to fight it out over taxes and how to improve our economy, ...


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