Home / Directory / United States / California / GROCO Family Office Advisors
GROCO Family Office Advisors
Multifamily office listing in Fremont, California, United States.
- Headquarters
- Fremont, CA
GROCO Family Office Advisors reports that it operates independently and takes a planning-led approach to family-office and tax advisory work for entrepreneurs, influential families, and multigenerational family offices.1
Overview
GROCO coordinates tax strategy, cash flow, governance, estate design, philanthropy, and specialist relationships around each family’s priorities. The firm reports that it does not sell investment products.1
History
GROCO traces its origins to Morey Greenstein’s accounting firm, established in 1964 to serve emerging Silicon Valley business leaders. Barry Rogoff joined in 1969, and the firm became The Greenstein Rogoff Company.2
Alan Olsen joined in 1990, became managing partner in 2003, and the firm adopted the name Greenstein Rogoff Olsen & Co., LLP. GROCO added comprehensive family-office advisory services in 2010.2
Timeline
- 1964GROCO traces its origins to Morey Greenstein’s accounting firm, established in 1964 to serve emerging Silicon Valley business leaders.
- 1969Barry Rogoff joined in 1969, and the firm became The Greenstein Rogoff Company.
- 1990Alan Olsen joined in 1990, became managing partner in 2003, and the firm adopted the name Greenstein Rogoff Olsen & Co., LLP.
- 2010GROCO added comprehensive family-office advisory services in 2010.
Leadership
Alan Olsen, CPA, MBA (Tax), is managing partner and leads the firm’s family-office tax and advisory work.2
Steve Singer, CPA, MS, is a partner specializing in venture and corporate finance, mergers and acquisitions, family education, and strategic and charitable planning.2
Hal Friedman, JD, is a partner whose practice covers taxation for closely held businesses, individuals, expatriates, nonresident aliens, and professional practices. Ron Cohen, CPA, MST, is a partner with extensive international-tax experience.2
Services
GROCO’s family-office services include tax planning, risk management, estate and generational planning, philanthropic planning, bill pay, cash management, trust and foundation support, consolidated reporting, family governance, and foreign-asset reporting.3
The firm also provides lifestyle and financial management, payroll and HR coordination, investment tracking, IT services, tax preparation, and owner-level financial decision support.1
What the firm offers
- Tax planning
- Philanthropy
- Family governance and education
- Administration and bill pay
- Risk and insurance
Client Focus
GROCO serves influential families, venture capitalists, entrepreneurs, high-net-worth individuals, and multigenerational family offices.2
The firm identifies past and current client relationships connected with companies including Sun Microsystems, Intel, Oracle, Apple, Google, Meta, eBay, Yahoo, Intuit, and Compaq.2
Approach
GROCO describes its work as coordinating tax strategy, cash flow, governance, estate design, philanthropy, and specialist relationships around each family’s priorities. The firm reports that it operates independently, takes a planning-led approach, and does not sell investment products.1
FAQs
When did GROCO begin offering family-office services?
GROCO added comprehensive family-office advisory services in 2010.2
What types of family-office support does GROCO provide?
Its services span tax planning, risk management, estate and generational planning, philanthropy, bill pay, cash management, trust and foundation support, consolidated reporting, governance, foreign-asset reporting, lifestyle and financial management, payroll and HR coordination, investment tracking, IT services, tax preparation, and owner-level financial decision support.13
Who leads GROCO’s family-office advisory work?
Alan Olsen, CPA, MBA (Tax), is managing partner and leads the firm’s family-office tax and advisory work.2
Related resources
- LocationMultifamily offices in California
This page helps California based entrepreneurs and families compare multifamily office options by service focus and location. It gives context for evaluating needs such as tax planning, philanthropy, family governance, administration, and insurance when considering an independent, planning led advisor.
- Network siteEstatePlanner.com
Estate planning guides on EstatePlanner.com explain wills, trusts, beneficiary choices, and related decisions. A family considering tax planning or multigenerational governance can use these materials to prepare questions about transferring assets, documenting intentions, and coordinating estate work with broader family office administration.
- Network siteFamilyBusinesses.com
FamilyBusinesses.com offers a directory and practical playbooks for family owned companies. Business owners can use it to explore governance, succession, education, and operating questions that may connect with family office support for entrepreneurs and multigenerational families.
- GuideData privacy and security with an MFO
This MultifamilyOffices.com resource outlines privacy and security questions families can raise before sharing financial, tax, insurance, or household information. It can help readers assess how an office handles access, records, bill pay, and communication across family members and outside advisors.
- Similar firmsAndina Capital Management, LLC
Arrowroot Family Office
Catalyst Family OfficeProfiles of Andina Capital Management, LLC, Arrowroot Family Office, and Catalyst Family Office provide comparison points within the site's broader directory. Readers can review how other firms describe services, client types, and planning approaches before deciding which questions to ask a prospective family office advisor.
Sources
This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.
Ask Richard
Have a question about multifamily offices, fees or how to compare firms? Richard C. Wilson has run Family Office Club since 2007 and answers reader questions directly.
Send a question Text or WhatsApp (808) 600-9260