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.



2016 Tax Rates

It's time to take a look at the latest tax brackets and standard deductions amounts for the upcoming 2016 tax year. To be clear, these apply to the tax return you will file in 2017, not the return you will file in 2016...

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Building the Warriors

Joe Lacob - "Building a business is not a one-step process. It takes a long time to build a successful business and there can be many bumps in the road along the way. Sometimes it can take years to get where you want to be."..

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Wealthy Tax Strategies

One of the top moves the wealthy make is to deduct their business expenses, which lowers their income, and in turn, their taxes. As long as you’re actually running a business and not just participating in a hobby...

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GROCO Blog

Will Your Tax Return Draw the IRS’s Attention?

No one wants to experience a tax audit. The good news is that most people never will have to go through t...

Is The U.S. Really a Low-Tax Country?

Many U.S. taxpayers feel that our country’s taxes are too high, no matter which economic class you’re in....

Can a Roth Really Help You Lower Your Taxes?

Patience is a virtue, but will it save you money on taxes? That depends on the situation, but if you’re t...

What Are the Wealthy Really Worried About?

At GROCO we work very closely with some of the most highly successful people in the world and because of ...


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